diff --git a/docs/index.md b/docs/index.md
index 64a13761..47b50fd6 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -31,7 +31,7 @@ In order to run a local demo service based on the IEKit:
 2. Fetch the IEKit.
 
     ```bash
-    autonomy fetch valory/impact_evaluator:0.1.0:bafybeiam5f3hi2htrsysgkr5crcgh6kx7ctti537lgm5t7x4rkad34vs5y --service
+    autonomy fetch valory/impact_evaluator:0.1.0:bafybeic3gbi7x23amjrzft7dzfcxpatixrz34uyfng43sph7ghqnkuea6a --service
     ```
 
 3. Build the Docker image of the service agents
diff --git a/packages/packages.json b/packages/packages.json
index 88d4f6f3..24504273 100644
--- a/packages/packages.json
+++ b/packages/packages.json
@@ -13,26 +13,26 @@
         "contract/valory/staking/0.1.0": "bafybeicu3qserl7c4bll4ni4l3letibyn3kjsxwe2b3qbywwy2sjovtglu",
         "contract/valory/agent_registry/0.1.0": "bafybeibboljpn2zevzxnpgflxj6ykxk4bpxegtzjts25ajliaoadz35mca",
         "connection/valory/twitter/0.1.0": "bafybeiankzrpgovfe34wbxxwzmrg6lbdpe2uegcu4ujtswuopr3b7fsqdq",
-        "connection/valory/openai/0.1.0": "bafybeifz2n6s6u3zvvryhhxpkvn6guyp2jwpagtyjducvgwoldtmz7ea64",
+        "connection/valory/openai/0.1.0": "bafybeibsevvadjkf4fdfbw23ett6e5l4whsxbiwzezdgbmlsin2jidbhcu",
         "connection/valory/farcaster/0.1.0": "bafybeibbdas7lxbipksodaphjms3uop7vnzjqkroktjq2g6wbvgtlldaxi",
-        "skill/valory/dynamic_nft_abci/0.1.0": "bafybeihsajj2hkroe62hv67uwhcweppcazvjuf4inq4hqupslfrqpsjdhi",
-        "skill/valory/twitter_scoring_abci/0.1.0": "bafybeicyt4ingnodhsalju324fjfqiptebxfbm3h2deomc5wtw2sjr7j4e",
-        "skill/valory/ceramic_read_abci/0.1.0": "bafybeifqj2sjh5wxuwpbtzyrslr3zrbzxmfkhgjgvmsz33iso4x7avrbgq",
-        "skill/valory/ceramic_write_abci/0.1.0": "bafybeif32xc5lz66wys33iod6r5zidm5mx7qvdtmtbyli46clzp4j3hcwe",
-        "skill/valory/impact_evaluator_abci/0.1.0": "bafybeid6cqi7k3tresimpzooiyqnv6nthvh7fhowkgvivhrenhmdr6utzu",
-        "skill/valory/generic_scoring_abci/0.1.0": "bafybeib6owrcz73cna3eno5jsjktwadqzrcpjc3brzr4icl3ira2s55xjy",
-        "skill/valory/twitter_write_abci/0.1.0": "bafybeifcvl3sziqb57mgdv5awn3msjixpg3oukitiktunn5724b4fntzvm",
-        "skill/valory/llm_abci/0.1.0": "bafybeicrsx2kf2kas3kkqhnfukgmvkvcbi3lnmjr2myqebgus6kalnuwoy",
-        "skill/valory/decision_making_abci/0.1.0": "bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue",
-        "skill/valory/olas_week_abci/0.1.0": "bafybeifdlg7cxi4a45srd2xowaoajzf2rnzizq43dbtgklfe44nl5okse4",
-        "skill/valory/mech_interact_abci/0.1.0": "bafybeib5kbctorezyl6wn6udy2c322isrrqnxyzgq55dysnilqan4gqjqe",
-        "skill/valory/farcaster_write_abci/0.1.0": "bafybeihkl6id4eehbcrblvk5st7crkknspdixvdl2avgrzvoqjktrrzoqu",
-        "skill/valory/farcaster_test_abci/0.1.0": "bafybeiesp3dwo747nfdtmyf4x6cr3zz3vo5y6owa4fqbnzu3c2hojw3ilu",
-        "skill/valory/staking_abci/0.1.0": "bafybeid3p7feiosrihulebnyfquptyskiwxs5eojfw2ekda6etl3xxollu",
-        "agent/valory/impact_evaluator/0.1.0": "bafybeiefsv6o3mlemqt45sm4a4z333x3oqxutbvavxqgc7ssp2oz7fblxu",
-        "agent/valory/farcaster_test/0.1.0": "bafybeidhltmtwsae3me2xiukbg6gszrqjzlpgjbrrcjoh5inxznk7lcbo4",
-        "service/valory/impact_evaluator/0.1.0": "bafybeigh645ckuz6i3c4qrhgj2nhz2qv2c3utuemlsvfzxdxoal4p4obiq",
-        "service/valory/impact_evaluator_local/0.1.0": "bafybeiel625fgeusyk5xyd3b6jzbkgpojhtlasku5uzbvkoyoyq6t7fl3e"
+        "skill/valory/dynamic_nft_abci/0.1.0": "bafybeiee4rxt3kcdy4xo36micyrlxgil5dufmcnjrnlmcjvoibwjhqh73a",
+        "skill/valory/twitter_scoring_abci/0.1.0": "bafybeidmuebntwyf653f3k6nfrrtaeh3rlnyulp7gutgs4mmbo5qadr26e",
+        "skill/valory/ceramic_read_abci/0.1.0": "bafybeibph35jhtvn6kgytj6mqdz4lpjkvtfqd75qorrt4onv6i2trxfttu",
+        "skill/valory/ceramic_write_abci/0.1.0": "bafybeihez2zrvvt6cyi5vu3fpomjlbo3v4fzyf4buv7ysxzj4dntr2wy3q",
+        "skill/valory/impact_evaluator_abci/0.1.0": "bafybeih7lx4stgkxe2gmvczajik4sxgutmcgspciljqtksathiowgxrsci",
+        "skill/valory/generic_scoring_abci/0.1.0": "bafybeie7v55simzep52usq6xe7x3basl7gpgkj6s6ye5fjxxwncov2g4pi",
+        "skill/valory/twitter_write_abci/0.1.0": "bafybeic6oekzksyehrsfs7bu57qccz33qagz7mfdxtyor5opetpnhjaiui",
+        "skill/valory/llm_abci/0.1.0": "bafybeiclq7xtvwy7cgqdpktv3emr67spc7ndjqnsso5getcf3yclh2rksq",
+        "skill/valory/decision_making_abci/0.1.0": "bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi",
+        "skill/valory/olas_week_abci/0.1.0": "bafybeiecbiznyj7ameijrpajwxcfmwt45edzjkfkrfnnhcwfb4fkdxbsuy",
+        "skill/valory/mech_interact_abci/0.1.0": "bafybeib4vn6m2yumwoclh5aatcdt5yxcjc5owxmxy5o7t3nfzormgwkr64",
+        "skill/valory/farcaster_write_abci/0.1.0": "bafybeibbbfui3g2s63cg5vsvxqpzzdg2uxhd7a4ikwfo6dy7b2klqthvu4",
+        "skill/valory/farcaster_test_abci/0.1.0": "bafybeiblauv376hvy7dzi232fxf6iq5nxxnhvk2gy6g7kcsj7a4r2bilqa",
+        "skill/valory/staking_abci/0.1.0": "bafybeiapp5q6x4mzmqa5l6t6nvnvo6ktoglnhaorncpipv3uxl5reqlwkm",
+        "agent/valory/impact_evaluator/0.1.0": "bafybeidbekskkfimucx6ehukc3gcwmgx6dtzquvzyk6uz2r2trosfsphz4",
+        "agent/valory/farcaster_test/0.1.0": "bafybeig6yilme5s7fvru2b44dtr5xxqz3gf7p56swr7c5hip775l5wally",
+        "service/valory/impact_evaluator/0.1.0": "bafybeic3gbi7x23amjrzft7dzfcxpatixrz34uyfng43sph7ghqnkuea6a",
+        "service/valory/impact_evaluator_local/0.1.0": "bafybeibevkaxd6lg3cxi3ch4fvsgum34nyhepvk7dzmeqi3kstiylyifgu"
     },
     "third_party": {
         "protocol/open_aea/signing/1.0.0": "bafybeihv62fim3wl2bayavfcg3u5e5cxu3b7brtu4cn5xoxd6lqwachasi",
diff --git a/packages/valory/agents/farcaster_test/aea-config.yaml b/packages/valory/agents/farcaster_test/aea-config.yaml
index 891f9ca7..26efd748 100644
--- a/packages/valory/agents/farcaster_test/aea-config.yaml
+++ b/packages/valory/agents/farcaster_test/aea-config.yaml
@@ -32,10 +32,10 @@ protocols:
 skills:
 - valory/abstract_abci:0.1.0:bafybeif2naoydlrqkdpnig34uejedwgurjwyvmbpcz53tif7pyukfdophq
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/farcaster_test_abci:0.1.0:bafybeiesp3dwo747nfdtmyf4x6cr3zz3vo5y6owa4fqbnzu3c2hojw3ilu
+- valory/farcaster_test_abci:0.1.0:bafybeiblauv376hvy7dzi232fxf6iq5nxxnhvk2gy6g7kcsj7a4r2bilqa
 - valory/registration_abci:0.1.0:bafybeiagi6e2h7kochmlemy5c5yk6hwn37tfxiqvk2en74jhowsdwlmrny
 - valory/reset_pause_abci:0.1.0:bafybeiezfedmmseox3ce5aucxsiszdmvskrwwbtpb2a3vw3sbmc5jt7nri
-- valory/farcaster_write_abci:0.1.0:bafybeihkl6id4eehbcrblvk5st7crkknspdixvdl2avgrzvoqjktrrzoqu
+- valory/farcaster_write_abci:0.1.0:bafybeibbbfui3g2s63cg5vsvxqpzzdg2uxhd7a4ikwfo6dy7b2klqthvu4
 default_ledger: ethereum
 required_ledgers:
 - ethereum
diff --git a/packages/valory/agents/impact_evaluator/aea-config.yaml b/packages/valory/agents/impact_evaluator/aea-config.yaml
index 5b0194cd..3119a5e2 100644
--- a/packages/valory/agents/impact_evaluator/aea-config.yaml
+++ b/packages/valory/agents/impact_evaluator/aea-config.yaml
@@ -20,7 +20,7 @@ connections:
 - valory/http_client:0.23.0:bafybeihi772xgzpqeipp3fhmvpct4y6e6tpjp4sogwqrnf3wqspgeilg4u
 - valory/ledger:0.19.0:bafybeigntoericenpzvwejqfuc3kqzo2pscs76qoygg5dbj6f4zxusru5e
 - valory/p2p_libp2p_client:0.1.0:bafybeid3xg5k2ol5adflqloy75ibgljmol6xsvzvezebsg7oudxeeolz7e
-- valory/openai:0.1.0:bafybeifz2n6s6u3zvvryhhxpkvn6guyp2jwpagtyjducvgwoldtmz7ea64
+- valory/openai:0.1.0:bafybeibsevvadjkf4fdfbw23ett6e5l4whsxbiwzezdgbmlsin2jidbhcu
 - valory/twitter:0.1.0:bafybeiankzrpgovfe34wbxxwzmrg6lbdpe2uegcu4ujtswuopr3b7fsqdq
 contracts:
 - valory/dynamic_contribution:0.1.0:bafybeidttwr3ybnipkh5bt6gtuza36g2qvj2eevluzhala55sotgd4vxtu
@@ -46,22 +46,22 @@ protocols:
 skills:
 - valory/abstract_abci:0.1.0:bafybeif2naoydlrqkdpnig34uejedwgurjwyvmbpcz53tif7pyukfdophq
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/impact_evaluator_abci:0.1.0:bafybeid6cqi7k3tresimpzooiyqnv6nthvh7fhowkgvivhrenhmdr6utzu
-- valory/generic_scoring_abci:0.1.0:bafybeib6owrcz73cna3eno5jsjktwadqzrcpjc3brzr4icl3ira2s55xjy
-- valory/twitter_scoring_abci:0.1.0:bafybeicyt4ingnodhsalju324fjfqiptebxfbm3h2deomc5wtw2sjr7j4e
-- valory/ceramic_read_abci:0.1.0:bafybeifqj2sjh5wxuwpbtzyrslr3zrbzxmfkhgjgvmsz33iso4x7avrbgq
-- valory/ceramic_write_abci:0.1.0:bafybeif32xc5lz66wys33iod6r5zidm5mx7qvdtmtbyli46clzp4j3hcwe
-- valory/dynamic_nft_abci:0.1.0:bafybeihsajj2hkroe62hv67uwhcweppcazvjuf4inq4hqupslfrqpsjdhi
+- valory/impact_evaluator_abci:0.1.0:bafybeih7lx4stgkxe2gmvczajik4sxgutmcgspciljqtksathiowgxrsci
+- valory/generic_scoring_abci:0.1.0:bafybeie7v55simzep52usq6xe7x3basl7gpgkj6s6ye5fjxxwncov2g4pi
+- valory/twitter_scoring_abci:0.1.0:bafybeidmuebntwyf653f3k6nfrrtaeh3rlnyulp7gutgs4mmbo5qadr26e
+- valory/ceramic_read_abci:0.1.0:bafybeibph35jhtvn6kgytj6mqdz4lpjkvtfqd75qorrt4onv6i2trxfttu
+- valory/ceramic_write_abci:0.1.0:bafybeihez2zrvvt6cyi5vu3fpomjlbo3v4fzyf4buv7ysxzj4dntr2wy3q
+- valory/dynamic_nft_abci:0.1.0:bafybeiee4rxt3kcdy4xo36micyrlxgil5dufmcnjrnlmcjvoibwjhqh73a
 - valory/registration_abci:0.1.0:bafybeiagi6e2h7kochmlemy5c5yk6hwn37tfxiqvk2en74jhowsdwlmrny
 - valory/reset_pause_abci:0.1.0:bafybeiezfedmmseox3ce5aucxsiszdmvskrwwbtpb2a3vw3sbmc5jt7nri
 - valory/termination_abci:0.1.0:bafybeiea67epwwgngp7b3wavs6hpkaxv6etyaps6g6325bchfnf354mibq
 - valory/transaction_settlement_abci:0.1.0:bafybeifmgmwdkx4esemxjacjwzqkqymkuklb5nehkwqkx7v335fllgswcq
-- valory/twitter_write_abci:0.1.0:bafybeifcvl3sziqb57mgdv5awn3msjixpg3oukitiktunn5724b4fntzvm
-- valory/decision_making_abci:0.1.0:bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue
-- valory/llm_abci:0.1.0:bafybeicrsx2kf2kas3kkqhnfukgmvkvcbi3lnmjr2myqebgus6kalnuwoy
-- valory/olas_week_abci:0.1.0:bafybeifdlg7cxi4a45srd2xowaoajzf2rnzizq43dbtgklfe44nl5okse4
-- valory/mech_interact_abci:0.1.0:bafybeib5kbctorezyl6wn6udy2c322isrrqnxyzgq55dysnilqan4gqjqe
-- valory/staking_abci:0.1.0:bafybeid3p7feiosrihulebnyfquptyskiwxs5eojfw2ekda6etl3xxollu
+- valory/twitter_write_abci:0.1.0:bafybeic6oekzksyehrsfs7bu57qccz33qagz7mfdxtyor5opetpnhjaiui
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
+- valory/llm_abci:0.1.0:bafybeiclq7xtvwy7cgqdpktv3emr67spc7ndjqnsso5getcf3yclh2rksq
+- valory/olas_week_abci:0.1.0:bafybeiecbiznyj7ameijrpajwxcfmwt45edzjkfkrfnnhcwfb4fkdxbsuy
+- valory/mech_interact_abci:0.1.0:bafybeib4vn6m2yumwoclh5aatcdt5yxcjc5owxmxy5o7t3nfzormgwkr64
+- valory/staking_abci:0.1.0:bafybeiapp5q6x4mzmqa5l6t6nvnvo6ktoglnhaorncpipv3uxl5reqlwkm
 default_ledger: ethereum
 required_ledgers:
 - ethereum
diff --git a/packages/valory/services/impact_evaluator/service.yaml b/packages/valory/services/impact_evaluator/service.yaml
index a7efa617..e332ac88 100644
--- a/packages/valory/services/impact_evaluator/service.yaml
+++ b/packages/valory/services/impact_evaluator/service.yaml
@@ -8,7 +8,7 @@ license: Apache-2.0
 fingerprint:
   README.md: bafybeign56hilwuoa6bgos3uqabss4gew4vadkik7vhj3ucpqw6nxtqtpe
 fingerprint_ignore_patterns: []
-agent: valory/impact_evaluator:0.1.0:bafybeidnh7lxvkctfnwgez3nneqp6sf5hexhsclnnc5ifkvegjied4kkci
+agent: valory/impact_evaluator:0.1.0:bafybeidbekskkfimucx6ehukc3gcwmgx6dtzquvzyk6uz2r2trosfsphz4
 number_of_agents: 4
 deployment:
   agent:
diff --git a/packages/valory/services/impact_evaluator_local/service.yaml b/packages/valory/services/impact_evaluator_local/service.yaml
index ee5311bb..61068a3f 100644
--- a/packages/valory/services/impact_evaluator_local/service.yaml
+++ b/packages/valory/services/impact_evaluator_local/service.yaml
@@ -8,7 +8,7 @@ license: Apache-2.0
 fingerprint:
   README.md: bafybeign56hilwuoa6bgos3uqabss4gew4vadkik7vhj3ucpqw6nxtqtpe
 fingerprint_ignore_patterns: []
-agent: valory/impact_evaluator:0.1.0:bafybeidnh7lxvkctfnwgez3nneqp6sf5hexhsclnnc5ifkvegjied4kkci
+agent: valory/impact_evaluator:0.1.0:bafybeidbekskkfimucx6ehukc3gcwmgx6dtzquvzyk6uz2r2trosfsphz4
 number_of_agents: 1
 deployment:
   agent:
diff --git a/packages/valory/skills/ceramic_read_abci/rounds.py b/packages/valory/skills/ceramic_read_abci/rounds.py
index 42a04a94..1affcf3c 100644
--- a/packages/valory/skills/ceramic_read_abci/rounds.py
+++ b/packages/valory/skills/ceramic_read_abci/rounds.py
@@ -73,6 +73,7 @@ class StreamReadRound(CollectSameUntilThresholdRound):
 
     payload_class = StreamReadPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     ERROR_PAYLOAD = "ERROR_PAYLOAD"
 
diff --git a/packages/valory/skills/ceramic_read_abci/skill.yaml b/packages/valory/skills/ceramic_read_abci/skill.yaml
index ee76a82d..6ab37ba7 100644
--- a/packages/valory/skills/ceramic_read_abci/skill.yaml
+++ b/packages/valory/skills/ceramic_read_abci/skill.yaml
@@ -15,7 +15,7 @@ fingerprint:
   handlers.py: bafybeiemyqiqwj4igqlsvujggkclknh4icgkhwdjf7bszjzbvtv33f23yq
   models.py: bafybeiazxtnowifkgcp5jnsucqbeby5vnwplqkd5fxcp3j6vhf2kij62ce
   payloads.py: bafybeigxhmr2m7ej7caedeqbheabq2tmnhxosyfvgpjfofgke4zkiyj3tm
-  rounds.py: bafybeidwtn7hnsccnz54c3ct25gvx3vc2bgmtus2cp4d3rvwnufgufgu7y
+  rounds.py: bafybeiaw4xfhkkogt4votpybedcvm5les3omlvqzoywmbtrwxcutdgkbn4
   tests/__init__.py: bafybeibkxeuyukyuzek3lk5bqmo7jhl354fyznmqxv3dh4lsnly56xjkzu
   tests/test_behaviours.py: bafybeidzrzreetu77uzfeycql6k5knj5uw7vak3o3v6otqid4g5qaq5cwm
   tests/test_dialogues.py: bafybeias37opzowuenzii2dzwgwyaz57t3o4ocec67a274ghokptkdqaq4
diff --git a/packages/valory/skills/ceramic_write_abci/rounds.py b/packages/valory/skills/ceramic_write_abci/rounds.py
index e61367be..5619a959 100644
--- a/packages/valory/skills/ceramic_write_abci/rounds.py
+++ b/packages/valory/skills/ceramic_write_abci/rounds.py
@@ -112,6 +112,7 @@ class RandomnessRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.most_voted_randomness_round),
         get_name(SynchronizedData.most_voted_randomness),
     )
+    required_class_attributes = ()
 
 
 class SelectKeeperRound(CollectSameUntilThresholdRound):
@@ -123,6 +124,7 @@ class SelectKeeperRound(CollectSameUntilThresholdRound):
     no_majority_event = Event.NO_MAJORITY
     collection_key = get_name(SynchronizedData.participant_to_selection)
     selection_key = get_name(SynchronizedData.most_voted_keeper_address)
+    required_class_attributes = ()
 
 
 class StreamWriteRound(OnlyKeeperSendsRound):
@@ -132,6 +134,7 @@ class StreamWriteRound(OnlyKeeperSendsRound):
 
     payload_class = StreamWritePayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(
         self,
@@ -182,6 +185,7 @@ class VerificationRound(CollectSameUntilThresholdRound):
 
     payload_class = VerificationPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     ERROR_PAYLOAD = "error"
     SUCCCESS_PAYLOAD = "success"
diff --git a/packages/valory/skills/ceramic_write_abci/skill.yaml b/packages/valory/skills/ceramic_write_abci/skill.yaml
index c7ab0421..568d6ea4 100644
--- a/packages/valory/skills/ceramic_write_abci/skill.yaml
+++ b/packages/valory/skills/ceramic_write_abci/skill.yaml
@@ -15,7 +15,7 @@ fingerprint:
   handlers.py: bafybeib3aiosxhbyudcxtybdrvsmn6bvnl4ao3fwf2uc7lkidpnhvnucam
   models.py: bafybeibknj5hftb7y4djrurgo64uueffrphj4ladd64qjzbhtir2wagkia
   payloads.py: bafybeig63ibt5qa5sa4nw37gly3lvf4wwtps7vgr2zbvpp5zz6hzm66edq
-  rounds.py: bafybeiabbwuqkruaxdqvfzz4ae4y4p2me2tvwhtgdvtdhujb4ajqtrtwne
+  rounds.py: bafybeibs7qqfevgtezskhq6d53xxy2nzbpty5szf7dt6lgt5r56ha24sqe
   tests/__init__.py: bafybeigknrv5xw52pmcscrsxhtpibey5jbr26dss7o5eofery6ktd6w42e
   tests/test_behaviours.py: bafybeighuno7ajmmchlhb2qwgzjewhjhzee7ain2qxqxvcc2eoox2hxw2m
   tests/test_dialogues.py: bafybeibvhslg6mwhvmeffhoho5olnmr56ohvx63onv63aryhaidizk3jou
@@ -29,7 +29,7 @@ contracts: []
 protocols: []
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/ceramic_read_abci:0.1.0:bafybeifqj2sjh5wxuwpbtzyrslr3zrbzxmfkhgjgvmsz33iso4x7avrbgq
+- valory/ceramic_read_abci:0.1.0:bafybeibph35jhtvn6kgytj6mqdz4lpjkvtfqd75qorrt4onv6i2trxfttu
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/decision_making_abci/rounds.py b/packages/valory/skills/decision_making_abci/rounds.py
index 6bf021c9..81a1b7c1 100644
--- a/packages/valory/skills/decision_making_abci/rounds.py
+++ b/packages/valory/skills/decision_making_abci/rounds.py
@@ -158,6 +158,7 @@ class DecisionMakingRound(CollectSameUntilThresholdRound):
 
     payload_class = DecisionMakingPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
@@ -202,6 +203,7 @@ class PostTxDecisionMakingRound(CollectSameUntilThresholdRound):
 
     payload_class = PostTxDecisionPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
diff --git a/packages/valory/skills/decision_making_abci/skill.yaml b/packages/valory/skills/decision_making_abci/skill.yaml
index 4e5458af..0118d9c9 100644
--- a/packages/valory/skills/decision_making_abci/skill.yaml
+++ b/packages/valory/skills/decision_making_abci/skill.yaml
@@ -13,7 +13,7 @@ fingerprint:
   handlers.py: bafybeibo54pwzdc5o4zwsqqaveiebxsfqtk2px5nh662bb5mxydtc2oz5q
   models.py: bafybeiatvo5f3kt5euaeddnrhnkjoznarjnnscwn2vgr3hq3qdd5xtwcau
   payloads.py: bafybeic6jrms2xs2odykwwngr5yyqm6cus7cyihdbxux26glpq3573q3ay
-  rounds.py: bafybeiboeza3rdqwynloozpuugdcw7s63ukkxsupwspc4mfhrhr6mu3tey
+  rounds.py: bafybeigggtlatqsymrvlo522vvmbrq5nz3k7mtkxufj2ltrgbtuqhlyji4
   tasks/campaign_validation_preparation.py: bafybeiafgc7lzgtl6qwo3qsdpskipm4qeby6c5nmltm4x4yp3zcwn5a6z4
   tasks/finished_pipeline_preparation.py: bafybeid652b53p7mtsbj3ksko3g2eezvg4nut2vukwvnfhxyfi4zkx3dym
   tasks/llm_preparation.py: bafybeigivqniwvqzmhpqytrn5gz3gb5caa6nlvctkbycbk4cmtut6hvuvi
@@ -57,8 +57,8 @@ protocols:
 - valory/contract_api:1.0.0:bafybeidgu7o5llh26xp3u3ebq3yluull5lupiyeu6iooi2xyymdrgnzq5i
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/ceramic_read_abci:0.1.0:bafybeifqj2sjh5wxuwpbtzyrslr3zrbzxmfkhgjgvmsz33iso4x7avrbgq
-- valory/staking_abci:0.1.0:bafybeid3p7feiosrihulebnyfquptyskiwxs5eojfw2ekda6etl3xxollu
+- valory/ceramic_read_abci:0.1.0:bafybeibph35jhtvn6kgytj6mqdz4lpjkvtfqd75qorrt4onv6i2trxfttu
+- valory/staking_abci:0.1.0:bafybeiapp5q6x4mzmqa5l6t6nvnvo6ktoglnhaorncpipv3uxl5reqlwkm
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/dynamic_nft_abci/rounds.py b/packages/valory/skills/dynamic_nft_abci/rounds.py
index eab26211..b2fd570d 100644
--- a/packages/valory/skills/dynamic_nft_abci/rounds.py
+++ b/packages/valory/skills/dynamic_nft_abci/rounds.py
@@ -82,6 +82,7 @@ class TokenTrackRound(CollectSameUntilThresholdRound):
 
     payload_class = TokenTrackPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     ERROR_PAYLOAD = {"error": True}
 
diff --git a/packages/valory/skills/dynamic_nft_abci/skill.yaml b/packages/valory/skills/dynamic_nft_abci/skill.yaml
index 18abd78f..5c3dbf37 100644
--- a/packages/valory/skills/dynamic_nft_abci/skill.yaml
+++ b/packages/valory/skills/dynamic_nft_abci/skill.yaml
@@ -13,7 +13,7 @@ fingerprint:
   handlers.py: bafybeicpbrshsdvbysuekfuzdfe6ek5peqldvvht4r53g4rv6yvarl35mm
   models.py: bafybeifcsahmyl53nw7wft5ykkq2rrsx6wocdhgofofnbr2zg64gtk6szy
   payloads.py: bafybeiggpj2qmh73nlr2rscisscxovf7bfrczlut7k33jujvutzgszjcwi
-  rounds.py: bafybeidmlfpt6x3clbb647egq7gjjjsvbubts2cc6mnon2lp54djsz7spm
+  rounds.py: bafybeibsv6r6q2ggwnu5eoc7g2u4xfvpnv65u3flekyhzrwxpyf43rgkwy
   tests/__init__.py: bafybeidxte5jeugotf25yogfbsoivyokeqffrvzo7lqgspm4kzrgbhvc3u
   tests/test_behaviours.py: bafybeig5lhgywijd3gcooujztrxy5ihfny5ddcxw2awqtoo245y2xcgtam
   tests/test_dialogues.py: bafybeigybvptoehtw2o2jbudvyxggo5yr4pyqic7m732sha4xtaaxnfdpe
@@ -31,7 +31,7 @@ protocols:
 - valory/http:1.0.0:bafybeifugzl63kfdmwrxwphrnrhj7bn6iruxieme3a4ntzejf6kmtuwmae
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/decision_making_abci:0.1.0:bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/farcaster_test_abci/composition.py b/packages/valory/skills/farcaster_test_abci/composition.py
index 5813e2f0..817bd4f0 100644
--- a/packages/valory/skills/farcaster_test_abci/composition.py
+++ b/packages/valory/skills/farcaster_test_abci/composition.py
@@ -45,3 +45,7 @@
     ),
     abci_app_transition_mapping,
 )
+
+# patch to avoid breaking changes introduced on open-autonomy v0.18.3
+for state in FarcasterTestSkillAbciApp.get_all_rounds():
+    state.required_class_attributes = ()
diff --git a/packages/valory/skills/farcaster_test_abci/skill.yaml b/packages/valory/skills/farcaster_test_abci/skill.yaml
index 510213dd..55b8bc5e 100644
--- a/packages/valory/skills/farcaster_test_abci/skill.yaml
+++ b/packages/valory/skills/farcaster_test_abci/skill.yaml
@@ -8,7 +8,7 @@ aea_version: '>=1.0.0, <2.0.0'
 fingerprint:
   __init__.py: bafybeihrdg7ppm4zxmrbfscm7t6ftonw667zivzl3c6kwdtvpcwmugqr3i
   behaviours.py: bafybeiencqonbknwiptgpw6ab7hj4ba5if5ztolghcsqkymf3hmubjozxe
-  composition.py: bafybeihmrcstlclie5lk36wgquwti5gg2lv73sn7yhfzfzmw67pavbzbve
+  composition.py: bafybeihfifpt6r2zy7nxje5hurhz6kwxrkxx4gw6bspjumrzvbmegj5jw4
   dialogues.py: bafybeibhbdeicko6fq5pbzl5xm2bjbo4iwdkyyhwpepjnwbxyqbx6tx6hu
   fsm_specification.yaml: bafybeicj4ajbfschtxknkh6nbg4rjpejqykpo5twbyfd2iidmop5bvmad4
   handlers.py: bafybeigquxsw3z2v36ts4xmmxnuxyd3z2aaymccbp7ghtzhewhbfesw54y
@@ -21,7 +21,7 @@ skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
 - valory/registration_abci:0.1.0:bafybeiagi6e2h7kochmlemy5c5yk6hwn37tfxiqvk2en74jhowsdwlmrny
 - valory/reset_pause_abci:0.1.0:bafybeiezfedmmseox3ce5aucxsiszdmvskrwwbtpb2a3vw3sbmc5jt7nri
-- valory/farcaster_write_abci:0.1.0:bafybeihkl6id4eehbcrblvk5st7crkknspdixvdl2avgrzvoqjktrrzoqu
+- valory/farcaster_write_abci:0.1.0:bafybeibbbfui3g2s63cg5vsvxqpzzdg2uxhd7a4ikwfo6dy7b2klqthvu4
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/farcaster_write_abci/rounds.py b/packages/valory/skills/farcaster_write_abci/rounds.py
index 57d33d51..b24632c7 100644
--- a/packages/valory/skills/farcaster_write_abci/rounds.py
+++ b/packages/valory/skills/farcaster_write_abci/rounds.py
@@ -104,6 +104,7 @@ class FarcasterWriteRound(OnlyKeeperSendsRound):
 
     payload_class = FarcasterWritePayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(
         self,
diff --git a/packages/valory/skills/farcaster_write_abci/skill.yaml b/packages/valory/skills/farcaster_write_abci/skill.yaml
index 7989a929..16fd446e 100644
--- a/packages/valory/skills/farcaster_write_abci/skill.yaml
+++ b/packages/valory/skills/farcaster_write_abci/skill.yaml
@@ -13,7 +13,7 @@ fingerprint:
   handlers.py: bafybeidqnyie74bkgmo3lgyd4thoqy3ajr3lcxetr6mx4bsjfhwqjvgkj4
   models.py: bafybeifxiefogl6p3zgrknjurp3r3aqkif6m2elojlz76v2ef4a5ukobky
   payloads.py: bafybeiazdhdcfixxjdnuo622tocwazwzxi7aubl5bl3jpu7pg257ogjyze
-  rounds.py: bafybeidocsx2qn4vvffyciblxzmnvt5btooybrs7jqihxwjzycuzj7ds3y
+  rounds.py: bafybeie4us7l6lgmhg2mpgzwbsfjewmzeexzl5koasbgz3dpek3hydatf4
 fingerprint_ignore_patterns: []
 connections:
 - valory/farcaster:0.1.0:bafybeibbdas7lxbipksodaphjms3uop7vnzjqkroktjq2g6wbvgtlldaxi
diff --git a/packages/valory/skills/generic_scoring_abci/rounds.py b/packages/valory/skills/generic_scoring_abci/rounds.py
index 174055e9..b68fc11b 100644
--- a/packages/valory/skills/generic_scoring_abci/rounds.py
+++ b/packages/valory/skills/generic_scoring_abci/rounds.py
@@ -67,6 +67,7 @@ class GenericScoringRound(CollectSameUntilThresholdRound):
 
     payload_class = GenericScoringPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
diff --git a/packages/valory/skills/generic_scoring_abci/skill.yaml b/packages/valory/skills/generic_scoring_abci/skill.yaml
index 1ec36d95..c72aaf2a 100644
--- a/packages/valory/skills/generic_scoring_abci/skill.yaml
+++ b/packages/valory/skills/generic_scoring_abci/skill.yaml
@@ -14,7 +14,7 @@ fingerprint:
   handlers.py: bafybeidtzcefjwj5rqhk6xw7b4vlzsyfqs47y3kvrrbhxeypbz7mhenzum
   models.py: bafybeib6dy2jo77soz3bivbvugepjrurvkue7qwiizdxbvzytk62s543wq
   payloads.py: bafybeib7zsfjxhilao35g3zus4pslr3dr3q6m3ovhlyn5rwe2f63u44s44
-  rounds.py: bafybeiac7ucrlxguxoftqh34dpqhwb7hw7ek2j4bqzz2ryqd56ep2pvody
+  rounds.py: bafybeiahxsxw7g2atohf3gar6fv6pzxrsswmlai3zonwnpogwwrdr65wau
   tests/__init__.py: bafybeichcvoln3af5zl4rbefhdw5hd3n6dijbgygb3guiqgn7n2ad5vhrq
   tests/test_behaviours.py: bafybeih5l77ptahizykrd42z5fhw27thghjgwkeo2dhc4fnbecn3m7nkmy
   tests/test_dialogues.py: bafybeico5o7caxgecdthnh6lmafeeu6nee557tkerjkdiz5b2zvq77brpe
@@ -28,7 +28,7 @@ contracts: []
 protocols: []
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/decision_making_abci:0.1.0:bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/impact_evaluator_abci/composition.py b/packages/valory/skills/impact_evaluator_abci/composition.py
index 8d8c2a4a..78d2f2b6 100644
--- a/packages/valory/skills/impact_evaluator_abci/composition.py
+++ b/packages/valory/skills/impact_evaluator_abci/composition.py
@@ -117,3 +117,7 @@
     ),
     abci_app_transition_mapping,
 ).add_background_app(termination_config)
+
+# patch to avoid breaking changes introduced on open-autonomy v0.18.3
+for state in ImpactEvaluatorSkillAbciApp.get_all_rounds():
+    state.required_class_attributes = ()
diff --git a/packages/valory/skills/impact_evaluator_abci/skill.yaml b/packages/valory/skills/impact_evaluator_abci/skill.yaml
index 5872ca24..ac45b57f 100644
--- a/packages/valory/skills/impact_evaluator_abci/skill.yaml
+++ b/packages/valory/skills/impact_evaluator_abci/skill.yaml
@@ -8,7 +8,7 @@ aea_version: '>=1.0.0, <2.0.0'
 fingerprint:
   __init__.py: bafybeigmhxenrqb2ysjhcm2au2lang4abyny6irkzqqg4dtclz6net6zpy
   behaviours.py: bafybeiciogdifxopcplhlbnpuftwqh5zo4bubyimx7b4r5vfcdtpv5vhpq
-  composition.py: bafybeiguzgq3lhiax752jkp6w3ghspyhh4eltu5nwm6yb74ri3vbxflp74
+  composition.py: bafybeigij3bnfoeorq6znlgfjjosopvsbqjg2xbrotcud4pevoiopfghyq
   dialogues.py: bafybeigybns7lilv57day366bo6kri5ehu3nbrfjk6x7a7pz3xq4wc5r6e
   fsm_specification.yaml: bafybeiadeoixeufihanybmpwuxbtqyrrzmqa3n4z7vrmowpj4hgfkscquu
   handlers.py: bafybeihnfjtuusm65o76lr4q6rdawq6xjc7d7hywmcdabop7vgvuxdry3e
@@ -23,22 +23,22 @@ connections: []
 contracts: []
 protocols: []
 skills:
-- valory/abstract_round_abci:0.1.0:bafybeibiw4oqwqvo4jccwz5fb73iardzychgvcl66tceiildohoju2ikti
-- valory/ceramic_read_abci:0.1.0:bafybeigz7rzfls3niv3urfb4z4vwr525ooxveelgg3djpvkg5jzetxlm2u
-- valory/generic_scoring_abci:0.1.0:bafybeibgttqow3dbtpm5si7dhkfqcv64twvuoosfj5ha53u7qb7ihupp6y
-- valory/twitter_scoring_abci:0.1.0:bafybeibdziydhsk47j7kphgkogzecbcxboouwgbfim3levf2c3oovvloje
-- valory/ceramic_write_abci:0.1.0:bafybeic6c3iub3nsr5tmr7g5vzoixbin6w64ewudfiq6u4r2fiqwbg753i
-- valory/dynamic_nft_abci:0.1.0:bafybeianbjebbb2xkjrowirzoxkbgg6ugkqvivt6ehzvntyvat4wpzqgju
-- valory/registration_abci:0.1.0:bafybeib3n6vqkfbrcubcbliebjnuwyywdinxkbzt76n6gbn2kg7ace47dq
-- valory/reset_pause_abci:0.1.0:bafybeihkj6lmaypspyxe5qqrjgnolyck62pyvqoylr24ab6ue4steqcw7e
-- valory/termination_abci:0.1.0:bafybeifi2uodnrjsrivj53g3sjutocmyusbx6mlsb6oanqdyt2mfbyvusy
-- valory/transaction_settlement_abci:0.1.0:bafybeigh2vkt74jrad5gtsczrgqcuhcqe7jkgjy7jdw56yamlzwwnaymjy
-- valory/decision_making_abci:0.1.0:bafybeieshkhwnqijyhqdw2z7ejnnal5c3crth2sdgujwbfgozdecllgeiq
-- valory/llm_abci:0.1.0:bafybeib2k62hilwglfad33bzxkjlviw5bxwiw7z3rjvweyeamatdjznpeq
-- valory/twitter_write_abci:0.1.0:bafybeibp7zai2qwvfjd5fgpayx44x5c2zshbukpobvz2la7ws2l5f5fjde
-- valory/olas_week_abci:0.1.0:bafybeifnc2642fhqsncuqwype465xbdfnwlrsdna3pikhxvupw4mdfkd3i
-- valory/mech_interact_abci:0.1.0:bafybeicpskytv7osu6bdpmcweemlsb4f3m6gldzpyoxgawkczsmvlrzgma
-- valory/staking_abci:0.1.0:bafybeia25btekbiwi7tep6wzjlojc5g4msrxtfkhunuzlopjbjziactrje
+- valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
+- valory/ceramic_read_abci:0.1.0:bafybeibph35jhtvn6kgytj6mqdz4lpjkvtfqd75qorrt4onv6i2trxfttu
+- valory/generic_scoring_abci:0.1.0:bafybeie7v55simzep52usq6xe7x3basl7gpgkj6s6ye5fjxxwncov2g4pi
+- valory/twitter_scoring_abci:0.1.0:bafybeidmuebntwyf653f3k6nfrrtaeh3rlnyulp7gutgs4mmbo5qadr26e
+- valory/ceramic_write_abci:0.1.0:bafybeihez2zrvvt6cyi5vu3fpomjlbo3v4fzyf4buv7ysxzj4dntr2wy3q
+- valory/dynamic_nft_abci:0.1.0:bafybeiee4rxt3kcdy4xo36micyrlxgil5dufmcnjrnlmcjvoibwjhqh73a
+- valory/registration_abci:0.1.0:bafybeiagi6e2h7kochmlemy5c5yk6hwn37tfxiqvk2en74jhowsdwlmrny
+- valory/reset_pause_abci:0.1.0:bafybeiezfedmmseox3ce5aucxsiszdmvskrwwbtpb2a3vw3sbmc5jt7nri
+- valory/termination_abci:0.1.0:bafybeiea67epwwgngp7b3wavs6hpkaxv6etyaps6g6325bchfnf354mibq
+- valory/transaction_settlement_abci:0.1.0:bafybeifmgmwdkx4esemxjacjwzqkqymkuklb5nehkwqkx7v335fllgswcq
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
+- valory/llm_abci:0.1.0:bafybeiclq7xtvwy7cgqdpktv3emr67spc7ndjqnsso5getcf3yclh2rksq
+- valory/twitter_write_abci:0.1.0:bafybeic6oekzksyehrsfs7bu57qccz33qagz7mfdxtyor5opetpnhjaiui
+- valory/olas_week_abci:0.1.0:bafybeiecbiznyj7ameijrpajwxcfmwt45edzjkfkrfnnhcwfb4fkdxbsuy
+- valory/mech_interact_abci:0.1.0:bafybeib4vn6m2yumwoclh5aatcdt5yxcjc5owxmxy5o7t3nfzormgwkr64
+- valory/staking_abci:0.1.0:bafybeiapp5q6x4mzmqa5l6t6nvnvo6ktoglnhaorncpipv3uxl5reqlwkm
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/llm_abci/rounds.py b/packages/valory/skills/llm_abci/rounds.py
index 080cfd56..4cdffbf9 100644
--- a/packages/valory/skills/llm_abci/rounds.py
+++ b/packages/valory/skills/llm_abci/rounds.py
@@ -87,6 +87,7 @@ class LLMRandomnessRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.most_voted_randomness),
         get_name(SynchronizedData.most_voted_randomness),
     )
+    required_class_attributes = ()
 
 
 class LLMSelectKeeperRound(CollectSameUntilThresholdRound):
@@ -98,6 +99,7 @@ class LLMSelectKeeperRound(CollectSameUntilThresholdRound):
     no_majority_event = Event.NO_MAJORITY
     collection_key = get_name(SynchronizedData.participant_to_selection)
     selection_key = get_name(SynchronizedData.most_voted_keeper_address)
+    required_class_attributes = ()
 
 
 class LLMRound(OnlyKeeperSendsRound):
@@ -105,6 +107,7 @@ class LLMRound(OnlyKeeperSendsRound):
 
     payload_class = LLMPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(
         self,
diff --git a/packages/valory/skills/llm_abci/skill.yaml b/packages/valory/skills/llm_abci/skill.yaml
index bb212025..ea32a3ae 100644
--- a/packages/valory/skills/llm_abci/skill.yaml
+++ b/packages/valory/skills/llm_abci/skill.yaml
@@ -13,7 +13,7 @@ fingerprint:
   handlers.py: bafybeihex227foehp7a7wfc6vh25ahk5g65b5itu325hph2xj33mgp6kue
   models.py: bafybeiceu7qfg3ul2qao23o3gdncnafnqphm3m4fne6b3mzkb4en63kwjm
   payloads.py: bafybeidfdtjquup47cec43er2zegkthmdd5qrwq6myfn67djbclm5jzwey
-  rounds.py: bafybeidoielxzvw7wvf5dqa5vvd2isp2dzquxhnhpkhcxnwntyyjrkql6y
+  rounds.py: bafybeidkohx2admkkeiuifzchsfc3huxk7ynsk7o655aj77xzuvqsrogru
   tests/__init__.py: bafybeiclpwhs7vo63ze27dtvpj3mvoastflkxkahnvhsa6qv2u2cecxli4
   tests/test_behaviours.py: bafybeifggljp365fnq5sm2i5f2buitssufouquwevs2lv25rmt3bxnog5q
   tests/test_dialogues.py: bafybeihljhagavbiwamrrjbgafcabnl3orbgsqhoo2inlts32dwbim65yq
diff --git a/packages/valory/skills/mech_interact_abci/skill.yaml b/packages/valory/skills/mech_interact_abci/skill.yaml
index 84dae6ff..d4879073 100644
--- a/packages/valory/skills/mech_interact_abci/skill.yaml
+++ b/packages/valory/skills/mech_interact_abci/skill.yaml
@@ -20,7 +20,7 @@ fingerprint:
   payloads.py: bafybeie3s5irdmcggst5kmbm6duyhr4nm2qc67fkwznhrdskri4qzmkmla
   rounds.py: bafybeif7taciv6pqupb7xuewurqssziplbjeobbv4d7ea3vbngz3kpjnee
   states/__init__.py: bafybeie34wx5znr2hxwh3gs2fchmbeuzjcfnraymdvtzjaxaq5zsiw233q
-  states/base.py: bafybeieayzj3m22pnl27wwxer57c4guhzzjkgauczuswb74glfoxtt47uu
+  states/base.py: bafybeidr2vmblx7q43clzqt64x7nqe42mcr2apwi3we7gizkfwobaab4ke
   states/final_states.py: bafybeihjntrbc666blxj4viz74y4p2hfc5e4vijs3bqng2k4vqbwkud7sq
   states/request.py: bafybeigbqkawdoo4ouq5yb5pufmjso2eezamfgdyfsnkahgdumoxfbuwdy
   states/response.py: bafybeibaxnp2oxwjptoq7qzm6o7ww2qrdj2vnxzg2qt523vz2ftqzx5hyi
diff --git a/packages/valory/skills/mech_interact_abci/states/base.py b/packages/valory/skills/mech_interact_abci/states/base.py
index 3c74a7ce..22b4cbd3 100644
--- a/packages/valory/skills/mech_interact_abci/states/base.py
+++ b/packages/valory/skills/mech_interact_abci/states/base.py
@@ -151,8 +151,4 @@ class MechInteractionRound(CollectSameUntilThresholdRound):
     synchronized_data_class = SynchronizedData
     done_event = Event.DONE
     no_majority_event = Event.NO_MAJORITY
-
-    def _check_required_attributes(self) -> None:
-        """Check that required attributes are set."""
-        # skip the checks for this round
-        ...
+    required_class_attributes = ()
diff --git a/packages/valory/skills/olas_week_abci/rounds.py b/packages/valory/skills/olas_week_abci/rounds.py
index 41bd65bc..9db5145d 100644
--- a/packages/valory/skills/olas_week_abci/rounds.py
+++ b/packages/valory/skills/olas_week_abci/rounds.py
@@ -137,6 +137,7 @@ class OlasWeekDecisionMakingRound(CollectSameUntilThresholdRound):
 
     payload_class = OlasWeekDecisionMakingPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
@@ -157,6 +158,7 @@ class OlasWeekOpenAICallCheckRound(CollectSameUntilThresholdRound):
 
     payload_class = OpenAICallCheckPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     CALLS_REMAINING = "CALLS_REMAINING"
 
@@ -203,6 +205,7 @@ class OlasWeekTweetCollectionRound(CollectSameUntilThresholdRound):
 
     payload_class = OlasWeekTweetCollectionPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     @property
     def consensus_threshold(self):
@@ -326,6 +329,7 @@ class OlasWeekEvaluationRound(OnlyKeeperSendsRound):
 
     payload_class = OlasWeekEvaluationPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Enum]]:
         """Process the end of the block."""
@@ -366,6 +370,7 @@ class OlasWeekRandomnessRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.most_voted_randomness),
         get_name(SynchronizedData.most_voted_randomness),
     )
+    required_class_attributes = ()
 
 
 class OlasWeekSelectKeepersRound(CollectSameUntilThresholdRound):
@@ -373,6 +378,7 @@ class OlasWeekSelectKeepersRound(CollectSameUntilThresholdRound):
 
     payload_class = OlasWeekSelectKeepersPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
diff --git a/packages/valory/skills/olas_week_abci/skill.yaml b/packages/valory/skills/olas_week_abci/skill.yaml
index e2836e5c..8f084605 100644
--- a/packages/valory/skills/olas_week_abci/skill.yaml
+++ b/packages/valory/skills/olas_week_abci/skill.yaml
@@ -15,7 +15,7 @@ fingerprint:
   models.py: bafybeifdf3wx5dhkp6diybogeynug7solhpxz3ff7gg4yancuqoasqhree
   payloads.py: bafybeietg3ceghstjx5bytqv2t377k5pyww3cdq7zg7d7lxhscwmfelai4
   prompts.py: bafybeiaod4e6knvmjl6jjqnlpcushy6iab4sfax2tevskxuirfu36afeta
-  rounds.py: bafybeiffkf7c6lriymvheyxufyiwaaswkpxjjxpgvc25jrpglenc2rhje4
+  rounds.py: bafybeiewehptiqd26wpbqjxtq2ljyl3wigukvqxn7hhj6xys5rvih6iio4
   tests/__init__.py: bafybeidq5udnnehzozdjfpk3kdckymq4jvuwmvsjkhpr3ngggc3dhv4uza
   tests/test_behaviours.py: bafybeiggerp25yg72unmg5jfs3umyz4if5sxq7urvfi6jqw6a5qjnb75ky
   tests/test_dialogues.py: bafybeidogs4455nqgl54wj6ed6zh6jzmsg4aaavpibeqexs5fx3um57e7a
@@ -31,7 +31,7 @@ protocols:
 - valory/llm:1.0.0:bafybeihj2orqapokafg7co3wlogwgf6cckaaj2bz3nuv4rm3opkoyhrlp4
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/decision_making_abci:0.1.0:bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/staking_abci/rounds.py b/packages/valory/skills/staking_abci/rounds.py
index cddde7e4..109535f5 100644
--- a/packages/valory/skills/staking_abci/rounds.py
+++ b/packages/valory/skills/staking_abci/rounds.py
@@ -102,6 +102,7 @@ class ActivityScoreRound(CollectSameUntilThresholdRound):
 
     payload_class = ActivityScorePayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     selection_key = (
         get_name(SynchronizedData.pending_write),
@@ -154,6 +155,7 @@ class ActivityUpdatePreparationRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.chain_id),
         get_name(SynchronizedData.safe_contract_address),
     )
+    required_class_attributes = ()
 
     # We reference all the events here to prevent the check-abciapp-specs tool from complaining
     # since this round receives the event via payload
@@ -174,6 +176,7 @@ class CheckpointPreparationRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.chain_id),
         get_name(SynchronizedData.safe_contract_address),
     )
+    required_class_attributes = ()
 
     # We reference all the events here to prevent the check-abciapp-specs tool from complaining
     # since this round receives the event via payload
diff --git a/packages/valory/skills/staking_abci/skill.yaml b/packages/valory/skills/staking_abci/skill.yaml
index ec7c2372..d38a9b05 100644
--- a/packages/valory/skills/staking_abci/skill.yaml
+++ b/packages/valory/skills/staking_abci/skill.yaml
@@ -13,7 +13,7 @@ fingerprint:
   handlers.py: bafybeiaufft2fwbbjbbc77md6xkq7prnzzi2nkkm2fipapgx54myabmb7y
   models.py: bafybeify7lbvfd3j7inw3g6nr4yjdm2acnug6oavlxfmesj34kqpirtmiq
   payloads.py: bafybeihuq7ckt22lzpapef5pfj4yzhcxlcvwnwxt6ewtejrtia2klo7tuq
-  rounds.py: bafybeieji4b4ehw5mg4snhtoc2qcgey2t3s2zicsispgtdfm46fmajrudy
+  rounds.py: bafybeiac5po5r2r2v2ku4vvxaaizxmhayndhwupv75wnut3wotbozivj3u
 fingerprint_ignore_patterns: []
 connections: []
 contracts:
diff --git a/packages/valory/skills/twitter_scoring_abci/rounds.py b/packages/valory/skills/twitter_scoring_abci/rounds.py
index cee45e0f..3f2b0315 100644
--- a/packages/valory/skills/twitter_scoring_abci/rounds.py
+++ b/packages/valory/skills/twitter_scoring_abci/rounds.py
@@ -197,6 +197,7 @@ class TwitterDecisionMakingRound(CollectSameUntilThresholdRound):
 
     payload_class = TwitterDecisionMakingPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
@@ -218,6 +219,7 @@ class TwitterMentionsCollectionRound(CollectSameUntilThresholdRound):
 
     payload_class = TwitterMentionsCollectionPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     @property
     def consensus_threshold(self):
@@ -356,6 +358,7 @@ class TwitterHashtagsCollectionRound(CollectSameUntilThresholdRound):
 
     payload_class = TwitterHashtagsCollectionPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     @property
     def consensus_threshold(self):
@@ -493,6 +496,7 @@ class PreMechRequestRound(CollectSameUntilThresholdRound):
 
     payload_class = PreMechRequestPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Enum]]:
         """Process the end of the block."""
@@ -558,6 +562,7 @@ class PostMechRequestRound(CollectSameUntilThresholdRound):
 
     payload_class = PostMechRequestPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Enum]]:
         """Process the end of the block."""
@@ -605,6 +610,7 @@ class DBUpdateRound(CollectSameUntilThresholdRound):
 
     payload_class = DBUpdatePayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
@@ -650,6 +656,7 @@ class TwitterRandomnessRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.most_voted_randomness),
         get_name(SynchronizedData.most_voted_randomness),
     )
+    required_class_attributes = ()
 
 
 class TwitterSelectKeepersRound(CollectSameUntilThresholdRound):
@@ -657,6 +664,7 @@ class TwitterSelectKeepersRound(CollectSameUntilThresholdRound):
 
     payload_class = TwitterSelectKeepersPayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(self) -> Optional[Tuple[BaseSynchronizedData, Event]]:
         """Process the end of the block."""
diff --git a/packages/valory/skills/twitter_scoring_abci/skill.yaml b/packages/valory/skills/twitter_scoring_abci/skill.yaml
index 8f0f871d..1da3f272 100644
--- a/packages/valory/skills/twitter_scoring_abci/skill.yaml
+++ b/packages/valory/skills/twitter_scoring_abci/skill.yaml
@@ -15,7 +15,7 @@ fingerprint:
   models.py: bafybeiatpjymf7bvtr5f4e23jv2leaqsnwh766dymkm5vkzyhigbap4rhe
   payloads.py: bafybeidb2qiw26b5fhyxujseibbo2ji5zo54auhyelllsqnj7zn5sbc3pi
   prompts.py: bafybeidab3wypfzjia6fcj4svo4rzrnbuvqhivqhvdzzglfhl34bnnzm3e
-  rounds.py: bafybeiggsdyopywr27re4di6qp4ckysfvbl5pmhahjmsuv5j2iaiqhpk2m
+  rounds.py: bafybeicufjsbopuk74mzwv5zo5hn5p7uvxktfqhcliyotbns47yvfo4znm
   tests/__init__.py: bafybeidwzzd4ejsyf3aryd5kmrvd63h7ajgqyrxphmfaacvpjnneacejay
   tests/test_behaviours.py: bafybeifbydkb2firl6rgd7sxk4fcl2teml37hvu45lwyz4beyr2kkpdsdu
   tests/test_dialogues.py: bafybeiheyq7klonzb7rnjub2i22h7bmsnoimn2pq4j7ofikt3yovstvgt4
@@ -32,8 +32,8 @@ protocols:
 - valory/contract_api:1.0.0:bafybeidgu7o5llh26xp3u3ebq3yluull5lupiyeu6iooi2xyymdrgnzq5i
 skills:
 - valory/abstract_round_abci:0.1.0:bafybeigjddhk7epta7xpnfvv426xedff5abh4xlkwi6cqgp4vkutgkvydm
-- valory/decision_making_abci:0.1.0:bafybeiew3xxvbjlkvcvbcjkgi4whhcche2lyj2i4n63osmfgalnkveefue
-- valory/mech_interact_abci:0.1.0:bafybeib5kbctorezyl6wn6udy2c322isrrqnxyzgq55dysnilqan4gqjqe
+- valory/decision_making_abci:0.1.0:bafybeibvhg6nzs7os3c4enox6cc6ey42kkh62jrv5jpb5kpcjmykeblwmi
+- valory/mech_interact_abci:0.1.0:bafybeib4vn6m2yumwoclh5aatcdt5yxcjc5owxmxy5o7t3nfzormgwkr64
 behaviours:
   main:
     args: {}
diff --git a/packages/valory/skills/twitter_write_abci/rounds.py b/packages/valory/skills/twitter_write_abci/rounds.py
index dc713091..02e8ad41 100644
--- a/packages/valory/skills/twitter_write_abci/rounds.py
+++ b/packages/valory/skills/twitter_write_abci/rounds.py
@@ -86,6 +86,7 @@ class RandomnessTwitterRound(CollectSameUntilThresholdRound):
         get_name(SynchronizedData.most_voted_randomness),
         get_name(SynchronizedData.most_voted_randomness),
     )
+    required_class_attributes = ()
 
 
 class SelectKeeperTwitterRound(CollectSameUntilThresholdRound):
@@ -97,6 +98,7 @@ class SelectKeeperTwitterRound(CollectSameUntilThresholdRound):
     no_majority_event = Event.NO_MAJORITY
     collection_key = get_name(SynchronizedData.participant_to_selection)
     selection_key = get_name(SynchronizedData.most_voted_keeper_address)
+    required_class_attributes = ()
 
 
 class TwitterWriteRound(OnlyKeeperSendsRound):
@@ -104,6 +106,7 @@ class TwitterWriteRound(OnlyKeeperSendsRound):
 
     payload_class = TwitterWritePayload
     synchronized_data_class = SynchronizedData
+    required_class_attributes = ()
 
     def end_block(
         self,
diff --git a/packages/valory/skills/twitter_write_abci/skill.yaml b/packages/valory/skills/twitter_write_abci/skill.yaml
index 2a5ba941..e848d8bd 100644
--- a/packages/valory/skills/twitter_write_abci/skill.yaml
+++ b/packages/valory/skills/twitter_write_abci/skill.yaml
@@ -14,7 +14,7 @@ fingerprint:
   handlers.py: bafybeibofqqb5dvfugwjzuwmm5ktcumwzdak43uyfvythrdrfhk7wcacne
   models.py: bafybeidfipifkwti4lut4uzlyfy5rflxgszresbe2qprfn4enokte4x5v4
   payloads.py: bafybeidpewmdpyumwuufkymibgeviivymrieh7sjkctdwizahn45nbuniq
-  rounds.py: bafybeif4wznvdp3jxeuzv4spscvmx6cjrih4trrcosju6x2mehcyimbeoa
+  rounds.py: bafybeicrp5woofa2nmf2o4syu2xq4pd25pdp7q5d72ukxcp7hipfv4xvwa
   tests/__init__.py: bafybeigh6rf2j2zt66rq7buojs7zsgxguv2pmav2p4lfi3xx5ayseexp2y
   tests/test_behaviours.py: bafybeiejh5bbrt5ln66lrlckdtdmlbqxibif6bw723asf2kcjeknjnrvye
   tests/test_dialogues.py: bafybeihcg2g7e53foxtikjidybhck6nvh7246ic3sgjlc6nr7gnmmsalna