diff --git a/.changeset/social-cycles-rescue.md b/.changeset/social-cycles-rescue.md
new file mode 100644
index 0000000..0ee3d47
--- /dev/null
+++ b/.changeset/social-cycles-rescue.md
@@ -0,0 +1,6 @@
+---
+"@open-rpc/markdown-generator": patch
+"@open-rpc/docusaurus-plugin": patch
+---
+
+Change adds support for some index frontmatter customization
diff --git a/packages/docusaurus-plugin/src/lib.ts b/packages/docusaurus-plugin/src/lib.ts
index 7bff319..10866af 100644
--- a/packages/docusaurus-plugin/src/lib.ts
+++ b/packages/docusaurus-plugin/src/lib.ts
@@ -85,7 +85,12 @@ export async function generateDocs(
   }
 
   // NOTE a little hacky, but good for now
-  const indexContent = renderIndex(doc, "mdx");
+  const additionalFrontmatter: Record<string, string> = {};
+  if (options.indexSlug) {
+    additionalFrontmatter["slug"] = options.indexSlug;
+  }
+
+  const indexContent = renderIndex(doc, "mdx", additionalFrontmatter);
   const finalIndex =
     options.showPoweredBy === true
       ? `${indexContent}\n---\n\n*Powered by [OpenRPC](https://open-rpc.org)*\n`
diff --git a/packages/docusaurus-plugin/src/options.ts b/packages/docusaurus-plugin/src/options.ts
index 4641a4b..f0f6405 100644
--- a/packages/docusaurus-plugin/src/options.ts
+++ b/packages/docusaurus-plugin/src/options.ts
@@ -5,6 +5,7 @@ export type Options = {
   openRPCSpecPath: string;
   docOutputPath: string;
   showPoweredBy: boolean;
+  indexSlug: string | undefined;
 };
 
 /**
@@ -23,5 +24,6 @@ export function normalizeOptions(options: Options): PluginOptions {
     docOutputPath: options.docOutputPath || "./api-reference",
     showPoweredBy:
       options.showPoweredBy === undefined ? true : options.showPoweredBy,
+    indexSlug: options.indexSlug === undefined ? undefined : options.indexSlug,
   };
 }
diff --git a/packages/example-site/docs/api-reference/index.md b/packages/example-site/docs/api-reference/index.md
index 9146fbe..a039b85 100644
--- a/packages/example-site/docs/api-reference/index.md
+++ b/packages/example-site/docs/api-reference/index.md
@@ -2,6 +2,7 @@
 # GENERATED DOCUMENTATION - DO NOT EDIT THIS FILE
 title: "Ethereum JSON-RPC Specification"
 description: "A specification of the standard interface for Ethereum clients."
+slug: /api-reference
 
 ---
 
diff --git a/packages/example-site/docusaurus.config.ts b/packages/example-site/docusaurus.config.ts
index 89f1afe..2ca590a 100644
--- a/packages/example-site/docusaurus.config.ts
+++ b/packages/example-site/docusaurus.config.ts
@@ -39,7 +39,7 @@ const config: Config = {
       openRPCSpecPath: `./error-group-openrpc.json`,
       docOutputPath: `./docs/api-reference`,
       showPoweredBy: true,
-
+      indexSlug: '/api-reference',
   }]],
   presets: [
     [
diff --git a/packages/markdown-generator/src/lib.ts b/packages/markdown-generator/src/lib.ts
index afc9f6c..d1c0053 100644
--- a/packages/markdown-generator/src/lib.ts
+++ b/packages/markdown-generator/src/lib.ts
@@ -106,6 +106,7 @@ export async function renderDocumentToMarkdownFiles(
 export function renderIndex(
   doc: DereffedOpenrpcDocument,
   markdownType: "mdx" | "md",
+  additionalFrontmatter: Record<string, string> = {},
 ): string {
   const title = doc.info?.title || "API";
   const version = doc.info?.version || "";
@@ -139,10 +140,15 @@ export function renderIndex(
           )
           .join("\n");
 
+  const frontmatter = Object.entries(additionalFrontmatter)
+    .map(([key, value]) => `${key}: ${value}`)
+    .join("\n");
+
   return `---
 # GENERATED DOCUMENTATION - DO NOT EDIT THIS FILE
 title: "${title}"
 description: "${escapeYaml(desc)}"
+${frontmatter}
 ${tagsList}
 ---