feat(skills): Add GitHub Copilot SDK skill

README.md

@@ -21,7 +21,7 @@ Discover our curated collections of prompts, instructions, and agents organized
 | Name | Description | Items | Tags |
 | ---- | ----------- | ----- | ---- |
 | [Awesome Copilot](collections/awesome-copilot.md) | Meta prompts that help you discover and generate curated GitHub Copilot agents, collections, instructions, prompts, and skills. | 5 items | github-copilot, discovery, meta, prompt-engineering, agents |
-| [Copilot SDK](collections/copilot-sdk.md) | Build applications with the GitHub Copilot SDK across multiple programming languages. Includes comprehensive instructions for C#, Go, Node.js/TypeScript, and Python to help you create AI-powered applications. | 4 items | copilot-sdk, sdk, csharp, go, nodejs, typescript, python, ai, github-copilot |
+| [Copilot SDK](collections/copilot-sdk.md) | Build applications with the GitHub Copilot SDK across multiple programming languages. Includes comprehensive instructions for C#, Go, Node.js/TypeScript, and Python to help you create AI-powered applications. | 5 items | copilot-sdk, sdk, csharp, go, nodejs, typescript, python, ai, github-copilot |
 | [Partners](collections/partners.md) | Custom agents that have been created by GitHub partners | 20 items | devops, security, database, cloud, infrastructure, observability, feature-flags, cicd, migration, performance |
 
 

collections/copilot-sdk.collection.yml

@@ -11,6 +11,8 @@ items:
     kind: instruction
   - path: instructions/copilot-sdk-python.instructions.md
     kind: instruction
+  - path: skills/copilot-sdk/SKILL.md
+    kind: skill
 display:
   ordering: manual
   show_badge: true

collections/copilot-sdk.md

@@ -12,6 +12,7 @@ Build applications with the GitHub Copilot SDK across multiple programming langu
 | [GitHub Copilot SDK Go Instructions](../instructions/copilot-sdk-go.instructions.md)<br />[![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-go.instructions.md)<br />[![Install in VS Code Insiders](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-go.instructions.md) | Instruction | This file provides guidance on building Go applications using GitHub Copilot SDK. |
 | [GitHub Copilot SDK Node.js Instructions](../instructions/copilot-sdk-nodejs.instructions.md)<br />[![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-nodejs.instructions.md)<br />[![Install in VS Code Insiders](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-nodejs.instructions.md) | Instruction | This file provides guidance on building Node.js/TypeScript applications using GitHub Copilot SDK. |
 | [GitHub Copilot SDK Python Instructions](../instructions/copilot-sdk-python.instructions.md)<br />[![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-python.instructions.md)<br />[![Install in VS Code Insiders](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?style=flat-square&logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/install/instructions?url=vscode-insiders%3Achat-instructions%2Finstall%3Furl%3Dhttps%3A%2F%2Fraw.githubusercontent.com%2Fgithub%2Fawesome-copilot%2Fmain%2Finstructions%2Fcopilot-sdk-python.instructions.md) | Instruction | This file provides guidance on building Python applications using GitHub Copilot SDK. |
+| [Copilot Sdk](../skills/copilot-sdk/SKILL.md) | Skill | Build agentic applications with GitHub Copilot SDK. Use when embedding AI agents in apps, creating custom tools, implementing streaming responses, managing sessions, connecting to MCP servers, or creating custom agents. Triggers on Copilot SDK, GitHub SDK, agentic app, embed Copilot, programmable agent, MCP server, custom agent. |
 
 ---
-*This collection includes 4 curated items for **Copilot SDK**.*
+*This collection includes 5 curated items for **Copilot SDK**.*

docs/README.collections.md

@@ -17,7 +17,7 @@ Curated collections of related prompts, instructions, and agents organized aroun
 | Name | Description | Items | Tags |
 | ---- | ----------- | ----- | ---- |
 | [⭐ Awesome Copilot](../collections/awesome-copilot.md) | Meta prompts that help you discover and generate curated GitHub Copilot agents, collections, instructions, prompts, and skills. | 5 items | github-copilot, discovery, meta, prompt-engineering, agents |
-| [⭐ Copilot SDK](../collections/copilot-sdk.md) | Build applications with the GitHub Copilot SDK across multiple programming languages. Includes comprehensive instructions for C#, Go, Node.js/TypeScript, and Python to help you create AI-powered applications. | 4 items | copilot-sdk, sdk, csharp, go, nodejs, typescript, python, ai, github-copilot |
+| [⭐ Copilot SDK](../collections/copilot-sdk.md) | Build applications with the GitHub Copilot SDK across multiple programming languages. Includes comprehensive instructions for C#, Go, Node.js/TypeScript, and Python to help you create AI-powered applications. | 5 items | copilot-sdk, sdk, csharp, go, nodejs, typescript, python, ai, github-copilot |
 | [⭐ Partners](../collections/partners.md) | Custom agents that have been created by GitHub partners | 20 items | devops, security, database, cloud, infrastructure, observability, feature-flags, cicd, migration, performance |
 | [Azure & Cloud Development](../collections/azure-cloud-development.md) | Comprehensive Azure cloud development tools including Infrastructure as Code, serverless functions, architecture patterns, and cost optimization for building scalable cloud applications. | 18 items | azure, cloud, infrastructure, bicep, terraform, serverless, architecture, devops |
 | [C# .NET Development](../collections/csharp-dotnet-development.md) | Essential prompts, instructions, and chat modes for C# and .NET development including testing, documentation, and best practices. | 8 items | csharp, dotnet, aspnet, testing |

docs/README.skills.md

@@ -30,6 +30,7 @@ Skills differ from other primitives by supporting bundled assets (scripts, code
 | [azure-role-selector](../skills/azure-role-selector/SKILL.md) | When user is asking for guidance for which role to assign to an identity given desired permissions, this agent helps them understand the role that will meet the requirements with least privilege access and how to apply that role. | `LICENSE.txt` |
 | [azure-static-web-apps](../skills/azure-static-web-apps/SKILL.md) | Helps create, configure, and deploy Azure Static Web Apps using the SWA CLI. Use when deploying static sites to Azure, setting up SWA local development, configuring staticwebapp.config.json, adding Azure Functions APIs to SWA, or setting up GitHub Actions CI/CD for Static Web Apps. | None |
 | [chrome-devtools](../skills/chrome-devtools/SKILL.md) | Expert-level browser automation, debugging, and performance analysis using Chrome DevTools MCP. Use for interacting with web pages, capturing screenshots, analyzing network traffic, and profiling performance. | None |
+| [copilot-sdk](../skills/copilot-sdk/SKILL.md) | Build agentic applications with GitHub Copilot SDK. Use when embedding AI agents in apps, creating custom tools, implementing streaming responses, managing sessions, connecting to MCP servers, or creating custom agents. Triggers on Copilot SDK, GitHub SDK, agentic app, embed Copilot, programmable agent, MCP server, custom agent. | None |
 | [gh-cli](../skills/gh-cli/SKILL.md) | GitHub CLI (gh) comprehensive reference for repositories, issues, pull requests, Actions, projects, releases, gists, codespaces, organizations, extensions, and all GitHub operations from the command line. | None |
 | [git-commit](../skills/git-commit/SKILL.md) | Execute git commit with conventional commit message analysis, intelligent staging, and message generation. Use when user asks to commit changes, create a git commit, or mentions "/commit". Supports: (1) Auto-detecting type and scope from changes, (2) Generating conventional commit messages from diff, (3) Interactive commit with optional type/scope/description overrides, (4) Intelligent file staging for logical grouping | None |
 | [github-issues](../skills/github-issues/SKILL.md) | Create, update, and manage GitHub issues using MCP tools. Use this skill when users want to create bug reports, feature requests, or task issues, update existing issues, add labels/assignees/milestones, or manage issue workflows. Triggers on requests like "create an issue", "file a bug", "request a feature", "update issue X", or any GitHub issue management task. | `references/templates.md` |

eng/validate-collections.mjs

@@ -2,12 +2,12 @@
 
 import fs from "fs";
 import path from "path";
-import { parseCollectionYaml, parseFrontmatter } from "./yaml-parser.mjs";
 import {
-  ROOT_FOLDER,
   COLLECTIONS_DIR,
   MAX_COLLECTION_ITEMS,
+  ROOT_FOLDER,
 } from "./constants.mjs";
+import { parseCollectionYaml, parseFrontmatter } from "./yaml-parser.mjs";
 
 // Validation functions
 function validateCollectionId(id) {
@@ -177,10 +177,10 @@ function validateCollectionItems(items) {
     if (!item.kind || typeof item.kind !== "string") {
       return `Item ${i + 1} must have a kind string`;
     }
-    if (!["prompt", "instruction", "agent"].includes(item.kind)) {
+    if (!["prompt", "instruction", "agent", "skill"].includes(item.kind)) {
       return `Item ${
         i + 1
-      } kind must be one of: prompt, instruction, agent`;
+      } kind must be one of: prompt, instruction, agent, skill`;
     }
 
     // Validate file path exists
@@ -365,4 +365,3 @@ try {
   console.error(`Error during validation: ${error.message}`);
   process.exit(1);
 }
-