By platform
GitHub Copilot Extensions — indexed and scored
GitHub Copilot Extensions — plug-ins for Copilot Chat in VS Code and github.com that expose their own tools (often via MCP under the hood). Install from the GitHub Marketplace. Every indexed Copilot extension is here, scored identically to every other platform.
- Indexed
- 15
- Avg score
- 6.7
- Top platform
- GitHub Copilot Extensions 15
- Top role
- Engineering 5
Top picks for github copilot extensions
Copilot Extensions Preview SDK (JS)
Official JavaScript SDK that handles request verification, response formatting, and prompt streaming for Copilot Extensions.
Blackbeard Copilot Extension
Reference Copilot Extension that responds in the voice of Blackbeard the pirate — the canonical Hello World starter.
Impeccable
Frontend design skill for Claude and other AI agents with 23 commands, 7 domain references, and anti-pattern detection to enforce consistent, high-quality design.
Context Mode
An MCP server that reduces AI agent context consumption by sandboxing tool output, maintaining session state, and encouraging code-based analysis over raw data dumps.
caveman
A Claude Code skill and multi-agent plugin that reduces output tokens by ~65–75% while preserving technical accuracy, supporting 30+ agent platforms.
RAG Copilot Extension
Reference Go-based Copilot Extension demonstrating retrieval-augmented generation patterns over a custom corpus.
Function Calling Copilot Extension
Reference Go-based Copilot Extension that demonstrates function calling with confirmation dialogs — issue creation and listing as worked examples.
Semiotic
A React data visualization library with 40+ chart types and AI-tooling for AI coding assistants to generate correct charts on the first try.
GitHub Models Copilot Extension
Official Copilot Extension that lets developers list, recommend, and run GitHub Models directly from Copilot Chat — written in TypeScript.
Microsoft Work IQ
Plugin marketplace extending GitHub Copilot with MCP servers to query emails, meetings, documents, Teams messages, and productivity insights from Microsoft 365.
Power BI Modeling MCP Server
MCP server connecting AI agents to Power BI semantic models for autonomous modeling, bulk operations, DAX validation, and agentic development workflows.
Accessibility Agents
A community-driven collection of 79 specialized AI agents across 8 teams that enforce accessibility standards (WCAG AA/AAA) in code, documents, and GitHub workflows.
specs.md
Choose between Simple (specs only), FIRE (adaptive execution), or AI-DLC (full DDD methodology) to guide AI agents through your development workflow.
Vanguard Frontier Agentic
Production-ready agentic coordination platform with 404 skills, 426 agents, maestro routing, escalation protocols, and audit-ready safety by design for Fortune 50 deployments.
ai-rulez
Generate native configs for 19 AI coding platforms from one `.ai-rulez/` directory—rules, agents, skills, and commands in sync.
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