Copilot Extensions: Building Custom Tools and Integrations…
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    Extensions

    Copilot Extensions: Building Custom Tools and Integrations

    GitHub Docs April 24, 2026
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    Learn to build GitHub Copilot Extensions using the Extensions API to create custom chat participants, slash commands, and MCP integrations.

    Step-by-step guide for creating GitHub Copilot Extensions that add custom tools, chat participants with @mentions, slash commands, and Model Context Protocol server integrations to enhance Copilot capabilities.

    Tags

    extensionsmcpchat-participantsapicustomization
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