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Building AI Skills: GitHub Copilot Extensions, Claude Tools, and Reusable Agent Capabilities

This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.

Every major AI assistant now supports custom skills — capabilities you build that extend what the AI can do. GitHub Copilot calls them Extensions. Claude calls them Tools (and MCP servers). LangChain calls them Tools. Spring AI calls them Functions. The terminology is a mess, but the concept is ide…

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  1. 2026-09-08 10:36 · DEV Community — AI
    Building AI Skills: GitHub Copilot Extensions, Claude Tools, and Reusable Agent Capabilities

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