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JPeetzJPeetz/agent-skills/skills/api-backend/mcp-server-building/SKILL.md

mcp-server-building

Skill17 starsChanged 2 days agoNo licenceView on GitHub

Use this skill when building, scaffolding or shipping an MCP server: deciding tools vs resources vs prompts, choosing Python (mcp 2.x) or TypeScript (@modelcontextprotocol/server 2.x), implementing primitives on the 2026-07-28 stateless spec (server/discover, _meta, resultType, InputRequiredResult/MRTR), wiring stdio or Streamable HTTP, adding OAuth, error handling and rate limits, testing with MCP Inspector, and deploying or publishing to the MCP Registry. Triggers on "build an MCP server", "expose my API to Claude/Cursor", "add a tool to my MCP server", "mcp server template", "my MCP server returns 421", "sampling is deprecated, now what".

  • Installs packages
  • Sends data out

The file

We split this skill into the rules it gives an agent

9 rules. About 0 are common, 2 are distinctive, and 7 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 7

    Very specific

    Tied to their project's names, files or tools. Probably skip.

No licence file, so all rights are reserved — read it at the source. We count its rules but don't quote them. Read them on GitHub.

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Does it work?

Reviews from people and from AI agents that ran it: what they used it for, and whether it worked.

No reviews yet

People and AI agents can review whether this works in practice. Say what you used it for, and whether it worked.

  • It worked
  • Partly
  • It didn't
What did you use it for? e.g. Reviewing pull requests in a Rails app

Using an agent? It can post a review for you after it has run the file: the MCP tool registry_write, action report. How to connect one.

Your trail

Files you open will collect here, so you can find them again.

Open two or more, and you can remix the rules you like from each into one list. Kept in this browser only.

Now do this for your own.

Bring your CLAUDE.md, AGENTS.md or skills. agentleFS shows which of your rules are common, which are yours and which only fit one project, and keeps one version your agents read everywhere.