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Mcp server upgrade

Skill batteryshark/skill-tap/skills/development/mcp/mcp-server-upgrade

Audit and upgrade an existing MCP implementation to current FastMCP 3 patterns while preserving behavior and verifying protocol compatibility.From its SKILL.md

Install
npx -y skills add batteryshark/skill-tap --skill mcp-server-upgrade

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

One thing to look at

  • 1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

SKILL.md

1.2 KB, 211 tokens by cl100k_base, as published. Nobody here has run it

Upgrade a FastMCP Server

  1. Record the installed fastmcp, mcp, Python, and deployment versions plus the server's existing component inventory and representative outputs.
  2. Run bin/mcp-server-upgrade PATH for a static migration inventory, then read references/upgrade-map.md.
  3. Separate framework migration from product redesign. Preserve observable names, schemas, errors, auth requirements, and effects unless the user requested a breaking change.
  4. Migrate imports, configuration, composition, context access, and transport setup in small groups. Replace deprecated patterns with current providers, transforms, component authorization, visibility, versioning, storage, or tasks only where they solve an actual requirement.
  5. Treat Code Mode and Apps as opt-in product capabilities, not automatic upgrade steps.
  6. Compare pre/post component catalogs and run direct, in-memory, and deployment smoke tests.

Ask agents/migration-reviewer.md to inspect compatibility evidence before release.

What ships with it: 4 files

3.0 KB alongside SKILL.md, 2 of them executable

agents/

bin/

references/

scripts/

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