mcp-builder

mcp-builder is an MCP server development skill for AI agents, published by Rune-kit in the rune repository on GitHub. Skillspace rates mcp-builder C (72/100) and the safety scan flagged it for review; the rating is based on static analysis only.

Build Model Context Protocol servers from specifications. Use when creating an MCP server for a tool, resource, or service that AI agents should access. Generates tool definitions, resource handlers, and test suites in TypeScript or Python (FastMCP).

Grade
C
Quality
72 / 100
Safety
Needs review
GitHub stars
80

Unproven: rated by static analysis only, not yet compared head-to-head.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

View source on GitHubRune-kit/rune

Our review

Architecture
100 / 100
Maturity
Structured: ships references or scripts
Security scan
Medium-risk patterns
License
MIT
Adoption
Adopted by 0 other repositories, in 0 collections

What the scanner flagged

  • reads environment variables
  • mentions secrets in text

Not checked yet

  • Category is a classifier prediction; no model has read this skill yet
  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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