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MCP Server 'git-prism' for AI Coding Agents Released

·2026.06.01 08:28

Key point

git-prism, an MCP server that converts git diffs into structured JSON data to reduce token consumption for AI coding agents, has been released.

Details

This tool addresses the token waste and context loss problems that occur when AI coding agents like Claude Code process git diff on large codebases.

git-prism is an MCP (Model Context Protocol) server written in Rust that provides agents with structured JSON data like the following, instead of raw text-form diffs:

  • List of changed files and line counts
  • Signatures of specific functions that were modified/added
  • Callers/callees and test references of functions
  • Blast-radius assessment of changes

Through this, PR diff data that used to reach tens of thousands of tokens is compressed down to the hundreds-of-tokens level, maximizing the agent's reasoning efficiency.

Key Features and Updates (v0.9.0):

  • PATH-layer interception: Replaces the git command with a shim, detecting even nested git calls within Makefiles or build scripts.
  • Multi-language support: Supports function-level analysis for 13 languages, including Rust, Python, Go, and TypeScript.
  • Compatibility: Also supports the gh pr diff command, and passes through regular users' git commands as-is.

It is currently installable on Unix/Darwin environments, via cargo install git-prism or through brew.

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