specmatic/specmatic-mcp-server
A Model Context Protocol (MCP) server that exposes Specmatic's contract testing capabilities to AI coding agents like Claude Code. This server enables comprehensive API contract validation and mock server management for development workflows.
The server exposes contract testing, resiliency testing, and API mocking through four distinct tools—including a git-based backward compatibility checker (npm-only) that detects breaking changes by comparing OpenAPI specs across branches. It communicates via stdio transport with MCP-compatible agents (Claude Code, VSCode, Cursor, GitHub Copilot) and generates JUnit XML reports; the npm variant supports all features while Docker trades git access for containerized isolation.
Stars
8
Forks
3
Language
TypeScript
License
MIT
Category
Last pushed
Mar 11, 2026
Commits (30d)
0
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