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mcp-contract

PyPIInfrastructure

PulseGate's liveness check found it on 14 Sep 2026; it is registered on GitHub and PyPI and has been in the index since 30 Jul 2026. How this is checked

mcp-contract provides contract testing for Model Context Protocol (MCP) servers. It snapshots the current tool surface and automatically fails CI pipelines when changes would break agents or tools that depend on it. Useful for teams building and maintaining LLM agent tooling to ensure backward compatibility.

Inferred · not functionally tested

Open SourceMITCLI
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Overview

5 features

Purpose: Detecting breaking changes to MCP server tool surfaces that would break dependent AI agents before they reach production.

Inferred · not functionally tested

Audience: developers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: indicated (inferred, not tested) · CLI: indicated (inferred, not tested) · Self-hosting: unknown

Recorded constraints: pricing: open_source · license: MIT · platforms: CLI · deployment: cli

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: pypi.org · github.com. These links do not verify the individual claims.

mcp-contract is a Testing & QA project. Inferred · not functionally tested: It focuses on detecting breaking changes to MCP server tool surfaces that would break dependent AI agents before they reach production. Inferred · not functionally tested: mcp-contract is an open-source project aimed at developers. Basis unknown · not verified: The project is open source (MIT). Basis unknown · not verified: It ships for the command line.

mcp-contract first shipped in 2026. Development happens publicly on GitHub with 1 commit in the last 90 days. Inferred · not functionally tested: Among its 5 catalogued features are Contract Testing, Snapshot Validation, and CI Integration. Basis unknown · not verified: Catalogued interfaces include an MCP server.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Contract Testing
  • Snapshot Validation
  • CI Integration
  • Schema Diff
  • Regression Testing

Topics: Inferred · not functionally tested

Tags
mcp-testingcontract-testingagent-compatibilityschema-snapshotllm-tool-ci
AI capabilities
Structured
Inference: Local

JSON profile · Text profile · Access guide

Built with & integrations

Connectors
MCP
Runs on
CLI

Trust & compliance

License
MIT
Public signals
HTTPSOpen SourceGitHubActive maintenance

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed30 Jul · 06:16 UTC
    mcp-contract seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about mcp-contract

What does mcp-contract do?
Inferred · not functionally tested: Mcp-contract focuses on detecting breaking changes to MCP server tool surfaces that would break dependent AI agents before they reach production. It is catalogued under Testing & QA on PulseGate.
Who should use mcp-contract?
Inferred · not functionally tested: mcp-contract is an open-source project built for developers.
Does mcp-contract have a free plan?
Basis unknown · not verified: Yes — mcp-contract is open source under the MIT license and free to use.
What platforms does mcp-contract run on?
Basis unknown · not verified: mcp-contract runs on the command line.
Is mcp-contract still maintained?
PulseGate's liveness check found it on 14 Sep 2026. Its GitHub repository shows 1 commit in the last 90 days.
What projects are similar to mcp-contract?
Similar projects tracked by PulseGate include mcp-rig, mcp-pact, and mcpvet.mcp-rigmcp-pactmcpvet
How long has mcp-contract been around?
mcp-contract first shipped in 2026.
Is mcp-contract open source?
Basis unknown · not verified: Yes — mcp-contract is open source under the MIT license, developed on GitHub.

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