API Development MCP Servers for Claude Code

Building, testing and documenting APIs: specs, mock servers, contract checks. 617 API Development MCP servers on Mcprush that work with Claude Code.

617 MCP servers

Scanned where there is a package or repository to read — the grade is on each server's page
API DevelopmentWorks with Claude Code

MCP server for API testing: generates test cases, validates specs, compares versions, and creates mock data from Swagger/OpenAPI

4/day 10 tools
Free

MCP server for MapleFlow — the Everything API for builders. AI models, identity verification, and utility APIs on one key.

4/day
Free

MCP server for SafeNest - AI-powered child safety analysis tools for Claude and other AI assistants

4/day 7 tools
Free

A Model Context Protocol (MCP) server that enables AI assistants to interact with Microsoft Outlook calendars and emails through the

4/day 9 tools
Free

Verifox MCP server — verify email deliverability and find business emails (single + bulk) for Claude and any MCP client.

4/day 6 tools
Free

Yahoo Fantasy Baseball skills and mcp for Claude and Codex — automated lineup adjustments, Statcast analytics, and free-agent scouting

4/day 33 tools
Free

Official MCP server for the Stampede API — query Bitcoin Stamps data (stamps, creators, collections) from any MCP client.

3/day 27 tools
Free
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