API Development MCP Servers for Codex CLI

Building, testing and documenting APIs: specs, mock servers, contract checks. 615 API Development MCP servers on Mcprush that work with Codex CLI.

615 MCP servers

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

AnyHook MCP server — gives AI agents eyes on webhooks (inspect, replay, mock, verify) for Stripe, GitHub, OpenAI, Anthropic, LangChain, and

36/day 14 tools
Free

Model Context Protocol Server for the instantKOM REST API. Lets Claude Code, Claude Desktop and other MCP-compatible AI assistants drive

32/day
Free

An MCP server that turns OpenAPI / Postman API definitions into runnable MCP servers, making any API discoverable to AI models.

23/day 4 tools
Free

Guesty MCP server. 43 tools, all free: reservations, listings, guests, messaging, pricing, revenue.

22/day 44 tools
Free

MantisBT MCP server – manage issues, notes, files, tags, and relationships. With semantic search.

21/day 41 tools
Free

MCP server for the VesselAPI — maritime vessel tracking, port events, emissions, and navigation data

20/day 19 tools
Free

OpenAPI-to-MCP mcpfusion Server Generator. Parses OpenAPI 3.x and Swagger 2.0 specs and generates a complete, ready-to-run MCP Server with

20/day
Free

Search an Octri project's API docs and call its endpoints as tools, shaped by its SDK Studio config.

17/day 7 tools
Free
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