Provides coding agents with current library documentation and version-aware code examples.
MCP Servers
Connect agents to tools and data through the Model Context Protocol
Docs & knowledge★ 60.8k
Developer tools★ 4.5k
Callstack's cross-platform app automation toolkit drives mobile, TV, web, and desktop apps through a stdio MCP server, CLI, and typed TypeScript API while collecting screenshots, logs, network, and performance evidence.
Cloud & DevOps★ 2.0k
Azure DevOps MCP Server lets MCP-capable agents read and operate on Azure DevOps projects, work items, repositories, pipelines, test plans, wikis, and Advanced Security data.
Security★ 369
OpenAI's self-hosted client for connecting private or localhost MCP servers to ChatGPT, Codex, the Responses API, and AgentKit through Secure MCP Tunnel without exposing the MCP listener to the public internet.



