MCP Servers

Connect agents to tools and data through the Model Context Protocol

MCP

MCP Toolbox for Databases

googleapis/mcp-toolbox
Databases★ 16.3k

Google's open-source database MCP server and custom-tool framework connects many databases to MCP clients while letting operators constrain agent actions through prebuilt or parameterized tools.

stdioStreamable HTTPGemini CLIClaude Code
MCP

Secure MCP Tunnel client

openai/tunnel-client
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.

stdioStreamable HTTPChatGPTCodex