What is a #oss MCP server?
An MCP server tagged #oss implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access oss-related tools, data, or APIs.
3 #oss MCP Servers & Clients
Every MCP server and client below is tagged #oss — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to oss tools.
All
Byakugan: Private, open-source AI-text checker
JayOfemi
A private, open-source AI-text checker, as a browser app and an MCP server, all on your own machine.
Added 28 days ago
PM
pgEdge MCP Server for Postgres
pgedge
The pgEdge Postgres Model Context Protocol (MCP) server enables SQL queries against PostgreSQL databases through MCP-compatible clients like Claude Desktop. The Natural Language Agent provides supporting functionality that allows you to use natural language to form SQL queries.
Added 6 months ago
X
Xmp4
0ics-srls
Semantic code knowledge for your stack. Hosted MCP over 800+ pre-indexed OSS libraries (C#, Java, TS, Python, Rust, PHP+). 17 SCIP-backed tools for real source, callers, usages, tests, and hierarchies — one call each, free.
Added 3 months ago
Frequently asked questions
Common questions about MCP servers and clients tagged #oss
How many #oss MCP servers and clients are there?
mcp.so currently lists 3 MCP servers and clients tagged #oss.
How do I install a #oss MCP server?
Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.