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 4 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 6 months 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 9 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.