Stack Overflow MCP Server — Claude Code MCP server
This MCP server brings Stack Overflow questions, answers, and comments into AI clients when a coding issue needs community-backed context.
claude mcp add --transport http mcp https://mcp.stackoverflow.comWhat Stack Overflow MCP Server does
Stack Overflow MCP Server connects an MCP client to Stack Overflow’s technical knowledge. An agent can search for relevant questions, fetch complete discussion threads, and use accepted answers and comments while working through a coding problem.
The service uses OAuth with an existing Stack Overflow account and works with Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, and other MCP-compatible clients. It is still a beta server with a limit of 100 calls per user per day, so repeated research requests can reach that cap.
What it helps with
- find answers to a specific coding error
- compare solutions for a library issue
- retrieve a thread with its accepted answer
- inspect comments below a technical solution
Example prompts for the agent
- Search Stack Overflow for solutions to the error in
app.logand compare the accepted answers. - Find a Stack Overflow thread about this library issue and include the comments.
- Check my API approach against related Stack Overflow questions and answers.
How to install Stack Overflow MCP Server
Platform CLI: remote server
claude mcp add --transport http mcp https://mcp.stackoverflow.comPlatform CLI: remote server
codex mcp add stack-overflow-mcp-server --url https://mcp.stackoverflow.comConfig file
{
"mcpServers": {
"stack-overflow-mcp-server": {
"url": "https://mcp.stackoverflow.com"
}
}
}Config file
{
"servers": {
"stack-overflow-mcp-server": {
"type": "http",
"url": "https://mcp.stackoverflow.com"
}
}
}Platform CLI: remote server
gemini mcp add -t http stack-overflow-mcp-server https://mcp.stackoverflow.comStep by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more
Questions about Stack Overflow MCP Server
How do I install Stack Overflow MCP Server in Claude Code?
Run claude mcp add --transport http mcp https://mcp.stackoverflow.com.
What does Stack Overflow MCP Server do?
It searches Stack Overflow questions and answers, retrieves full threads with accepted solutions and comments, and makes that context available to an AI client.
What does Stack Overflow MCP Server require?
You need an MCP-compatible client and a Stack Overflow account. OAuth handles the connection, and the beta server allows 100 calls per user per day.
