# Stack Overflow MCP Server

This MCP server brings Stack Overflow questions, answers, and comments into AI clients when a coding issue needs community-backed context.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 26
- Author: StackExchange
- License: not stated · policy=link-only · description only; the file stays with the author
- Source: https://github.com/StackExchange/Stack-MCP
- Updated: 2025-12-10
- HTML: https://affpapa.org/en/nevibecode/mcp/stack-overflow-mcp-server

## What it 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.

## Requirements
- Remote server: `https://mcp.stackoverflow.com`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http mcp https://mcp.stackoverflow.com
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add stack-overflow-mcp-server --url https://mcp.stackoverflow.com
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "stack-overflow-mcp-server": {
            "url": "https://mcp.stackoverflow.com"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "stack-overflow-mcp-server": {
            "type": "http",
            "url": "https://mcp.stackoverflow.com"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http stack-overflow-mcp-server https://mcp.stackoverflow.com
```

## When to use it
- 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
- Search Stack Overflow for solutions to the error in `app.log` and 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.

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