Context7 MCP Server vs Selvage

A side-by-side comparison of two Developer Tools servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Context7 MCP Server Up-to-date, version-specific library documentation injected into your coding agent. Verified stdio (local) API key TypeScript	Selvage AI-powered code review automation: analyzes Git diffs to find bugs, security issues, and quality improvements. Unverified stdio (local) API key Python
Category	Developer Tools	Developer Tools
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	28k	34
Last commit	2 months ago	1 month ago
Verified
Actively maintained
Install	`npx -y @upstash/context7-mcp`	`uv tool install selvage`
Repo	Open	Open

Verdict

Pick Context7 MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Pick Selvage if you prefer its approach (ai-powered code review automation: analyzes git diffs to find bugs, security issues, and quality improvements).

Add Context7 MCP Server

Install / run

npx -y @upstash/context7-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "context7-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp"
      ],
      "env": {
        "CONTEXT7_API_KEY": "<optional-your-context7-api-key>"
      }
    }
  }
}

Add Selvage

Install / run

uv tool install selvage

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "selvage": {
      "command": "uvx",
      "args": [
        "selvage",
        "mcp"
      ],
      "env": {
        "OPENROUTER_API_KEY": "your_openrouter_api_key_here"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

Context7 MCP Server or Selvage — which is better?

Pick Context7 MCP Server if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option. Pick Selvage if you prefer its approach (ai-powered code review automation: analyzes git diffs to find bugs, security issues, and quality improvements).

Can I use both Context7 MCP Server and Selvage?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Context7 MCP Server and Selvage work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Context7 MCP Server →View Selvage →More comparisons →