Context7 MCP Server vs openapi-to-mcp

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	openapi-to-mcp Turn any OpenAPI spec into an MCP server, exposing your API endpoints as strongly typed tools. Unverified stdio (local) API key Stale C#
Category	Developer Tools	Developer Tools
Language	TypeScript	C#
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	28k	33
Last commit	2 months ago	1 year ago
Verified
Actively maintained
Install	`npx -y @upstash/context7-mcp`	`dotnet tool install --global openapi-to-mcp`
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 openapi-to-mcp if you prefer its approach (turn any openapi spec into an mcp server, exposing your api endpoints as strongly typed tools).

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 openapi-to-mcp

Install / run

dotnet tool install --global openapi-to-mcp

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

{
  "mcpServers": {
    "openapi-to-mcp": {
      "command": "openapi-to-mcp",
      "args": [
        "https://petstore3.swagger.io/api/v3/openapi.json"
      ]
    }
  }
}

FAQ

Context7 MCP Server or openapi-to-mcp — 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 openapi-to-mcp if you prefer its approach (turn any openapi spec into an mcp server, exposing your api endpoints as strongly typed tools).

Can I use both Context7 MCP Server and openapi-to-mcp?

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 openapi-to-mcp 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 openapi-to-mcp →More comparisons →