Openapi vs MCP Openapi

A side-by-side look at the Openapi and MCP Openapi MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Openapi logoOpenapiDeveloper Tools · Local subprocess (stdio)Turn any OpenAPI/Swagger spec into MCP tools. Zero config, zero code.39FairAuth: not declaredMCP Openapi logoMCP OpenapiDeveloper Tools · Local subprocess (stdio)Turn any OpenAPI spec into callable MCP tools for Claude. Point at any OpenAPI 3.x spec and Claude can call every endpoint through natural language. Supports Bearer, API key, and Basic auth.39FairAuth: no auth required

Verdict: choose Openapi for developer tools work as a local process; choose MCP Openapi for developer tools as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Openapi logoChoose Openapi when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
Explore Openapi

MCP Openapi logoChoose MCP Openapi when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You have the keys it needs: OPENAPI_BEARER_TOKEN, OPENAPI_API_KEY, OPENAPI_API_KEY_HEADER, OPENAPI_BASIC_USER, OPENAPI_BASIC_PASS.
  • You want tools like list_endpoints, call_endpoint.
Explore MCP Openapi

Feature & specification comparison

Rows where the two servers differ are marked.

SpecOpenapi logoOpenapiMCP Openapi logoMCP Openapi
CategoryDeveloper ToolsDeveloper Tools
Quality signal39/100 · Fair39/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedOPENAPI_BEARER_TOKENOPENAPI_API_KEYOPENAPI_API_KEY_HEADEROPENAPI_BASIC_USEROPENAPI_BASIC_PASS
Verified ownerCommunity listingCommunity listing
GitHub stars31
Directory activity 1 views 0 installs 0 upvotes 4 views 0 installs 0 upvotes
ToolsNot listed2

Tools & capabilities

Openapi tools

No tool names declared yet. Check the project README from the listing page.

MCP Openapi tools 2

  • list_endpointsReturns all operations grouped by tag with operationIds, methods, paths, and parameters
  • call_endpointExecutes any operation by `operationId` with path/query/header/body parameters

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Openapi

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "openapi": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-openapi"
      ]
    }
  }
}

MCP Openapi

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "saurav61091-mcp-openapi": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-openapi-runner"
      ],
      "env": {
        "OPENAPI_BEARER_TOKEN": "YOUR_OPENAPI_BEARER_TOKEN_HERE",
        "OPENAPI_API_KEY": "YOUR_OPENAPI_API_KEY_HERE",
        "OPENAPI_API_KEY_HEADER": "YOUR_OPENAPI_API_KEY_HEADER_HERE",
        "OPENAPI_BASIC_USER": "YOUR_OPENAPI_BASIC_USER_HERE",
        "OPENAPI_BASIC_PASS": "YOUR_OPENAPI_BASIC_PASS_HERE"
      }
    }
  }
}

Frequently asked questions

Openapi is categorized under Developer Tools and uses a local stdio subprocess. MCP Openapi belongs to Developer Tools and uses a local stdio subprocess. Pick Openapi for developer tools work and MCP Openapi for developer tools.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Openapi has no declared pricing — check the project's own site. MCP Openapi is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add openapi and saurav61091-mcp-openapi as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Openapi has a quality signal of 39/100 (Fair) with 1 views, 0 installs and 3 GitHub stars. MCP Openapi has 39/100 (Fair) with 4 views, 0 installs and 1 GitHub stars.