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Swagger MCP Server

answering

Swagger MCP is answering right now. Last checked 9 min ago. Last commit 17 Sep 2026.

MCP server for AI access to Swagger by SmartBear.

Uptime history 38 days of history · worst day 98%
38 days agonow
98.9%
Uptime 24h
90 of 91 checks
Tools
hidden behind auth
433 ms
Response time
average over 24h
44
Stars
last commit 17 Sep 2026

What the code does

We read the source, 20 h ago · rules 3dff92dd89df

In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

      - name: Create/Update GitHub Release
        if: ${{ env.RUN_PUBLISH_MCPB == 'true' }}

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Swagger MCP missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

run in your terminal
claude mcp add swagger-mcp --transport http https://swagger.mcp.smartbear.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "swagger-mcp": {
      "url": "https://swagger.mcp.smartbear.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.swagger-mcp]
url = "https://swagger.mcp.smartbear.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "swagger-mcp": {
      "url": "https://swagger.mcp.smartbear.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "swagger-mcp": {
      "url": "https://swagger.mcp.smartbear.com/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://swagger.mcp.smartbear.com/mcp streamable-http sign-in 425 ms 9 min ago

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Swagger MCP — questions

Answers built from our own checks of this server.

Why is there no tool list for Swagger MCP?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 98.9% of checks in the last 24 hours got a reply.
Is Swagger MCP working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 91 checks got a reply (98.9%), average response time 433 ms. The bar chart above shows every period we have measured.
How do I connect Swagger MCP?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Swagger MCP?
No API key is involved. Swagger MCP answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Swagger MCP?
It answers our handshake in 433 ms on average, which is faster than 34% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Swagger MCP open source?
Yes — it is published under the MIT licence, written in TypeScript, 44 stars on GitHub and 13 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.