RemoteFree server, account needed

Volley MCP server

sh.volley/volley

Write, check, render and save sequence diagrams with the request and response on every arrow.

Install Volley in Claude Code

Claude Code
claude mcp add --transport http volley https://volley.sh/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "volley": {
      "url": "https://volley.sh/mcp"
    }
  }
}

Frequently asked questions

What does the Volley MCP server do?

Write, check, render and save sequence diagrams with the request and response on every arrow.

Is the Volley MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Volley run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Volley to Claude Code?

Run: claude mcp add --transport http volley https://volley.sh/mcp

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