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Publishing a server

Got a working bank2ai server for a bank or fintech? Here's how to ship it through the marketplace so any Claude Code user can install it.

Prerequisites​

  • Your server registers the tools defined by the spec. Run the drift test, it should pass.
  • Your server has a stable entry point, a CLI or python -m invocation, ideally a single command.
  • A short README explaining what the server is for, who it's for, and how authentication works.

Package as a Claude Code plugin​

Follow the Claude Code plugin format. At minimum your plugin needs:

bank2ai-yourbank/
├── plugin.json          # plugin manifest
└── server/              # your server's source or installer

Example plugin.json:

{
  "name": "bank2ai-yourbank",
  "version": "0.1.0",
  "description": "bank2ai MCP server for Acme Bank",
  "type": "mcp-server",
  "implements": ["bank2ai/0.1"],
  "command": "uv",
  "args": ["run", "bank2ai-yourbank"],
  "homepage": "https://github.com/your-org/bank2ai-yourbank"
}

The implements field tells the registry which bank2ai version your server speaks; this is what lets skills declare compatibility.

Submit to the registry​

  1. Fork bank2ai/marketplace.
  2. Add an entry pointing at your published plugin.
  3. Open a pull request. CI re-runs your drift test and validates plugin.json.

Once merged, your server is discoverable as bank2ai/yourbank and installable via /plugin install bank2ai/yourbank.

What we look for in a review​

  • Spec compliance. Drift test passes.
  • Honest scope. The README clearly states which markets, account types, and currencies are supported.
  • Sensible authentication. No hardcoded credentials shipped in the plugin; documented setup for users.
  • Maintainership. A maintainer named in the manifest who can be reached when something breaks.