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dot bridge

by rkz211
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dot bridge

An MCP bridge your dot deploys into its own private Site. Your dot calls any HTTPS API through it: you add the service and its key on the bridge's setup page once, and from then on the dot sends requests with that key.

The bridge is only a bridge. It sends the method, path, query, headers and body your dot gives it to the service's origin, adds the saved key, and returns the response. It does not judge paths, list paths or filter names. The service at the other end decides what each request may do.

dot bridge

Start here

Related MCP server: api-mcp

Add a service

  1. Open the bridge's private page and choose New service.

  2. Enter a name, an HTTPS endpoint the bridge can GET to check the key, and the key.

  3. Choose Save & test. The key is saved when the check passes.

The default header is Authorization: Bearer <key>. Authentication options also offers X-API-Key and any custom header and prefix. The endpoint's origin becomes the service's base URL. Your dot can also prepare a service from the provider's documentation with bridge_prepare_connection; you then add the key on the page.

Cookiejar is built in. Use your account key (sites_…); the page checks it with GET /sites.

Tools

Tool

What it does

bridge_connection_info

Shows the Sites-managed sign-in status and the signed-in user ID

bridge_prepare_connection

Adds a service: origin, auth header, prefix, description

bridge_connection_status

Lists services, whether each has a key, and setup links

bridge_services

Lists services and whether each has a key

bridge_api_preview

Shows the request the bridge would send, without sending it

bridge_api_read

Sends GET or HEAD and returns the response

bridge_api_write

Sends POST, PUT, PATCH or DELETE and returns the response, recorded under a UUID operationId

bridge_api_upload

Uploads source bytes to the signed Cookiejar source URL from POST /deploy

bridge_operation_status

Shows the recorded outcome of a write

cookiejar_owned_sites

Lists the Cookiejar sites the saved key owns

cookiejar_create_site

Creates a Cookiejar site

cookiejar_deploy_site

Deploys a source ZIP to a Cookiejar site and starts the build

cookiejar_operation_status

Shows the recorded outcome of a create or deploy

Any path on the service works. There is no endpoint map to maintain: the dot reads the service's own documentation and sends the request.

How it works

  • Requests always go to the saved origin of the service named by serviceId, with the saved auth header and key. A request cannot change the origin or the auth header.

  • Redirects are returned as redirectRefused instead of followed, so the key never travels to another host.

  • The bridge removes its own saved key values from responses and errors. Everything else in the response passes through unchanged.

  • Each write is recorded under its operationId. Sending the same ID again returns the recorded result instead of repeating the write.

  • Keys are saved in the Site's own D1 database and are never shown again on the page.

  • The Site is owner-private. Sites-managed sign-in identifies the caller.

Development

Node.js 22.13 or later (Node.js 24 recommended). No runtime dependencies.

npm test
npm run check
npm run build

npm test regenerates ui.mjs from ui/ first. The build writes the Worker and its modules to dist/server/.

License

MIT. See LICENSE.

This server cannot be deployed

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Maintenance

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