# Domduck MCP server

Domain reputation over time: Domain Rating, Tranco rank, TLS, and AI crawler policy.

## Links
- Registry page: https://www.getdrio.com/mcp/com-domduck-domduck
- Website: https://domduck.com

## Install
- Endpoint: https://domduck.com/api/mcp
- Auth: Auth required by registry metadata

## Setup notes
- Remote header: Authorization (required; secret)
- The upstream registry signals required auth or secrets.
- Remote endpoint: https://domduck.com/api/mcp
- Header: Authorization
- Remote endpoint: https://domduck.com/api/mcp/public

## Tools
- lookup_domain (Look up one domain) - Public reputation snapshot for one domain from Domduck's store: Domain Rating, Tranco rank, OpenPageRank, registration date, TLS certificate state and AI crawler policy. Returns hasReading false for a domain nobody has looked up yet, which is a real answer and not an error. One domain per call, and no history: the dated series is what a Domduck account is for. Endpoint: https://domduck.com/api/mcp/public
- get_ai_crawler_policy (Get AI crawler policy) - Which of the eight tracked AI crawlers a domain's robots.txt admits, and whether it publishes an llms.txt. Three states per agent: allowed, disallowed, unspecified. Unspecified is NOT allowed, because a catch-all Disallow blocks an agent the file never names, so read `effective` for what is in force. Reads the last stored reading; it does not fetch the file. Endpoint: https://domduck.com/api/mcp/public
- list_sources (List data sources) - What Domduck reads and what each source means, including the eight AI crawlers whose robots.txt policy is tracked. A constant. Read it first: it is what lets a model interpret lookup_domain without guessing at field names or at which direction is better. Endpoint: https://domduck.com/api/mcp/public

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: com.domduck
- Version: 1.0.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Aug 3, 2026
- Source: https://registry.modelcontextprotocol.io