# keryx MCP server

Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-tang-vu-keryx
- Repository: https://github.com/tang-vu/keryx
- Website: https://keryx.cc

## Install
- Command: `npx -y keryx-mcp`
- Endpoint: https://keryx.cc/mcp
- Auth: Not captured

## Setup notes
- Package: Npm keryx-mcp v0.1.1
- Remote endpoint: https://keryx.cc/mcp

## Tools
- research (Research with Keryx) - Research a question under a USDC creator-payment budget. Keryx selects sources, pays access tolls and weighted citation rewards, then returns a grounded answer and receipt. Endpoint: https://keryx.cc/mcp
- keryx_status (Keryx remote MCP status) - Describe this MCP surface, its payment behavior, and the active caller tier. Endpoint: https://keryx.cc/mcp

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: io.github.tang-vu
- Version: 0.2.0
- Runtime: Npm
- Transports: STDIO, HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Jul 27, 2026
- Source: https://registry.modelcontextprotocol.io