MCP serverio.github.tang-vu/keryx

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

UNRATEDActivestreamable-httpkeryx.cc

Overview

Score?

UNRATED 0.647

of what a free look can see, on 32 looks

Looks

last 13 hr ago

Tools

changed 13 hr ago

URL

keryx.cc/mcp

streamable-http

Says it is

keryx 0.2.0

protocol 2025-06-18

In the record since

32 days ago

0median 0.606 · this server 0.647 · highest on record 0.8561

The tools this server lists, read out of the definition it returned
Tool	Schema
keryx_status Describe this MCP surface, its payment behavior, and the active caller tier.	input · no output
research Research a question under a USDC creator-payment budget. Keryx selects sources, pays access tolls and weighted citation rewards on the configured Arc network, then returns qualifie	input · no output
research_monthly added Read the four-request, 30-day Arc-testnet Monthly quote and handoff. Never buys or redeems a plan.	input · no output

Verify it yourselfnpx teppi-check https://keryx.cc/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M1FZ2NE7S3J2HERNY33X7X7M