DirectoryMCP serversPayments & finance

keryx: MCP server (Payments & finance) in 2026

Budgeted research with cited evidence and visible payment state on the selected Arc network.

Verified working on 2026-10-27 Rank 51 of 77 in Payments & finance. Source: MCP Registry record, checked 2026-10-27.

Key facts

TypeMCP server, remote (streamable HTTP)
CategoryPayments & finance
Endpointhttps://keryx.cc/mcp
Registry nameio.github.tang-vu/keryx
Version (registry)0.4.41
Published in registry2026-10-26
Registry record updated2026-10-26
Repositoryhttps://github.com/tang-vu/keryx (mcp)
Websitehttps://keryx.cc
AuthenticationNone needed for initialize and tools/list (checked anonymously)
Latest checkUp on 2026-10-27, 1572 ms to initialize
Tools listed27
Checks passed1 of 1 daily checks
Last verified working2026-10-27
Sourcehttps://registry.modelcontextprotocol.io/v0/servers/io.github.tang-vu%2Fkeryx/versions/latest (pulled 2026-10-27)

Tools (27)

evidence_draft, research_feedback_read, research_feedback_submit, draft_check, evidence_procurement, deliverable_acceptance_read, deliverable_acceptance_submit, operator_obligations_read, paper_lookup, research, keryx_status, research_monthly, keryx_operator_status, keryx_public_job_ledger, keryx_purchase_outcomes, keryx_source_learning, profile_read, profile_update, history_read, history_owned_read, history_export, history_private_jobs_list, history_private_jobs_detail, history_private_jobs_export, run_privacy_read, run_owner_export, profile_identities_read

Verification history

One probe a day: initialize, then tools/list, nothing else. Last 1 checks: 10-27 up

Install

Claude Code
claude mcp add --transport http keryx https://keryx.cc/mcp
Claude (claude.ai, Desktop)

Settings > Connectors > Add custom connector. Name: keryx. URL: https://keryx.cc/mcp

Cursor
{
  "mcpServers": {
    "keryx": {
      "url": "https://keryx.cc/mcp"
    }
  }
}

Save as ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

ChatGPT

Settings > Connectors > Advanced > Developer mode, then Create. Name: keryx. MCP server URL: https://keryx.cc/mcp. Authentication: No authentication.

Custom connectors need a plan with Developer mode; menu names change between releases.

Hermes Agent
mcp_servers:
  keryx:
    url: "https://keryx.cc/mcp"

Add to ~/.hermes/config.yaml, then run /reload-mcp.

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