# Tang Vu Keryx MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.tang-vu%2Fkeryx
Registry id: `mcp-registry/io.github.tang-vu/keryx`
Status: live (checked 2026-10-27T04:31:05.699Z)

## Measurements (30 days)

- Uptime: 92.59%
- Checks: 4053
- Outages (90 days): 126

## Install

```json
{
  "mcpServers": {
    "tang-vu-keryx-mcp-server": {
      "type": "http",
      "url": "https://keryx.cc/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http tang-vu-keryx-mcp-server https://keryx.cc/mcp
```

## Tools (29)

- `ask_keryx`: Ask a research question (+ optional USDC budget). Returns a cited answer and the creators Keryx paid downstream. Costs 0.02 USDC per call, paid from your wallet
- `deliverable_acceptance_read`: Owner-only ordinary prepaid A2A deliverable state. Requires explicit deliverable:read. Historical remedy:none and missing response window remain visible. Native
- `deliverable_acceptance_submit`: Record Accept, Request revision or Reject for the original customer's exact retained delivery. Requires explicit deliverable:write, expected current revision/di
- `draft_check`: Split a private passage into sentences, bind citation markers ([3], cite{key}, [@key], Author (Year)) to a BibTeX, RIS or DOI/link reference list, and compare e
- `evidence_draft`: Assemble user-selected claim spans and related-work quote themes from saved Include paper records and caller-supplied retained Keryx report rows. A theme may ca
- `evidence_procurement`: Assess missing evidence requirements, supplied provider offers, selections, deliveries and caller reviews with the shared private evidence procurement contract.
- `history_export`: Same owner-private v2 contract as /api/me/asks. Explicit history:read required. Current store, bounded filters/keysets; missing membership/claims stay explicit.
- `history_owned_read`: Same owner-private v2 contract as /api/me/asks. Explicit history:read required. Current store, bounded filters/keysets; missing membership/claims stay explicit.
- `history_private_jobs_detail`: Private data for this authenticated caller only. Exact-payer completed private jobs in the current store; explicit history:read required. Bounded scan/continuat
- `history_private_jobs_export`: Private data for this authenticated caller only. Exact-payer completed private jobs in the current store; explicit history:read required. Bounded scan/continuat
- `history_private_jobs_list`: Private data for this authenticated caller only. Exact-payer completed private jobs in the current store; explicit history:read required. Bounded scan/continuat
- `history_read`: Read bounded pages of the verified API-key wallet's ordinary current-store runs. Requires explicit history:read. Literal case-sensitive question search; storeNe
- `keryx_operator_status`: Observe public prepaid research operations, queue, recorded ordinary/recovered/unknown completion latency cohorts and hold/review rationale. Timing is order cre
- `keryx_public_job_ledger`: Inspect a partial selected-network public web-dispatch transfer ledger and balanced exact micro-USDC vouchers. Browser funding and Keryx sponsorship are separat
- `keryx_purchase_outcomes`: Read a public dispatch's retained exact-version BUY/citation/payment observations. Returns bounded sample counts, citation hit rate, calibration bands and integ
- `keryx_source_learning`: Read the same bounded observational source/topic record as the public creator page and API. Only write-time independently classified/funded outside observations
- `keryx_status`: Describe this MCP surface, its payment behavior, and the active caller tier.
- `keryx_wallet_status`: Show the wallet this server pays from — address, balances, whether it's ready, and how to fund it. Run this first.
- `operator_obligations_read`: Read a private conservative obligation projection for the exact server-delegated reader with explicit operator:read API-key scope. Disabled without protected re
- `paper_lookup`: Find paper titles, recorded contributors, DOI and exact repository versions without research or payment. Default: retained catalog metadata with observation tim
- `profile_identities_read`: Read only the verified key owner's saved ORCID/GitHub identities. Requires explicit profile:read scope. No wallet selector, provider OAuth, linking, unlinking, 
- `profile_read`: Read the verified key owner's private profile and attributed activity. Requires explicit profile:read scope. No public identity, research or payment.
- `profile_update`: Replace the verified key owner's private display name, handle, one-line bio/purpose and links. Requires explicit profile:write scope. No wallet selector or iden
- `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, t
- `research_feedback_read`: Original-caller private opinion on the exact delivered ordinary research answer. Requires its private bearer capability; a public report ID or link grants no au
- `research_feedback_submit`: Original-caller private opinion on the exact delivered ordinary research answer. Requires its private bearer capability; a public report ID or link grants no au
- `research_monthly`: Read the four-request, 30-day Research Monthly quote and handoff. The current quote identifies its payment network. Never buys or redeems a plan.
- `run_owner_export`: Owner-private current-store read using the verified key's explicit history:read scope. No wallet selector or signing. Visibility, defaults and erasure require t
- `run_privacy_read`: Owner-private current-store read using the verified key's explicit history:read scope. No wallet selector or signing. Visibility, defaults and erasure require t

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.