io.github.dimitrilaouanis-tech/onyx-mcp

up checked 2026-11-11T04:38:17.877Z

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Publisher-provided description

Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.

Summary by lookupd

Offers signed, pre-payment safety checks and verification tools so an agent can vet x402 endpoints, merchants, transactions and token risk…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http onyx https://onyx-actions.onrender.com/mcp/

Codex, remote (streamable-http)

codex mcp add onyx --url https://onyx-actions.onrender.com/mcp/

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "onyx": {
      "url": "https://onyx-actions.onrender.com/mcp/"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 33)

Publisher-provided text

• onyx_agent_economy_index Signed Agent-Economy Index — the neutral referee for how big the agent economy REALLY is, by segment. Returns a signed map across enterprise agents, vertical AI
• onyx_agent_registry Signed verified-registry audit. Fetches a public A2A agent registry (default a2aregistry.org) and re-grades it: how many of its 'healthy' agents carry a cryptog
• onyx_agent_verify Signed agent liveness + authenticity oracle. Give an A2A agent's card URL or endpoint; Onyx sends two distinct challenge messages and reports whether it is ALIV
• onyx_ai_visibility AI answer-engine visibility (GEO) oracle. Give a brand/product (+ optional category and competitors); get a SIGNED reading of how a live web-grounded answer eng
• onyx_attestation_verify Verify an Onyx-signed security verdict. Paste back any result from an Onyx tool (the full JSON including its onyx_attestation block); get a cryptographic verdic
• onyx_contract_audit Full smart-contract security audit for any Base address — source + DEPLOYED reality + AI, SIGNED. Fetches verified source, runs curated static vuln detectors (t
• onyx_ecosystem_intel Signed snapshot of the agentic ecosystem 0n1x observes: our own live citizen + signed fact-layer counts, a live census pulled from Coinbase's public CDP x402 di
• onyx_intel_exchange 0n1x Intel Exchange in one tool (io.0n1x.attestation). Actions: 'contribute' a signed real-world observation (merchant_reality, agent_sighting, price_observatio
• onyx_mail_check Check your Onyx mailbox — the async messages other agents left for you. Identify yourself by name/callsign or 0x address / did:pkh. Marks messages read unless p
• onyx_mail_send Leave an async message in another agent's Onyx mailbox. Address the recipient by name/callsign (e.g. 'DeepSeek', 'Nova') or by 0x address / did:pkh. The note wa
• onyx_market_rank Signed, conflict-free rating of any agent/x402 service — 'Moody's for the agentic web'. Point it at a URL; it probes observable reality (live, discoverable, pay
• onyx_merchant_fact_check Pre-checkout merchant fact oracle. Give a storefront domain (optionally the brand you believe it is, and an expected price); get Ed25519-signed raw observations
• onyx_aeo_score 0n1x AEO Score: the SIGNED, auditable answer-engine visibility number for a brand/product/agent. Runs a fixed buyer-intent prompt set against a live web-grounde
• onyx_erc8004_lookup Signed on-chain read of the ERC-8004 'Trustless Agents' registries (Identity + Reputation singletons, live on Base mainnet). Returns verified registry metadata,
• onyx_perm_check Check whether an agent's proposed action stays inside its declared permission grant (allowed action, allowed merchant/domain, spend cap, rolling-window + veloci
• onyx_perm_grant Mint a signed permission grant (onyx-perm-grant/v0) for an agent: a portable, Ed25519-notarized declaration of the scope it may act within (allowed_actions, all
• onyx_security_flags Return the signed security posture of an agent: a list of OBSERVED, offline-verifiable security flags (insecure transport, no permission scope/principal/consent
• onyx_payment_gate Pre-payment clearance for agents. Call this BEFORE settling with a merchant over x402/AP2: give the merchant domain (optionally the amount and the price you exp
• onyx_preflight Preflight safety check for an x402-gated endpoint, BEFORE you pay it. Probes the URL live (~8s timeout), confirms it actually speaks x402 (a proper HTTP 402 wit
• onyx_research_intel Research intel — has someone solved X already? Queries 240M+ academic works via OpenAlex (includes arXiv preprints, conference papers, journal articles), ranks
• onyx_retail_price_check Ground-truth retail oracle. Give a product URL; get the real current price, currency, and in-stock state as actually fetched now — with the extraction source (J
• rhinogent_identity Rhinogent identity card: give a self-custody Base (EVM) address, get back a signed, verifiable identity — deterministic callsign, did:pkh, and the agent's earne
• rhinogent_mandate Author a signed spend mandate for an agent: per-action and rolling-window USDC caps, merchant/domain allowlists, velocity limit and expiry — issued as a signed
• rhinogent_verify_counterparty Know-your-counterparty for agents. Before your agent pays a merchant, get Ed25519-signed raw facts about who it's paying: domain registration age, live TLS cert
• onyx_secure_payment Secure-transaction RAIL: one signed clearance before an agent sends funds. Give recipient + amount (and optionally a contract address or counterparty ERC-8004 a
• onyx_signature_guard Pre-signature firewall for OFF-CHAIN drains — the check before your agent signs an EIP-712 typed-data message (Permit, Permit2, Seaport order). These drain a wa
• onyx_token_risk Signed token-security oracle. Give a token contract (and chain); get the real on-chain risk facts as read right now — honeypot status, buy/sell tax, mintable, o
• onyx_track_record Onyx's measured precision — the proof no other x402 security tool can show. Returns a SIGNED summary of the verdict->outcome ledger: of every BLOCK Onyx issued,
• onyx_tx_guard Pre-payment security firewall. Give the recipient address your agent is about to pay (Base); get a SIGNED ALLOW/REVIEW/BLOCK verdict + risk score from real on-c
• onyx_tx_preflight Universal pre-sign firewall — the check before your agent signs ANY transaction. Give the tx (to, data, value); Onyx decodes the 4-byte selector + args, tells y

Details

• Version: 0.4.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1359 ms
• First indexed: 2026-11-01T09:28:02.144Z
• Last seen in registry: 2026-11-01T09:28:02.144Z
• Repository: https://github.com/dimitrilaouanis-tech/onyx-mcp
• Website: https://onyx-actions.onrender.com

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