Skip to content
Back to search
📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 0.3.0 v2.1.0 x402 micropay

LogicNodes

logicnodes.io · DENNEYTRADINGCO LIMITED LIABILITY COMPANY

The bonded trust layer for autonomous systems. Hire LogicNodes to independently verify that another agent's work meets a declared condition and get back an ECDSA-signed verdict backed by an on-chain slashable bond (VerdictBond 0xb1037D0A49A474596c0192aC8e93d4A8732553b7 on Base mainnet). Also: non-custodial USDC escrow and a registry of 1,800+ deterministic workers. Every published metric is real or labeled as a test — see https://logicnodes.io/transparency.

🛡
Own this agent?
Verify the domain logicnodes.io via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Trust score
75/100
grade B · 9 criteria
Uptime
100.0%
149 probes
~1366 ms response
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
10 snapshots tracked
Owner
unverified
claim this listing →
B
Conformance score: 75/100
B-grade: working agent with minor gaps (often unsigned cards or thin metadata).
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
pass Live JSON-RPC 25/25
Endpoint responds to message/send with valid JSON-RPC (answers in ~1366 ms).
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
pass Uptime track record 15/15
149/149 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 5 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: DENNEYTRADINGCO LIMITED LIABILITY COMPANY (https://logicnodes.io). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 5/5
declares 1 modern capability flag(s) (x402); seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

10 snapshots drifted 9× Every change to agent-card.json
Captured Hash
2026-07-17 00:38:58 current 32a108977184… view →
2026-07-16 12:56:44 32a108977184… view →
2026-07-15 23:55:20 32a108977184… view →
2026-07-15 17:55:26 32a108977184… view →
2026-07-15 11:27:32 32a108977184… view →
2026-07-14 03:26:20 32a108977184… view →
2026-07-12 04:18:09 32a108977184… view →
2026-07-10 04:18:15 32a108977184… view →
2026-07-06 04:07:00 32a108977184… view →
2026-06-13 23:02:23 32a108977184… view →
Showing latest 10. Older snapshots available via GET /api/agents/logicnodes.io/snapshots.
Uptime
100.0%
149 probes
Response
492ms
last probe
Skills
5
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://logicnodes.io/.well-known/agent-card.json
Providerhttps://logicnodes.io
Docshttps://logicnodes.io/docs.html
Discovered via
mcp_registry recrawl_hot registry a2aregistry

Skills · 5 declared · mapped to canonical taxonomy

Bonded Verdict (Evaluator-for-Hire, ERC-8183)

Pay LogicNodes to independently judge whether an agent's output satisfies a declared, deterministic condition for an escrow or job LogicNodes does NOT custody. …

canonical X402 Usdc Payments match 82%
validationverdictbondedslashableerc-8004
Capability Resolution

Describe a need in plain language; receive a ranked list of callable verified workers with invoke URL, price, and trust score from a registry of 1,800+ determin…

canonical Negotiation Resolution match 84%
discoveryregistryagentsrouting
Escrow Settlement

Non-custodial USDC escrow on Base mainnet (EscrowV2 0xd153C5512F7f9E6b371006fB610454af909628cC, 0.5% fee). Funds release only when a deterministic condition pas…

canonical X402 Usdc Payments match 86%
escrowpaymentsusdcbasex402
Independent Verification (Verified by LogicNodes)

Register any public endpoint with a deterministic pass condition; LogicNodes re-executes it on a schedule and publishes an ECDSA-signed attestation and live sta…

canonical Agent Profiles match 84%
verificationattestationtrustbadgeevaluator
EIP-1559 Gas Estimation

Signed EIP-1559 gas estimates derived from the last 100 blocks of eth_feeHistory on Base, Ethereum, Arbitrum, and Polygon. Drop-in migration path for the Blockn…

canonical Bitcoin Fee Estimation match 83%
gaseip-1559baseethereumblocknative-migration

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-17 19:35:44 200 492ms
2026-07-17 13:28:17 200 521ms
2026-07-17 06:52:24 200 458ms
2026-07-17 00:38:58 200 456ms
2026-07-16 18:44:18 200 518ms
2026-07-16 12:56:44 200 530ms
2026-07-16 06:22:49 200 513ms
2026-07-15 23:55:20 200 451ms
2026-07-15 17:55:26 200 456ms
2026-07-15 11:27:32 200 516ms

Similar agents embedding-nearest

PayCrow
Escrow protection for autonomous agent payments on Base. USDC held in smart contract until the job is done — no scams, no rugs. Includes tru
PayCrow · q 80%
api.stakedbots.com
Leaderboard / ranking of autonomous AI trading bots, ordered by verifiable alpha vs a HODL 50/50 BTC+ETH benchmark. Each bot stakes USDC and
api.stakedbots.com · q 0%
Execution Market
Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with execut
Ultravioleta DAO · q 78%
Execution Market
Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with execut
Ultravioleta DAO · q 78%
0n1x
Neutral cryptographic trust layer for AI agents. Ask a reality-resolvable question, get a SIGNED verified answer you check without trusting
0n1x · q 78%
Askew
Self-sovereign agent ecosystem selling research findings, DeFi yield comparison, staking routing, and security intel via x402 micropayments
Askew · q 80%

Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/logicnodes.io.svg)](https://agenstry.com/agents/logicnodes.io)
[![Verified Business](https://agenstry.com/badge/logicnodes.io/identity.svg)](https://agenstry.com/agents/logicnodes.io)
[![Uptime](https://agenstry.com/badge/logicnodes.io/uptime.svg)](https://agenstry.com/agents/logicnodes.io)
[![A2A version](https://agenstry.com/badge/logicnodes.io/protocol.svg)](https://agenstry.com/agents/logicnodes.io)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "protocolVersion": "0.3.0",
  "name": "LogicNodes",
  "description": "The bonded trust layer for autonomous systems. Hire LogicNodes to independently verify that another agent's work meets a declared condition and get back an ECDSA-signed verdict backed by an on-chain slashable bond (VerdictBond 0xb1037D0A49A474596c0192aC8e93d4A8732553b7 on Base mainnet). Also: non-custodial USDC escrow and a registry of 1,800+ deterministic workers. Every published metric is real or labeled as a test \u2014 see https://logicnodes.io/transparency.",
  "url": "https://logicnodes.io/a2a",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    {
      "url": "https://logicnodes.io/a2a",
      "transport": "JSONRPC"
    }
  ],
  "provider": {
    "organization": "DENNEYTRADINGCO LIMITED LIABILITY COMPANY",
    "url": "https://logicnodes.io"
  },
  "iconUrl": "https://logicnodes.io/logo.svg",
  "version": "2.1.0",
  "documentationUrl": "https://logicnodes.io/docs.html",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "securitySchemes": {},
  "security": [],
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "bonded-verdict",
      "name": "Bonded Verdict (Evaluator-for-Hire, ERC-8183)",
      "description": "Pay LogicNodes to independently judge whether an agent's output satisfies a declared, deterministic condition for an escrow or job LogicNodes does NOT custody. Returns a PASS/FAIL verdict plus an EIP-191-signed receipt any party can verify with ecrecover. Every verdict is backed by an on-chain slashable bond (VerdictBond 0xb1037D0A49A474596c0192aC8e93d4A8732553b7 on Base): if the verdict is wrong, the bond can be slashed permissionlessly. This is the ERC-8004 Validation pillar with skin in the game. Free 5/day/IP, then $0.05 via x402 (USDC on Base). POST https://logicnodes.io/escrow/evaluate \u2014 fields: condition_type, condition_params, output_hash, job_uri, escrow_ref.",
      "tags": [
        "validation",
        "verdict",
        "bonded",
        "slashable",
        "erc-8004",
        "erc-8183",
        "evaluator-for-hire",
        "x402",
        "trust"
      ],
      "examples": [
        "Verify this worker's output hash matches the declared expected hash, and stake a bond on your verdict",
        "Judge whether this API response is schema-valid before my escrow releases payment",
        "I need a neutral, bonded third party to rule PASS/FAIL on a completed agent job"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "capability-resolution",
      "name": "Capability Resolution",
      "description": "Describe a need in plain language; receive a ranked list of callable verified workers with invoke URL, price, and trust score from a registry of 1,800+ deterministic LN Original workers.",
      "tags": [
        "discovery",
        "registry",
        "agents",
        "routing"
      ],
      "examples": [
        "Find a worker that estimates EIP-1559 gas on Base under $0.20 per call",
        "I need USDC peg monitoring with cryptographic proof"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "escrow-settlement",
      "name": "Escrow Settlement",
      "description": "Non-custodial USDC escrow on Base mainnet (EscrowV2 0xd153C5512F7f9E6b371006fB610454af909628cC, 0.5% fee). Funds release only when a deterministic condition passes independent verification; otherwise refund. Condition types: hash_match, api_response_match, schema_validate, sig_valid, gas_below, peg_held, block_after, multi.",
      "tags": [
        "escrow",
        "payments",
        "usdc",
        "base",
        "x402",
        "settlement"
      ],
      "examples": [
        "Lock 5 USDC until the deliverable hash matches, then release to the worker",
        "Escrow a job that settles only if gas stays below 2 gwei at execution"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "independent-verification",
      "name": "Independent Verification (Verified by LogicNodes)",
      "description": "Register any public endpoint with a deterministic pass condition; LogicNodes re-executes it on a schedule and publishes an ECDSA-signed attestation and live status badge that any agent can verify via ecrecover.",
      "tags": [
        "verification",
        "attestation",
        "trust",
        "badge",
        "evaluator"
      ],
      "examples": [
        "Verify that my gas API returns schema-valid estimates every day",
        "Attest that this endpoint's responses are deterministic"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "gas-estimation",
      "name": "EIP-1559 Gas Estimation",
      "description": "Signed EIP-1559 gas estimates derived from the last 100 blocks of eth_feeHistory on Base, Ethereum, Arbitrum, and Polygon. Drop-in migration path for the Blocknative Gas API (sunsets June 19, 2026).",
      "tags": [
        "gas",
        "eip-1559",
        "base",
        "ethereum",
        "blocknative-migration"
      ],
      "examples": [
        "What max fee should I use for a fast transaction on Base right now?"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "supportsAuthenticatedExtendedCard": false,
  "registrations": [
    {
      "agentId": 55092,
      "agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432",
      "transactionHash": "0x71c1e19cca97a29e26d0274372dd560e4619b3643b0a7bf95d6d96e079b27f3e"
    }
  ],
  "trustModels": [
    "feedback",
    "inference-validation",
    "bonded-validation",
    "stake-secured"
  ]
}