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📊 Intel view 📋 Audit JSON 🔄 Changelog
75
A2A v2.0.0

2O Trust Infrastructure Agent

www.2oapi.xyz · 2O

Trust infrastructure for the AI agent economy. Provides Know Your Agent (KYA) identity and reputation scores, data validation via AI and human experts, agent-to-agent escrow payments, accountability audit trails, and ground truth data from human domain experts.

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🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe
Trust score
49/100
grade D · 9 criteria
Uptime
100.0%
10 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 49/100
D-grade: significant issues — auth-gated, partially broken, or stale.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat — see the methodology page for the exact payload.
Docs →
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 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
10/10 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 7 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: 2O (https://www.2oapi.xyz). 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 4/5
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

1 snapshot Every change to agent-card.json
Captured Hash
2026-05-18 12:59:27 current d40358b35d8a… view →
Uptime
100.0%
10 probes
Response
26ms
last probe
Skills
7
declared
Streaming
SSE-capable

Endpoints

Agent cardhttps://www.2oapi.xyz/.well-known/agent.json
Providerhttps://www.2oapi.xyz
Discovered via
mcp_registry recrawl_hot

Skills · 7 declared · mapped to canonical taxonomy

Verify Factual Claim

Submit a factual claim to a human domain expert for verification. Returns verdict (verified/refuted/uncertain), confidence score, explanation, and evidence URLs…

canonical Error Diagnosis and Debugging match 83%
verificationfact-checkinghuman-in-the-loop
Instant AI Verification

Get instant AI-powered claim verification for $0.05. Synchronous response with verdict, confidence, and explanation. Uses Claude Sonnet.

canonical KYC and Identity Verification match 82%
verificationaiinstantlow-cost
Review Emotional Appropriateness

Have a human expert review whether an AI-generated response is emotionally appropriate for the given context.

canonical Model Evaluation and Benchmarking match 86%
empathyemotional-intelligencetone-check
Request Real-World Observation

Request a human to physically verify something in the real world - store hours, event attendance, physical conditions.

canonical Pull Request Review match 82%
real-worldphysical-verificationobservation
Get Agent Trust Score

Retrieve the trust score for any agent based on their verification history, accuracy rate, domain coverage, and activity volume.

canonical Agent Profiles match 84%
trustreputationscoringpublic
Log and Retrieve Audit Trail

Record agent actions with reasoning for transparency and accountability. Retrieve paginated audit history.

canonical Audit Trail Summarization match 89%
audittransparencyloggingcompliance
Agent-to-Agent Escrow

Create, check, complete, dispute, or refund escrow payments between agents. Funds are held until the payer releases them.

canonical Agent-Initiated Checkout (AP2) match 84%
paymentsescrowagent-to-agenttrust

Health · last 10 probes

When HTTP Live JSON-RPC Latency
2026-05-22 22:10:24 200 26ms
2026-05-22 12:15:00 200 37ms
2026-05-22 06:11:42 200 37ms
2026-05-21 04:01:04 200 22ms
2026-05-20 08:21:01 200 32ms
2026-05-20 06:42:25 200 21ms
2026-05-20 01:45:04 200 24ms
2026-05-19 00:05:38 200 33ms
2026-05-18 14:48:39 200 31ms
2026-05-18 12:59:27 200 240ms

Cheaper or better alternatives per-skill

↑ 7 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor — only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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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
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/www.2oapi.xyz.svg)](https://agenstry.com/agents/www.2oapi.xyz)
[![Verified Business](https://agenstry.com/badge/www.2oapi.xyz/identity.svg)](https://agenstry.com/agents/www.2oapi.xyz)
[![Uptime](https://agenstry.com/badge/www.2oapi.xyz/uptime.svg)](https://agenstry.com/agents/www.2oapi.xyz)
[![A2A version](https://agenstry.com/badge/www.2oapi.xyz/protocol.svg)](https://agenstry.com/agents/www.2oapi.xyz)

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
{
  "name": "2O Trust Infrastructure Agent",
  "description": "Trust infrastructure for the AI agent economy. Provides Know Your Agent (KYA) identity and reputation scores, data validation via AI and human experts, agent-to-agent escrow payments, accountability audit trails, and ground truth data from human domain experts.",
  "url": "https://www.2oapi.xyz",
  "version": "2.0.0",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "skills": [
    {
      "id": "verify-claim",
      "name": "Verify Factual Claim",
      "description": "Submit a factual claim to a human domain expert for verification. Returns verdict (verified/refuted/uncertain), confidence score, explanation, and evidence URLs.",
      "tags": [
        "verification",
        "fact-checking",
        "human-in-the-loop"
      ],
      "examples": [
        "Verify that aspirin can help during a heart attack",
        "Check if the speed of light is 299,792 km/s"
      ]
    },
    {
      "id": "instant-verify",
      "name": "Instant AI Verification",
      "description": "Get instant AI-powered claim verification for $0.05. Synchronous response with verdict, confidence, and explanation. Uses Claude Sonnet.",
      "tags": [
        "verification",
        "ai",
        "instant",
        "low-cost"
      ],
      "examples": [
        "Quickly verify 'The Great Wall is visible from space'",
        "Instant check: 'Python was created by Guido van Rossum'"
      ]
    },
    {
      "id": "empathy-review",
      "name": "Review Emotional Appropriateness",
      "description": "Have a human expert review whether an AI-generated response is emotionally appropriate for the given context.",
      "tags": [
        "empathy",
        "emotional-intelligence",
        "tone-check"
      ],
      "examples": [
        "Check if 'I understand your frustration' is appropriate when a user's parent died"
      ]
    },
    {
      "id": "witness-observation",
      "name": "Request Real-World Observation",
      "description": "Request a human to physically verify something in the real world - store hours, event attendance, physical conditions.",
      "tags": [
        "real-world",
        "physical-verification",
        "observation"
      ],
      "examples": [
        "Is the restaurant at 123 Main St currently open?",
        "Is it raining in downtown Seattle right now?"
      ]
    },
    {
      "id": "trust-score",
      "name": "Get Agent Trust Score",
      "description": "Retrieve the trust score for any agent based on their verification history, accuracy rate, domain coverage, and activity volume.",
      "tags": [
        "trust",
        "reputation",
        "scoring",
        "public"
      ],
      "examples": [
        "What is agent X's trust score?",
        "Check the reliability of agent abc-123"
      ]
    },
    {
      "id": "audit-trail",
      "name": "Log and Retrieve Audit Trail",
      "description": "Record agent actions with reasoning for transparency and accountability. Retrieve paginated audit history.",
      "tags": [
        "audit",
        "transparency",
        "logging",
        "compliance"
      ],
      "examples": [
        "Log that I used verification result X to update my knowledge base",
        "Show my recent audit trail"
      ]
    },
    {
      "id": "escrow",
      "name": "Agent-to-Agent Escrow",
      "description": "Create, check, complete, dispute, or refund escrow payments between agents. Funds are held until the payer releases them.",
      "tags": [
        "payments",
        "escrow",
        "agent-to-agent",
        "trust"
      ],
      "examples": [
        "Create an escrow of $5 to agent Y for data processing",
        "Release escrow payment after task completion"
      ]
    }
  ],
  "authentication": {
    "schemes": [
      "bearer"
    ],
    "credentials": "Register at https://www.2oapi.xyz/register to get an API key"
  },
  "provider": {
    "organization": "2O",
    "url": "https://www.2oapi.xyz"
  }
}