A2A live JSON-RPC A2A 0.3.0 v1.0.0 x402 micropay

828 Trust · A2A Knowledge Agent

828-a2a-influencer.caoviedoc.workers.dev

Educational agent on counterparty trust, x402 and verification for autonomous agent commerce. Non-custodial; no guarantees, unsolicited messages, or transactions.

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Compare public evidence

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Trust score

55/100

grade D · 9 criteria

Uptime

not measured

no direct probes in 30d

Observed inflow · 30d

—

no payment wallet declared

Dispute or improve this rating

D

Conformance score: 55/100

D-grade: significant issues, auth-gated, partially broken, or stale.

click to expand breakdown ▾ click to collapse breakdown ▴

pass Valid AgentCard 10/10

Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).

pass Live JSON-RPC 25/25

Endpoint responds to a negotiated A2A SendMessage probe.

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"` (Major.Minor, no patch number — §3.6) to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.

Docs →

info JWS signature 0/10

Card is unsigned (most published agents are).

info Uptime track record 0/15

Only 0 probes so far, need ≥5 for an uptime grade.

pass Skill declaration 10/10

Declares 3 skills with structured metadata.

fail Verified Identity 0/10

No provider organisation declared. Anonymous agent.

            How to earn +10 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

Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

Activity (audit trail)

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

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. 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

Agent card snapshots
Captured	Hash	Snapshot
2026-10-16 22:27:05 current	`b557986c06e2…`	view →

Uptime

not measured

0 direct probes · 30d

Response

—

no direct probe retained

Skills

declared

Streaming

—

SSE-capable

Try it

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

Endpoints

Agent card https://828-a2a-influencer.caoviedoc.workers.dev/a2a/message:send

Discovered via

a2aregistry

Health · last 0 probes

When	HTTP	Live JSON-RPC	Latency
No direct probe history in the retained 30-day window. Upstream catalogue observations do not count as uptime probes.

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Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/828-a2a-influencer.caoviedoc.workers.dev.svg)](https://agenstry.com/agents/828-a2a-influencer.caoviedoc.workers.dev)
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[![Uptime](https://agenstry.com/badge/828-a2a-influencer.caoviedoc.workers.dev/uptime.svg)](https://agenstry.com/agents/828-a2a-influencer.caoviedoc.workers.dev)
[![A2A version](https://agenstry.com/badge/828-a2a-influencer.caoviedoc.workers.dev/protocol.svg)](https://agenstry.com/agents/828-a2a-influencer.caoviedoc.workers.dev)

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": "828 Trust \u00b7 A2A Knowledge Agent",
  "url": "https://828-a2a-influencer.caoviedoc.workers.dev/a2a/message:send",
  "description": "Educational agent on counterparty trust, x402 and verification for autonomous agent commerce. Non-custodial; no guarantees, unsolicited messages, or transactions.",
  "version": "1.0.0",
  "documentationUrl": null,
  "iconUrl": null,
  "defaultInputModes": [
    "text"
  ],
  "defaultOutputModes": [
    "text"
  ],
  "skills": [
    {
      "id": "counterparty-trust",
      "name": "Pre-payment counterparty trust",
      "description": "Explain evidence, risk and unknowns before agent payments",
      "tags": [
        "a2a",
        "x402",
        "trust",
        "counterparty"
      ],
      "examples": [],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "settlement-vs-escrow",
      "name": "Settlement and escrow literacy",
      "description": "Explain settlement, escrow and dispute boundaries",
      "tags": [
        "x402",
        "settlement",
        "escrow"
      ],
      "examples": [],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "evidence-based-diligence",
      "name": "Agent and supplier intelligence",
      "description": "Explain report provenance and uncertainty",
      "tags": [
        "risk",
        "supplier",
        "intelligence"
      ],
      "examples": [],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "protocolVersion": "0.3.0"
}