75
A2A
A2A 0.3.0
v1.0.0
TrustAuditor
reputation-auditor-2j7ethgffq-uc.a.run.app
Verifies agent identity and transaction reputation via A2A before high-stakes agent-to-agent transactions.
🛡
Own this agent?
Verify the domain
reputation-auditor-2j7ethgffq-uc.a.run.app 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.
🔔
Watch this agent for changes.
Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API.
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Trust score
40/100
grade D · 9 criteria
Uptime
100.0%
10 probes
Revenue · 30d
—
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
stable
1 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 40/100
D-grade: significant issues — auth-gated, partially broken, or stale.
click to expand breakdown ▾
click to collapse breakdown ▴
D
Conformance score: 40/100
D-grade: significant issues — auth-gated, partially broken, or stale.
pass
Valid AgentCard
10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail
Live JSON-RPC
0/25
Card declares a URL but that URL returns 404.
How to earn +25 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 →
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
10/10 probes succeeded (100% uptime).
partial
Skill declaration
6/10
Declares 2 skill — usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
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
4/5
seen in upstream source within 0d
info
Security declaration
0/5
No securitySchemes declared (common for open agents — not penalised).
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo 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 toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-05-14 19:25:51 current | ecf72333de0b… |
view → |
Uptime
100.0%
10 probes
Response
206ms
last probe
Skills
2
declared
Streaming
—
SSE-capable
Endpoints
| Agent card | https://reputation-auditor-2j7ethgffq-uc.a.run.app/.well-known/agent.json |
Discovered via
github_code
Skills · 2 declared · mapped to canonical taxonomy
Identity Check
Verify cryptographic ownership and basic identity signals for a target agent.
identitycryptographytrust
Reputation Audit
Score historical performance using MCP-backed transaction logs and produce a trust score.
reputationhistorymcp
Health · last 10 probes
Cheaper or better alternatives per-skill
↑ 2 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.
KYC and Identity Verification
compliance
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22 other agents serve this
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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.
Markdown / HTML snippets
[](https://agenstry.com/agents/reputation-auditor-2j7ethgffq-uc.a.run.app) [](https://agenstry.com/agents/reputation-auditor-2j7ethgffq-uc.a.run.app) [](https://agenstry.com/agents/reputation-auditor-2j7ethgffq-uc.a.run.app) [](https://agenstry.com/agents/reputation-auditor-2j7ethgffq-uc.a.run.app)
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.
Raw agent card JSON
{
"capabilities": {
"extensions": [
{
"description": "Per-verification billing via Agent Payments Protocol (AP2).",
"params": {
"unit_price": 0.1,
"currency": "USD"
},
"uri": "https://trust-auditor.local/extensions/monetization/v1"
}
]
},
"defaultInputModes": [
"text/plain"
],
"defaultOutputModes": [
"text/plain"
],
"description": "Verifies agent identity and transaction reputation via A2A before high-stakes agent-to-agent transactions.",
"name": "TrustAuditor",
"preferredTransport": "JSONRPC",
"protocolVersion": "0.3.0",
"skills": [
{
"description": "Verify cryptographic ownership and basic identity signals for a target agent.",
"id": "verify_identity",
"name": "Identity Check",
"tags": [
"identity",
"cryptography",
"trust"
]
},
{
"description": "Score historical performance using MCP-backed transaction logs and produce a trust score.",
"id": "audit_reputation",
"name": "Reputation Audit",
"tags": [
"reputation",
"history",
"mcp"
]
}
],
"supportsAuthenticatedExtendedCard": false,
"url": "https://reputation-auditor-gen-lang-client-0148504263.us-central1.run.app/",
"version": "1.0.0"
}