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📊 Intel view 📋 Audit JSON 🔄 Changelog
71
A2A v2.0.0

elephant-accountability

eaccountability.org

Certification bureau for agent-mediated commerce. Publishes the Electronic Visibility Index (EVI v0.9) and Trustmark Certified standards.

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Verify the domain eaccountability.org 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.
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Trust score
42/100
grade D · 9 criteria
Uptime
88.9%
162 probes
~28 ms response
Observed inflow · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
stable
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 42/100
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).
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 SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-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 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).
partial Uptime track record 13/15
144/162 probes succeeded (89% uptime).
How to earn +2 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
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 4/5
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 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
2026-05-22 07:00:28 current f520168f11b4… view →
Uptime
88.9%
162 probes
Response
29ms
last probe
Skills
3
declared
Streaming
SSE-capable

Endpoints

Agent cardhttps://eaccountability.org/.well-known/agent-card.json
Discovered via
manifests recrawl_hot recrawl_warm

Skills · 3 declared · mapped to canonical taxonomy

Audit website for agent-readiness

Run an EVI v0.9 audit on a given domain. Returns a 0-100 score across three axes (Coverage, Prominence, Consistency) plus the surface-by-surface breakdown.

canonical Model Evaluation and Benchmarking match 83%
auditagent-readinessevitrustmark
Request a Trustmark certification

Submit a domain for Trustmark issuance. Returns the awarded tier (Bronze / Silver / Gold) and the per-axis upgrade roadmap when a higher tier is not awarded.

canonical Agent Profiles match 81%
trustmarkcertificationtier
Fetch the EVI v0.9 methodology

Return the open methodology spec that produces the score: per-axis weights, Coverage 0.40, Prominence 0.30, Consistency 0.30; threshold rules, auto-fail conditi…

canonical Model Evaluation and Benchmarking match 83%
methodologyspectransparency

Health · last 19 probes

When HTTP Live JSON-RPC Latency
2026-08-13 10:24:17 200 29ms
2026-08-12 10:00:32 200 29ms
2026-08-11 10:51:48 200 25ms
2026-08-10 12:55:53 200 27ms
2026-08-09 10:14:17 200 106ms
2026-08-08 12:56:51 200 23ms
2026-08-07 10:44:25 200 116ms
2026-08-06 07:36:53 200 42ms
2026-08-05 07:14:37 200 65ms
2026-08-04 06:12:56 200 23ms

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.

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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/eaccountability.org.svg)](https://agenstry.com/agents/eaccountability.org)
[![Verified Business](https://agenstry.com/badge/eaccountability.org/identity.svg)](https://agenstry.com/agents/eaccountability.org)
[![Uptime](https://agenstry.com/badge/eaccountability.org/uptime.svg)](https://agenstry.com/agents/eaccountability.org)
[![A2A version](https://agenstry.com/badge/eaccountability.org/protocol.svg)](https://agenstry.com/agents/eaccountability.org)

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
{
  "schema_version": "1.0",
  "protocol": "a2a",
  "name": "elephant-accountability",
  "display_name": "Elephant Accountability",
  "description": "Certification bureau for agent-mediated commerce. Publishes the Electronic Visibility Index (EVI v0.9) and Trustmark Certified standards.",
  "url": "https://eaccountability.org",
  "version": "2.0.0",
  "publisher": {
    "name": "Elephant Accountability LLC",
    "url": "https://eaccountability.org",
    "contact": "chris@eaccountability.org"
  },
  "endpoints": {
    "mcp": "https://api.eaccountability.org/mcp",
    "mcp_manifest": "https://api.eaccountability.org/.well-known/mcp.json",
    "llms_txt": "https://eaccountability.org/llms.txt",
    "transparency": "https://eaccountability.org/transparency",
    "methodology": "https://eaccountability.org/methodology",
    "glossary": "https://eaccountability.org/glossary",
    "euc_manifest": "https://eaccountability.org/.well-known/euc.json"
  },
  "capabilities": {
    "streaming": false,
    "extensions": []
  },
  "skills": [
    {
      "id": "audit-website",
      "name": "Audit website for agent-readiness",
      "description": "Run an EVI v0.9 audit on a given domain. Returns a 0-100 score across three axes (Coverage, Prominence, Consistency) plus the surface-by-surface breakdown.",
      "tags": [
        "audit",
        "agent-readiness",
        "evi",
        "trustmark"
      ],
      "examples": [
        "Audit eaccountability.org",
        "Run an EVI v0.9 scan on stripe.com"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "request-trustmark",
      "name": "Request a Trustmark certification",
      "description": "Submit a domain for Trustmark issuance. Returns the awarded tier (Bronze / Silver / Gold) and the per-axis upgrade roadmap when a higher tier is not awarded.",
      "tags": [
        "trustmark",
        "certification",
        "tier"
      ],
      "examples": [
        "Issue a Trustmark for our domain",
        "What tier would acme.com qualify for?"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "fetch-methodology",
      "name": "Fetch the EVI v0.9 methodology",
      "description": "Return the open methodology spec that produces the score: per-axis weights, Coverage 0.40, Prominence 0.30, Consistency 0.30; threshold rules, auto-fail conditions, ISO 42001 alignment crosswalk.",
      "tags": [
        "methodology",
        "spec",
        "transparency"
      ],
      "examples": [
        "Show me how EVI scores work",
        "Why is BuyAction weighted so heavily?"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/markdown",
        "application/json"
      ]
    }
  ],
  "preferred_transport": "mcp",
  "tags": [
    "certification-bureau",
    "agent-discoverability",
    "b2b-saas",
    "agent-commerce",
    "mcp",
    "a2a",
    "evi",
    "trustmark"
  ]
}