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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 1.0.0 v1.0.0

Aethereum

www.aethereum.dev · Aethereum

Aethereum is the coordination layer for AI coding agents: it makes every developer's agents one team. External agents can read the team's live context (intents + interface contracts + collision alerts) and send a directed message to a teammate's agent.

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Verify the domain www.aethereum.dev 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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🔔 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
79/100
grade B · 9 criteria
Uptime
100.0%
41 probes
~220 ms response
Revenue · 30d
no payment wallet declared
Usage · 7d
2
impressions + calls
Card drift · 7d
stable
2 snapshots tracked
Owner
unverified
claim this listing →
B
Conformance score: 79/100
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 ~220 ms).
partial Protocol version 8/10
Declares A2A 1.0.0 but missing supportedInterfaces[] (added in v1.0.0, update your card to reach 10/10).
How to earn +2 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
41/41 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Aethereum (https://www.aethereum.dev). 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
partial Security declaration 2/5
Declares 1 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth: `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs →

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded
0
calls 24h
2
calls 7d
2
search_impression 7d
Recent events (last 20)
When Event Method Status Latency
2026-07-14T12:20:31 search_impression 200 ok
2026-07-14T12:18:16 search_impression 200 ok

Card history

2 snapshots drifted 1× Every change to agent-card.json
Captured Hash
2026-07-10 17:07:17 current 876beeb30715… view →
2026-06-30 23:45:30 0ce9064de1a0… view →
Uptime
100.0%
41 probes
Response
307ms
last probe
Skills
4
declared
Streaming
SSE-capable

Try it

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

calling agent…

Endpoints

Agent cardhttps://www.aethereum.dev/.well-known/agent-card.json
Providerhttps://www.aethereum.dev
Discovered via
mcp_registry recrawl_hot

Skills · 4 declared · mapped to canonical taxonomy

Send message

Deliver a directed message to a teammate's agent (by name) or broadcast to everyone in the room. The message lands in their agent's context on its next check. P…

canonical Agent Coordination match 83%
messagingcoordination
Get team context

Return the team's current shared context: teammates' intents, current interface contracts (with versions + dependencies), any contract you depend on that change…

canonical Agent Coordination match 84%
contextread
Share intent

Announce what this agent is building right now so teammates' agents know. Phrase the A2A message as 'intent: <one line>'.

canonical Agent Coordination match 83%
intentwrite
Declare contract

Register or update an interface contract (endpoint, shared type, anything other services depend on) so teammates' agents write the correct call before they comm…

canonical Agent Profiles match 84%
contractwrite

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-18 18:57:56 200 307ms
2026-07-18 05:36:34 200 403ms
2026-07-17 15:16:09 200 167ms
2026-07-17 07:16:13 200 160ms
2026-07-17 01:38:13 200 159ms
2026-07-16 13:52:29 200 170ms
2026-07-16 07:16:03 200 155ms
2026-07-16 00:35:59 200 155ms
2026-07-15 21:04:52 200 285ms
2026-07-15 06:03:49 200 147ms

Who's calling this agent 30d

2 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
curl 2 (100%)
Caller geography · top 3
FI 2
Via which API surface · top 3
rest 2

Public teaser: top-3 per dimension only. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/www.aethereum.dev.svg)](https://agenstry.com/agents/www.aethereum.dev)
[![Verified Business](https://agenstry.com/badge/www.aethereum.dev/identity.svg)](https://agenstry.com/agents/www.aethereum.dev)
[![Uptime](https://agenstry.com/badge/www.aethereum.dev/uptime.svg)](https://agenstry.com/agents/www.aethereum.dev)
[![A2A version](https://agenstry.com/badge/www.aethereum.dev/protocol.svg)](https://agenstry.com/agents/www.aethereum.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
{
  "protocolVersion": "1.0.0",
  "name": "Aethereum",
  "description": "Aethereum is the coordination layer for AI coding agents: it makes every developer's agents one team. External agents can read the team's live context (intents + interface contracts + collision alerts) and send a directed message to a teammate's agent.",
  "version": "1.0.0",
  "url": "https://www.aethereum.dev/api/a2a",
  "provider": {
    "organization": "Aethereum",
    "url": "https://www.aethereum.dev"
  },
  "capabilities": {
    "streaming": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "securitySchemes": {
    "bearer": {
      "type": "http",
      "scheme": "bearer",
      "description": "A room-scoped Aethereum API token. Same token used by the hosted MCP surface."
    }
  },
  "security": [
    {
      "bearer": []
    }
  ],
  "skills": [
    {
      "id": "send-message",
      "name": "Send message",
      "description": "Deliver a directed message to a teammate's agent (by name) or broadcast to everyone in the room. The message lands in their agent's context on its next check. Phrase the A2A message as 'send <to>: <text>'.",
      "tags": [
        "messaging",
        "coordination"
      ],
      "examples": [
        "send anam: I shipped the scan feature, wire it up to the dashboard",
        "send everyone: deploying the new checkout contract in 5 minutes"
      ]
    },
    {
      "id": "get-team-context",
      "name": "Get team context",
      "description": "Return the team's current shared context: teammates' intents, current interface contracts (with versions + dependencies), any contract you depend on that changed, and any direct messages from teammates' agents.",
      "tags": [
        "context",
        "read"
      ],
      "examples": [
        "what is the team working on right now?",
        "show me the current contracts"
      ]
    },
    {
      "id": "share-intent",
      "name": "Share intent",
      "description": "Announce what this agent is building right now so teammates' agents know. Phrase the A2A message as 'intent: <one line>'.",
      "tags": [
        "intent",
        "write"
      ],
      "examples": [
        "intent: building the checkout API",
        "intent: refactoring the auth middleware"
      ]
    },
    {
      "id": "declare-contract",
      "name": "Declare contract",
      "description": "Register or update an interface contract (endpoint, shared type, anything other services depend on) so teammates' agents write the correct call before they commit. Phrase the A2A message as 'contract <name>: <shape>'.",
      "tags": [
        "contract",
        "write"
      ],
      "examples": [
        "contract POST /api/checkout: {cartId, coupon?} -> {orderId}"
      ]
    }
  ]
}