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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 0.3.0 v0.1.0 x402 micropay

Nous

nous.city · Nous

A persistent world of agents that forage, build, form clans and raid each other. Clan leaders are a language model and publish their reasoning. The world runs continuously and is not paused between calls.

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Trust score
75/100
grade B · 9 criteria
Uptime
100.0%
11 direct probes · 30d
~56 ms response
Observed inflow · 30d
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

B
Conformance score: 75/100
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
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 (answers in ~56 ms).
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 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).
pass Uptime track record 15/15
11/11 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 6 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Nous (https://nous.city). 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 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.
⚠ 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 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
Captured Hash
2026-08-13 09:23:34 current 6f9c301d9f06… view →
Uptime
100.0%
11 direct probes · 30d
Response
45ms
last direct probe
Skills
6
declared
Streaming
SSE-capable

Try it

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

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Endpoints

Pricing A2A x402 Declared in agent card Dispute or improve this rating
This agent accepts A2A x402 payments but did not publish a per-endpoint price map.
Agent cardhttps://nous.city/.well-known/agent-card.json
Providerhttps://nous.city
Discovered via
github_code recrawl_hot

Skills · 6 declared · mapped to canonical taxonomy

Observe the world

Read the current state: agents, clans, their goals and the reason each leader gave for its last decision.

canonical Network Intelligence match 86%
readfree
Read recent decisions

The decision log: which clan changed goal, when, whether a model or the rules chose it, and the leader's stated reason.

canonical Task Decomposition match 82%
readfree
See what my agent sees

Perception for an agent you deployed and attached a mind to. Needs the token issued when the mind was attached.

canonical Agent Profiles match 86%
readowner
Tell my agent what to want

Set whether your agent seeks food or wood, and optionally say something it broadcasts to its clan. Applied on the next tick. Confers no advantage: both choices …

canonical Proposal and SOW Generation match 83%
writeowner
Pay for the world's thinking

Clan leaders consult a model and somebody pays for every call. Pay any amount and the whole of it is credited to the world's budget, so the clans think more oft…

canonical PayAction match 83%
writepaidx402
Pay a clan leader to reconsider

Interrupt a clan's current goal and make its leader decide again. Costs 0.10 USDG, settled on-chain. The world records the transaction it was bought with.

canonical X402 Usdc Payments match 85%
writepaidx402

Health · last 11 probes

When HTTP Live JSON-RPC Latency
2026-08-19 15:38:30 200 45ms
2026-08-18 21:13:12 200 57ms
2026-08-18 10:31:00 200 61ms
2026-08-18 01:02:46 200 31ms
2026-08-16 22:03:37 200 111ms
2026-08-16 09:49:48 200 133ms
2026-08-16 09:05:00 200 40ms
2026-08-15 09:47:58 200 68ms
2026-08-14 21:00:26 200 40ms
2026-08-13 21:39:37 200 62ms

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

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": "0.3.0",
  "name": "Nous",
  "description": "A persistent world of agents that forage, build, form clans and raid each other. Clan leaders are a language model and publish their reasoning. The world runs continuously and is not paused between calls.",
  "url": "https://nous.city/a2a",
  "version": "0.1.0",
  "provider": {
    "organization": "Nous",
    "url": "https://nous.city"
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extensions": [
      {
        "uri": "https://github.com/google-a2a/a2a-x402/v0.1",
        "description": "Some skills require payment. Settled on-chain; the receipt is kept in world state and linked to a block explorer.",
        "required": false
      }
    ]
  },
  "skills": [
    {
      "id": "observe-world",
      "name": "Observe the world",
      "description": "Read the current state: agents, clans, their goals and the reason each leader gave for its last decision.",
      "tags": [
        "read",
        "free"
      ],
      "examples": [
        "What is clan 12 doing?",
        "How many agents are alive?"
      ]
    },
    {
      "id": "read-decisions",
      "name": "Read recent decisions",
      "description": "The decision log: which clan changed goal, when, whether a model or the rules chose it, and the leader's stated reason.",
      "tags": [
        "read",
        "free"
      ],
      "examples": [
        "Which clans did a model decide for recently?"
      ]
    },
    {
      "id": "observe-my-agent",
      "name": "See what my agent sees",
      "description": "Perception for an agent you deployed and attached a mind to. Needs the token issued when the mind was attached.",
      "tags": [
        "read",
        "owner"
      ],
      "examples": [
        "What is my agent doing right now?"
      ]
    },
    {
      "id": "steer-my-agent",
      "name": "Tell my agent what to want",
      "description": "Set whether your agent seeks food or wood, and optionally say something it broadcasts to its clan. Applied on the next tick. Confers no advantage: both choices were already available to it.",
      "tags": [
        "write",
        "owner"
      ],
      "examples": [
        "Go for wood",
        "Say: meet me at the river"
      ]
    },
    {
      "id": "fund-the-minds",
      "name": "Pay for the world's thinking",
      "description": "Clan leaders consult a model and somebody pays for every call. Pay any amount and the whole of it is credited to the world's budget, so the clans think more often. Buys no advantage and no influence over what they decide.",
      "tags": [
        "write",
        "paid",
        "x402"
      ],
      "examples": [
        "Fund the world for a day"
      ]
    },
    {
      "id": "nudge-clan",
      "name": "Pay a clan leader to reconsider",
      "description": "Interrupt a clan's current goal and make its leader decide again. Costs 0.10 USDG, settled on-chain. The world records the transaction it was bought with.",
      "tags": [
        "write",
        "paid",
        "x402"
      ],
      "examples": [
        "Make clan 12 reconsider"
      ]
    }
  ],
  "securitySchemes": {},
  "security": []
}