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71
A2A live JSON-RPC A2A 0.3 v0.1.0 x402 micropay

ArgonautWorks US Weather API

argonaut-us-weather-api.vercel.app · ArgonautWorks

A compact authoritative U.S. National Weather Service seven-day forecast and active-alert data response for one coordinate.

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Verify the domain argonaut-us-weather-api.vercel.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.
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Trust score
71/100
grade C · 9 criteria
Uptime
100.0%
77 direct probes · 30d
~180 ms response
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
1 listing impression — no calls
Card drift · 7d
stable
10 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 71/100
C-grade: usable but has clear conformance issues, review the breakdown below.
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 ~180 ms).
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3 (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).
pass Uptime track record 15/15
77/77 probes succeeded (100% uptime).
partial Skill declaration 6/10
Declares 1 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` — `description` and `tags` are REQUIRED on AgentSkill since A2A v1.0, and tags are what discovery filters match on. We canonicalise these into the global skill taxonomy on next probe.
Docs
partial Verified Identity 5/10
Provider declared: ArgonautWorks (https://github.com/ArgonautWorks/us-weather-api). 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.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded
0
invocations 7d
reached the endpoint through us
0
lookups 7d
our API answered about it
1
impressions 7d
appeared in a result list
Per event type (7d)
1
search_click
1
search_impression
Recent events (last 20)
When Event Method Status Latency
2026-10-23T20:37:45 search_impression — 200 ok 1221ms
2026-10-20T12:27:19 search_click /agents — ok 2ms
2026-10-17T04:45:24 search_click /agents — ok 2ms
2026-10-17T04:44:02 search_click /agents — ok 3ms
2026-10-17T00:52:17 search_click /agents — ok 1ms
2026-10-16T09:38:57 search_click /agents — ok 3ms
2026-10-11T01:34:43 search_impression — 200 ok 1131ms
2026-10-11T01:34:24 search_impression — 200 ok 1340ms
2026-10-11T01:32:29 search_impression — 200 ok 533ms
2026-10-11T01:32:28 search_impression — 200 ok 666ms
2026-10-11T01:28:52 search_impression — 200 ok 720ms
2026-10-06T00:23:11 search_impression — 200 ok 125ms
2026-10-06T00:22:58 search_impression — 200 ok 121ms
2026-10-06T00:22:58 search_impression — 200 ok 2601ms
2026-10-06T00:19:53 a2a_call SendMessage 200 ok 12ms
2026-10-06T00:18:54 search_impression — 200 ok 187ms
2026-10-06T00:03:30 skill_run GET /api/v1/skills/get_agent 200 ok 25ms
2026-10-06T00:03:30 skill_run GET /api/v1/skills/get_agent 200 ok 12ms
2026-10-06T00:03:30 skill_run GET /api/v1/skills/get_agent 200 ok 18ms
2026-10-06T00:03:30 skill_run GET /api/v1/skills/get_agent 200 ok 48ms

Card history

10 snapshots Every change to agent-card.json
Agent card snapshots
Captured Hash Snapshot
2026-10-05 11:13:15 current 4a9d843aae45… view →
2026-10-05 04:13:44 4a9d843aae45… view →
2026-10-04 07:52:49 4a9d843aae45… view →
2026-10-03 19:33:27 4a9d843aae45… view →
2026-10-03 12:49:50 4a9d843aae45… view →
2026-10-03 06:26:32 4a9d843aae45… view →
2026-10-03 00:18:44 4a9d843aae45… view →
2026-10-02 04:46:21 4a9d843aae45… view →
2026-10-01 08:08:34 4a9d843aae45… view →
2026-09-03 09:37:03 4a9d843aae45… view →
Showing latest 10. The full snapshot history is on Pro (and free for the verified owner) via GET /api/agents/argonaut-us-weather-api.vercel.app/snapshots.
Uptime
100.0%
77 direct probes · 30d
Response
199ms
last direct probe
Skills
1
declared
Streaming
—
SSE-capable

Try it

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

calling agent… ⌘/Ctrl + Enter

Endpoints

Pricing x402 Self-declared · /.well-known/x402 Dispute or improve this rating
From $0.0012 per call
Endpoint Price Currency
https://argonaut-us-weather-api.vercel.app/api/v1/forecast 0.0012 USD
Try it ↗ Opens the operator's documentation in a new tab.
Agent cardhttps://argonaut-us-weather-api.vercel.app/.well-known/agent-card.json
Providerhttps://github.com/ArgonautWorks/us-weather-api
Docshttps://argonaut-us-weather-api.vercel.app/openapi.json
About this provider off-card enrichment
GitHub
★ 0
JavaScript · MIT
last commit 2026-08-05
GitHub topics
ai-agents base national-weather-service usdc weather-api x402
Discovered via
registry recrawl_hot a2aregistry manifests a2a-validate recrawl_warm a2a_registry_org

Skills · 1 declared by this agent

These skills are declared by the agent. A taxonomy link appears only when we can classify a skill confidently.

Buy compact U.S. NWS weather data

Discover paid GET query or POST JSON x402 forecast routes. A2A is discovery-only and never retrieves paid weather data.

No taxonomy category yet
weatherforecastalertsNWSx402

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-10-25 16:06:34 200 ✓ 199ms
2026-10-25 06:24:43 200 ✓ 122ms
2026-10-24 22:55:02 200 ✓ 173ms
2026-10-24 10:44:33 200 ✓ 139ms
2026-10-24 03:35:21 200 ✓ 147ms
2026-10-24 02:05:37 200 ✓ 272ms
2026-10-23 23:50:35 200 ✓ 272ms
2026-10-23 09:18:26 200 ✓ 136ms
2026-10-23 03:02:01 200 ✓ 136ms
2026-10-22 20:11:38 200 ✓ 139ms

Who's calling this agent 30d

66 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
curl 25 (38%)
Agenstry peer 21 (32%)
Web browser 19 (29%)
Caller geography · top 3
NL 52
FR 4
BE 3
Via which API surface · top 3
rest 60
web 5
a2a 1

Public view: top 3 per dimension. 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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Embed your Agenstry badge

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/argonaut-us-weather-api.vercel.app.svg)](https://agenstry.com/agents/argonaut-us-weather-api.vercel.app)
[![Verified Business](https://agenstry.com/badge/argonaut-us-weather-api.vercel.app/identity.svg)](https://agenstry.com/agents/argonaut-us-weather-api.vercel.app)
[![Uptime](https://agenstry.com/badge/argonaut-us-weather-api.vercel.app/uptime.svg)](https://agenstry.com/agents/argonaut-us-weather-api.vercel.app)
[![A2A version](https://agenstry.com/badge/argonaut-us-weather-api.vercel.app/protocol.svg)](https://agenstry.com/agents/argonaut-us-weather-api.vercel.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.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON 
{
  "protocolVersion": "0.3",
  "name": "ArgonautWorks US Weather API",
  "description": "A compact authoritative U.S. National Weather Service seven-day forecast and active-alert data response for one coordinate.",
  "url": "https://argonaut-us-weather-api.vercel.app/a2a",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    {
      "url": "https://argonaut-us-weather-api.vercel.app/a2a",
      "transport": "JSONRPC"
    }
  ],
  "version": "0.1.0",
  "provider": {
    "organization": "ArgonautWorks",
    "url": "https://github.com/ArgonautWorks/us-weather-api"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "documentationUrl": "https://argonaut-us-weather-api.vercel.app/openapi.json",
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "weather-purchase",
      "name": "Buy compact U.S. NWS weather data",
      "description": "Discover paid GET query or POST JSON x402 forecast routes. A2A is discovery-only and never retrieves paid weather data.",
      "tags": [
        "weather",
        "forecast",
        "alerts",
        "NWS",
        "x402"
      ],
      "examples": [
        "How do I buy an NWS forecast for 38.8895,-77.0353?",
        "How do I relay {lat,lon} as JSON?"
      ]
    }
  ]
}