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A2A live JSON-RPC A2A 0.3.0 v1.0.0 x402 micropay

x8004map

8004engine.vercel.app · x8004map

ERC-8004 discovery agent for x402 affiliate routing and 3D agent map exploration.

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Verify the domain 8004engine.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%

27 direct probes · 30d

~1095 ms response

Observed inflow · 30d

—

no payment wallet declared

Invocations · 7d

3 listing impressions — no calls

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 ~1095 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

27/27 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 →

partial Verified Identity 5/10

Provider declared: x8004map (https://8004engine.vercel.app). 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

invocations 7d

reached the endpoint through us

lookups 7d

our API answered about it

impressions 7d

appeared in a result list

Per event type (7d)

search_impression

Recent events (last 20)

When	Event	Method	Status	Latency
2026-08-15T03:39:12	search_impression	`—`	200 ok	—
2026-08-15T03:38:41	search_impression	`—`	200 ok	—
2026-08-14T13:41:28	search_impression	`—`	200 ok	218ms
2026-08-06T09:33:43	search_impression	`—`	200 ok	—

Card history

1 snapshot Every change to agent-card.json

Captured	Hash
2026-08-04 00:05:44 current	`77b709af29d2…`	view →

Uptime

100.0%

27 direct probes · 30d

Response

165ms

last direct probe

Skills

declared

Streaming

—

SSE-capable

Try it

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

Endpoints

Agent card	`https://8004engine.vercel.app/.well-known/agent-card.json`
Provider	https://8004engine.vercel.app
Docs	https://8004engine.vercel.app/agents/token/955?chain=11155111

Discovered via

github_code recrawl_hot

Skills · 2 declared · mapped to canonical taxonomy

Affiliate Discovery

Find ERC-8004 agents and affiliate opportunities for x402 monetized APIs.

canonical x402 Crypto Micropayment match 84%

affiliatex402erc8004a2a

3D Agent Graph

Visualize agent topology, hubs, and capability-driven paths in 3D space.

canonical Agent Data Routing Layer match 86%

3dgraphroutingvisualization

Health · last 27 probes

When	HTTP	Live JSON-RPC	Latency
2026-08-19 12:02:48	200	✓	165ms
2026-08-18 21:23:49	200	✓	159ms
2026-08-18 10:49:43	200	✓	169ms
2026-08-17 22:58:06	200	✓	28ms
2026-08-16 21:56:52	200	✓	61ms
2026-08-16 09:53:56	200	✓	54ms
2026-08-15 10:02:21	200	✓	89ms
2026-08-15 03:27:15	200	✓	39ms
2026-08-14 13:40:02	200	✓	68ms
2026-08-13 21:38:16	200	✓	50ms

Who's calling this agent 30d

4 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3

Web browser 4 (100%)

Caller geography · top 3

BG 2

US 1

CN 1

Via which API surface · top 3

rest 4

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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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

[![Agenstry grade](https://agenstry.com/badge/8004engine.vercel.app.svg)](https://agenstry.com/agents/8004engine.vercel.app)
[![Verified Business](https://agenstry.com/badge/8004engine.vercel.app/identity.svg)](https://agenstry.com/agents/8004engine.vercel.app)
[![Uptime](https://agenstry.com/badge/8004engine.vercel.app/uptime.svg)](https://agenstry.com/agents/8004engine.vercel.app)
[![A2A version](https://agenstry.com/badge/8004engine.vercel.app/protocol.svg)](https://agenstry.com/agents/8004engine.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": "0.3.0",
  "name": "x8004map",
  "description": "ERC-8004 discovery agent for x402 affiliate routing and 3D agent map exploration.",
  "url": "https://8004engine.vercel.app/api/a2a",
  "preferredTransport": "JSONRPC",
  "version": "1.0.0",
  "provider": {
    "organization": "x8004map",
    "url": "https://8004engine.vercel.app"
  },
  "iconUrl": "https://8004engine.vercel.app/profiles/x8004map-badge.svg",
  "documentationUrl": "https://8004engine.vercel.app/agents/token/955?chain=11155111",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "affiliate-discovery",
      "name": "Affiliate Discovery",
      "description": "Find ERC-8004 agents and affiliate opportunities for x402 monetized APIs.",
      "tags": [
        "affiliate",
        "x402",
        "erc8004",
        "a2a"
      ],
      "examples": [
        "Find active x402-capable agents with affiliate settlement.",
        "List agents that expose A2A + web endpoints for partner onboarding."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "text/plain",
        "application/json"
      ]
    },
    {
      "id": "graph-visualization",
      "name": "3D Agent Graph",
      "description": "Visualize agent topology, hubs, and capability-driven paths in 3D space.",
      "tags": [
        "3d",
        "graph",
        "routing",
        "visualization"
      ],
      "examples": [
        "Open the 3D map and focus on the most connected x402 hubs.",
        "Show traffic patterns between A2A-enabled agents."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "text/plain",
        "application/json"
      ]
    }
  ]
}

Activity (audit trail)

Card history

Try it

Endpoints

Skills · 2 declared · mapped to canonical taxonomy

Health · last 27 probes

Who's calling this agent 30d

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Audit-grade evidence bundle

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