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📊 Intel view 📋 Audit JSON 🔄 Changelog
59
A2A live JSON-RPC A2A 1.0 v0.1.0

Chenfeng AI public-information production

chenfengai.cn

Production deterministic service and case lookup. Not a GPT assistant or task execution service. Send one text part containing JSON with operation, language (zh-CN/en), and id only for get operations. Operations: list_services, get_service, list_cases, get_case, list_resources, get_resource, list_faq, get_faq. Responses are JSON encoded in text/plain; source URLs point to the confirmed website.

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Trust score
59/100
grade D · 9 criteria
Uptime
accumulating
2/5 direct probes · 30d
~255 ms response
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 59/100
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).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~255 ms).
pass Protocol version 10/10
Declares A2A 1.0 with supportedInterfaces[] (current v1 card shape).
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 2 probes so far, need ≥5 for an uptime grade.
pass Skill declaration 10/10
Declares 8 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 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
Agent card snapshots
Captured Hash Snapshot
2026-10-26 18:44:19 current 6e5b9498b156… view →
Uptime
accumulating
2 direct probes · 30d
Response
6402ms
last direct probe
Skills
8
declared
Streaming
—
SSE-capable

Try it

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

calling agent… ⌘/Ctrl + Enter

Endpoints

Agent cardhttps://chenfengai.cn/.well-known/agent-card.json
Discovered via
a2a_registry_org

Skills · 8 declared by this agent

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

list services

Read verified public information only. No tasks or intake.

No taxonomy category yet
public-informationread-onlyproduction
get service

Read verified public information only. No tasks or intake.

No taxonomy category yet
public-informationread-onlyproduction
list cases

Read verified public information only. No tasks or intake.

No taxonomy category yet
public-informationread-onlyproduction
get case

Read verified public information only. No tasks or intake.

canonical Thread Message Retrieval match 87%
public-informationread-onlyproduction
list resources

Read verified public information only. No tasks or intake.

No taxonomy category yet
public-informationread-onlyproduction
get resource

Read verified public information only. No tasks or intake.

canonical Thread Message Retrieval match 87%
public-informationread-onlyproduction
list faq

Read verified public information only. No tasks or intake.

No taxonomy category yet
public-informationread-onlyproduction
get faq

Read verified public information only. No tasks or intake.

canonical Thread Message Retrieval match 88%
public-informationread-onlyproduction

Health · last 2 probes

When HTTP Live JSON-RPC Latency
2026-10-26 18:44:22 200 ✓ 6402ms
2026-10-26 18:44:19 200 ✓ 3525ms

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

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 
{
  "name": "Chenfeng AI public-information production",
  "version": "0.1.0",
  "deploymentState": "production",
  "description": "Production deterministic service and case lookup. Not a GPT assistant or task execution service. Send one text part containing JSON with operation, language (zh-CN/en), and id only for get operations. Operations: list_services, get_service, list_cases, get_case, list_resources, get_resource, list_faq, get_faq. Responses are JSON encoded in text/plain; source URLs point to the confirmed website.",
  "supportedInterfaces": [
    {
      "url": "https://chenfengai.cn/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "skills": [
    {
      "id": "list_services",
      "name": "list services",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"list_services\", \"language\": \"en\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "get_service",
      "name": "get service",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"get_service\", \"language\": \"en\", \"id\": \"inquiry-support\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "list_cases",
      "name": "list cases",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"list_cases\", \"language\": \"en\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "get_case",
      "name": "get case",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"get_case\", \"language\": \"en\", \"id\": \"amazon-operations\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "list_resources",
      "name": "list resources",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"list_resources\", \"language\": \"en\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "get_resource",
      "name": "get resource",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"get_resource\", \"language\": \"en\", \"id\": \"workflow-brief\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "list_faq",
      "name": "list faq",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"list_faq\", \"language\": \"en\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "get_faq",
      "name": "get faq",
      "description": "Read verified public information only. No tasks or intake.",
      "tags": [
        "public-information",
        "read-only",
        "production"
      ],
      "examples": [
        "{\"operation\": \"get_faq\", \"language\": \"en\", \"id\": \"faq-01\"}"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    }
  ]
}