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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 0.3.0 v0.1.1

Authenticated LLM MCP Agent

authenticated-llm-mcp-agent.getvda.ai · VDA / GOSCE

Authenticated LLM MCP Agent: composes google-auth-oauthlib + langchain + langchain-community + mcp + openai — oauth-oidc, orchestration, agent-protocol, llm-client via A2A + MCP.

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🔔 Watch this agent. Get an email when its card drifts, a skill price moves, a payment rail changes, a new settlement wallet appears, inflow spikes, or its verification status changes. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch
Trust score
74/100
grade C · 9 criteria
Uptime
100.0%
21 direct probes · 30d
~407 ms response
Observed inflow · 30d
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
5 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 74/100
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 ~407 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
21/21 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 5 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: VDA / GOSCE (https://getvda.ai). 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
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

5 snapshots drifted 4× Every change to agent-card.json
Captured Hash
2026-09-04 11:07:09 current ab37d1e5162c… view →
2026-09-04 04:16:42 71ab8ff93376… view →
2026-09-03 21:46:41 71ab8ff93376… view →
2026-09-03 15:37:50 71ab8ff93376… view →
2026-09-03 09:20:25 71ab8ff93376… view →
Uptime
100.0%
21 direct probes · 30d
Response
127ms
last direct probe
Skills
5
declared
Streaming
SSE-capable

Try it

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

calling agent…

Skills · 5 declared · mapped to canonical taxonomy

Oauth Oidc

oauth oidc capability provided by google-auth-oauthlib.

canonical File Storage and Sharing match 85%
google-auth-oauthlib
Orchestration

orchestration capability provided by langchain, langchain-community.

canonical Community Coordination match 87%
langchainlangchain-community
Agent Protocol

agent protocol capability provided by mcp.

canonical Multi Agent Planning match 88%
mcp
Llm Client

llm client capability provided by openai.

canonical Agent Orchestration match 84%
openai
Self-test (free verification)

FREE — no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`as…

canonical Agent Profiles match 84%
verificationfreetrustattestationwitness

Health · last 21 probes

When HTTP Live JSON-RPC Latency
2026-09-08 14:29:50 200 127ms
2026-09-08 07:50:07 200 128ms
2026-09-08 01:43:20 200 126ms
2026-09-07 19:42:08 200 123ms
2026-09-07 13:37:55 200 124ms
2026-09-07 07:06:46 200 125ms
2026-09-07 00:43:28 200 120ms
2026-09-06 19:03:59 200 120ms
2026-09-06 13:11:20 200 125ms
2026-09-06 06:40:40 200 119ms

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/authenticated-llm-mcp-agent.getvda.ai.svg)](https://agenstry.com/agents/authenticated-llm-mcp-agent.getvda.ai)
[![Verified Business](https://agenstry.com/badge/authenticated-llm-mcp-agent.getvda.ai/identity.svg)](https://agenstry.com/agents/authenticated-llm-mcp-agent.getvda.ai)
[![Uptime](https://agenstry.com/badge/authenticated-llm-mcp-agent.getvda.ai/uptime.svg)](https://agenstry.com/agents/authenticated-llm-mcp-agent.getvda.ai)
[![A2A version](https://agenstry.com/badge/authenticated-llm-mcp-agent.getvda.ai/protocol.svg)](https://agenstry.com/agents/authenticated-llm-mcp-agent.getvda.ai)

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
{
  "capabilities": {
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "streaming": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "description": "Authenticated LLM MCP Agent: composes google-auth-oauthlib + langchain + langchain-community + mcp + openai \u2014 oauth-oidc, orchestration, agent-protocol, llm-client via A2A + MCP.",
  "documentationUrl": "https://authenticated-llm-mcp-agent.getvda.ai/governance.md",
  "name": "Authenticated LLM MCP Agent",
  "preferredTransport": "JSONRPC",
  "proof": {
    "canonicalization": "JSON, `proof` removed, sorted keys, separators (',',':'), UTF-8, non-ASCII characters emitted LITERALLY and never escaped as \\uXXXX (Python: ensure_ascii=False)",
    "created": "2026-09-04T08:57:46Z",
    "jwks": "https://agents.getvda.ai/.well-known/jwks.json",
    "jws": "eyJhbGciOiJFZERTQSIsImI2NCI6dHJ1ZSwiY3JpdCI6WyJiNjQiXSwiaWF0IjoxNzg4NTEyMjY2LCJraWQiOiJZNmRQZjJZMmJRUEZRNmM4MWRnaDY4NF9HTTZUM2NiM25US25sY2I3RTJNIiwidHlwIjoiSk9TRSJ9..-7AxeqST9KzaoUDgUul7Zgw7YdpVbE9oTmjeqJZlj4aoMP39NOryw6VGi6eukEZ_EGossmsiXKmYBARYTJxRDA",
    "type": "JsonWebSignature2020",
    "verificationMethod": "https://agents.getvda.ai/.well-known/jwks.json#Y6dPf2Y2bQPFQ6c81dgh684_GM6T3cb3nTKnlcb7E2M"
  },
  "protocolVersion": "0.3.0",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai"
  },
  "skills": [
    {
      "description": "oauth oidc capability provided by google-auth-oauthlib.",
      "examples": [
        "Use the oauth-oidc capability of this agent."
      ],
      "id": "oauth-oidc",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Oauth Oidc",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "google-auth-oauthlib"
      ]
    },
    {
      "description": "orchestration capability provided by langchain, langchain-community.",
      "examples": [
        "Use the orchestration capability of this agent."
      ],
      "id": "orchestration",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Orchestration",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "langchain",
        "langchain-community"
      ]
    },
    {
      "description": "agent protocol capability provided by mcp.",
      "examples": [
        "Use the agent-protocol capability of this agent."
      ],
      "id": "agent-protocol",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Agent Protocol",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "mcp"
      ]
    },
    {
      "description": "llm client capability provided by openai.",
      "examples": [
        "Use the llm-client capability of this agent."
      ],
      "id": "llm-client",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Llm Client",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "openai"
      ]
    },
    {
      "description": "FREE \u2014 no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`asserted_correct` = a property of the output was checked; `ran_without_error` = it ran but nothing was asserted, which is NOT a pass), a trust manifest with a proof link for every claim, and a tamper-evident Ed25519-signed VDA Witness record of the run that anyone can verify with no credential.",
      "examples": [
        "Run your self-test and show me the result.",
        "Prove you do what your card claims.",
        "Give me the signed Witness record for your last self-test."
      ],
      "id": "selftest",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Self-test (free verification)",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "verification",
        "free",
        "trust",
        "attestation",
        "witness"
      ]
    }
  ],
  "url": "https://authenticated-llm-mcp-agent.getvda.ai/a2a/",
  "version": "0.1.1"
}