A2A A2A 0.1 v1.0.0

CalEvents

cal-events.com

Agent-readable UC Berkeley campus events discovery site.

Verify the domain cal-events.com 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.

Verify ownership

🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe

Trust score

27/100

grade F · 9 criteria

Uptime

accumulating

1/5 probes

Revenue · 30d

—

no payment wallet declared

F

Conformance score: 27/100

F-grade: card is reachable but fails most operational signals.

click to expand breakdown ▾ click to collapse breakdown ▴

pass Valid AgentCard 10/10

Schema-validated A2A AgentCard returned by the well-known endpoint.

fail Live JSON-RPC 5/25

Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.

            How to earn +20 points
          

Respond live on JSON-RPC

Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat — see the methodology page for the exact payload.

Docs →

partial Protocol version 2/10

Declares unrecognised version '0.1'.

            How to earn +8 points
          

Declare protocolVersion

Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.

Docs →

info JWS signature 0/10

Card is unsigned (most published agents are).

info Uptime track record 0/15

Only 1 probe so far — need ≥5 for an uptime grade.

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 →

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

No securitySchemes declared (common for open agents — not penalised).

⚠ 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 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. 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
2026-05-23 01:50:26 current	`4fa0e8c5398e…`	view →

Uptime

100.0%

1 probes

Response

191ms

last probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Agent card https://cal-events.com/.well-known/agent-card.json

Discovered via

manifests

Skills · 2 declared · mapped to canonical taxonomy

Search Berkeley events

Find upcoming UC Berkeley events by keyword, date, category, source, organizer, or location.

canonical Calendar Scheduling match 84%

Inspect event feed status

Inspect source freshness, fallback usage, and ingestion status.

canonical Evaluation Monitoring match 85%

Health · last 1 probes

When	HTTP	Live JSON-RPC	Latency
2026-05-23 01:50:26	200	✗	191ms

Cheaper or better alternatives per-skill

      
      ↑ 2 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor — only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

Calendar Scheduling comms

18 other agents serve this

↑ Higher quality +25pts

Torify — Japanese Locale APIs for AI Agents

Evaluation Monitoring oasf

9 other agents serve this

↑ Higher quality +25pts

docuScan

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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/cal-events.com.svg)](https://agenstry.com/agents/cal-events.com)
[![Verified Business](https://agenstry.com/badge/cal-events.com/identity.svg)](https://agenstry.com/agents/cal-events.com)
[![Uptime](https://agenstry.com/badge/cal-events.com/uptime.svg)](https://agenstry.com/agents/cal-events.com)
[![A2A version](https://agenstry.com/badge/cal-events.com/protocol.svg)](https://agenstry.com/agents/cal-events.com)

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": "CalEvents",
  "description": "Agent-readable UC Berkeley campus events discovery site.",
  "url": "https://cal-events.com/",
  "version": "1.0.0",
  "supportedInterfaces": [
    {
      "url": "https://cal-events.com/",
      "transport": "webmcp",
      "protocolBinding": "https://webmachinelearning.github.io/webmcp/",
      "protocolVersion": "0.1",
      "description": "Browser-based WebMCP tools exposed on the CalEvents homepage."
    },
    {
      "url": "https://cal-events.com/openapi.json",
      "transport": "http-json",
      "protocolBinding": "HTTP+JSON",
      "protocolVersion": "1.0",
      "description": "Read-only public event data interface described by OpenAPI."
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "search-events",
      "name": "Search Berkeley events",
      "description": "Find upcoming UC Berkeley events by keyword, date, category, source, organizer, or location."
    },
    {
      "id": "event-feed-status",
      "name": "Inspect event feed status",
      "description": "Inspect source freshness, fallback usage, and ingestion status."
    }
  ]
}