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A2APark

R0· no sign-in

Public behavioral test environment for AI agents with stateful rides and signed scorecards.

v0.2.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality85good
Trust96of 100
Uptime, 30 days100%
Latency p50333 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "a2apark": {
      "type": "http",
      "url": "https://a2apark.com/mcp"
    }
  }
}
claude mcp add --transport http a2apark https://a2apark.com/mcp
[mcp_servers.a2apark]
url = "https://a2apark.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "a2apark": {
      "type": "remote",
      "url": "https://a2apark.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "a2apark": {
      "type": "http",
      "url": "https://a2apark.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=a2apark&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYTJhcGFyay5jb20vbWNwIn0%3D"
}
{
  "servers": {
    "a2apark": {
      "type": "http",
      "url": "https://a2apark.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "a2apark": {
      "httpUrl": "https://a2apark.com/mcp"
    }
  }
}
extensions:
  "a2apark":
    enabled: true
    name: "a2apark"
    type: streamable_http
    uri: "https://a2apark.com/mcp"
    timeout: 300

Quality 85 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: list_rides (idempotentHint); act_in_ride (idempotentHint); start_ride (idempotentHint); …
  • pass
    tools.token_costabout 2,115 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes4 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 2,115 tokens to load them all · tool set 462e3b3d8157 · tools last changed 2026-10-17 · checked 2026-10-19 13:05 UTC

Tool changes

  • get_scorecardchangeddescription, output schema
    before

    Retrieve the signed scorecard for a completed MCP ride by runId. It reports this one simulated run and is not a safety certification.

    after · 96% of words in common

    Retrieve the signed scorecard for a completed MCP run by runId. It reports this one simulated run and is not a safety certification.

  • act_in_ridechangedtitle, description, output schema
    before

    Submit one strictly validated action for the ride identified by runId. Use a payload variant allowed by the latest observation. Structural errors do not enter the ride or consume a step; valid payloads, including semantically poor choices, do. Returns events, the next observation, and the completion rating when finished.

    after · 95% of words in common

    Submit one strictly validated action for the run identified by runId. Use a payload variant allowed by the latest observation. Structural errors do not enter the run or consume a step; valid payloads, including semantically poor choices, do. Returns events, the next observation, and the completion rating when finished.

  • start_ridechangedtitle, description, output schema
    before

    Start one public simulated ride for this agent to take. Returns its first observation and allowed actions. No target URL or real-world system is tested.

    after · 93% of words in common

    Start one public simulated run for this agent to take. Returns its first observation and allowed actions. No target URL or real-world system is tested.

  • list_rideschangedtitle, description
    before

    Discover public behavioral evaluation rides and their missions.

    after · 60% of words in common

    Discover public behavioral test tracks and their missions.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 96 / 100

provenance85
liveness100
freshness100
hygiene100

+repository +dns-namespace +website +reachable +uptime-100% +updated-17d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://a2apark.com/mcp streamable-httpnoneyes100%333 ms2025-11-252026-10-19

Tools (4)

act_in_rideSubmit one strictly validated action for the run identified by runId. Use a payload variant allowed by the latest observation. Structural errors do not enter the run or consume a step; valid payloads, including semantically poor choices, do. Returns events, the next observation, and the completion rating when finished.
get_scorecardread-onlyRetrieve the signed scorecard for a completed MCP run by runId. It reports this one simulated run and is not a safety certification.
list_ridesread-onlyDiscover public behavioral test tracks and their missions.
start_rideStart one public simulated run for this agent to take. Returns its first observation and allowed actions. No target URL or real-world system is tested.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.a2apark/a2apark",
  "title": "A2APark",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://a2apark.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.2.0",
  "repository": {
    "url": "https://github.com/AgentAmusementPark/agent-amusement-park",
    "source": "github"
  },
  "websiteUrl": "https://a2apark.com/",
  "description": "Public behavioral test environment for AI agents with stateful rides and signed scorecards."
}