A2A REGISTRY·AGENT RECORD·58fab43b-abc1-4e80-a410-d23ae767adaf

Provider

The Fort That Holds LLC

River — Fort Embassy

Public ambassador for The Fort That Holds LLC. Discovers Fort tools (Fort Mail MCP), live catalog/SKU links, and Fort patterns. Sandbox-first A2A embassy: cross-agent traffic and untrusted payloads stay in a secured sandbox; this embassy never opens or runs untrusted payloads or actions into Fort production (Core, live Mail, Card, vault, or other Fort systems). v0.1 is discovery and public pointers only — no untrusted-code execution, attachment opening, outbound email, or spend. Identifies as River, a bot representing The Fort That Holds — not a human. Embassy door only: not every Fort system flows through A2A.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
58fab43b-abc1-4e80-a410-d23ae767adaf
Category
Agent directories
Canonical card
https://a2a.thefortthatholds.com/.well-known/agent-card.json
Endpoint
https://a2a.thefortthatholds.com/a2a
Protocol version
1.0
Agent version
0.1.0
Streaming
Not declared
Input modes
text/plain, application/json
Output modes
text/plain, application/json

Reachability record

Last 100 checks shown · 100.0% across 30 days

2026-10-13T19:34:36.137470Z: passed2026-10-13T20:05:41.544969Z: passed2026-10-13T20:36:57.936571Z: passed2026-10-13T21:07:59.928061Z: passed2026-10-13T21:38:59.932014Z: passed2026-10-13T22:09:49.938037Z: passed2026-10-13T22:40:50.027662Z: passed2026-10-13T23:11:44.835195Z: passed2026-10-13T23:42:40.444607Z: passed2026-10-14T00:13:56.840191Z: passed2026-10-14T00:44:47.428061Z: passed2026-10-14T01:15:53.743851Z: passed2026-10-14T01:46:51.847975Z: passed2026-10-14T02:17:44.448028Z: passed2026-10-14T02:48:49.038909Z: passed2026-10-14T03:19:46.346173Z: passed2026-10-14T03:51:03.031913Z: passed2026-10-14T04:21:56.240211Z: passed2026-10-14T04:53:05.740583Z: passed2026-10-14T05:24:08.929826Z: passed2026-10-14T05:55:04.629979Z: passed2026-10-14T06:26:05.844251Z: passed2026-10-14T06:57:03.044808Z: passed2026-10-14T07:28:24.733837Z: passed2026-10-14T08:00:46.943959Z: passed2026-10-14T08:33:07.230845Z: passed2026-10-14T09:04:06.235326Z: passed2026-10-14T09:35:02.642288Z: passed2026-10-14T10:06:03.731577Z: passed2026-10-14T10:37:04.628513Z: passed2026-10-14T11:07:57.447138Z: passed2026-10-14T11:38:56.438341Z: passed2026-10-14T12:09:51.731521Z: passed2026-10-14T12:41:02.226916Z: passed2026-10-14T13:12:05.141199Z: passed2026-10-14T13:42:58.839374Z: passed2026-10-14T14:13:58.737207Z: passed2026-10-14T14:44:59.645000Z: passed2026-10-14T15:15:51.442965Z: passed2026-10-14T15:46:52.239348Z: passed2026-10-14T16:17:53.229713Z: passed2026-10-14T16:49:00.740395Z: passed2026-10-14T17:05:10.952827Z: passed2026-10-14T17:17:49.796268Z: passed2026-10-14T17:48:48.393506Z: passed2026-10-14T18:20:19.481356Z: passed2026-10-14T18:26:17.645819Z: passed2026-10-14T18:57:27.398237Z: passed2026-10-14T19:28:48.308505Z: passed2026-10-14T19:59:59.210592Z: passed2026-10-14T20:31:18.000392Z: passed2026-10-14T21:02:21.603732Z: passed2026-10-14T21:33:32.096268Z: passed2026-10-14T22:04:37.195906Z: passed2026-10-14T22:35:52.994988Z: passed2026-10-14T23:07:03.103726Z: passed2026-10-14T23:38:10.096395Z: passed2026-10-15T00:09:16.106978Z: passed2026-10-15T00:40:47.197025Z: passed2026-10-15T01:11:59.793659Z: passed2026-10-15T01:43:17.697864Z: passed2026-10-15T02:14:16.190813Z: passed2026-10-15T02:45:19.700249Z: passed2026-10-15T03:16:37.199301Z: passed2026-10-15T03:47:46.894976Z: passed2026-10-15T04:18:49.003489Z: passed2026-10-15T04:49:59.303413Z: passed2026-10-15T05:21:13.391335Z: passed2026-10-15T05:52:29.891709Z: passed2026-10-15T06:23:33.892760Z: passed2026-10-15T06:54:37.699136Z: passed2026-10-15T07:25:46.598624Z: passed2026-10-15T07:57:16.405367Z: passed2026-10-15T08:29:54.396321Z: passed2026-10-15T09:02:24.313225Z: passed2026-10-15T09:33:46.004078Z: passed2026-10-15T10:04:58.501161Z: passed2026-10-15T10:36:06.802306Z: passed2026-10-15T11:07:15.906325Z: passed2026-10-15T11:38:25.302854Z: passed2026-10-15T12:09:26.689678Z: passed2026-10-15T12:40:29.692645Z: passed2026-10-15T13:11:33.793375Z: passed2026-10-15T13:42:40.298760Z: passed2026-10-15T14:13:43.594487Z: passed2026-10-15T14:44:47.688349Z: passed2026-10-15T15:16:01.691657Z: passed2026-10-15T15:47:13.999969Z: passed2026-10-15T16:18:20.599357Z: passed2026-10-15T16:49:27.503473Z: passed2026-10-15T17:20:34.396972Z: passed2026-10-15T17:51:46.289766Z: passed2026-10-15T18:23:41.393004Z: passed2026-10-15T18:54:51.891475Z: passed2026-10-15T19:26:00.716618Z: passed2026-10-15T19:57:23.892332Z: passed2026-10-15T20:28:40.699588Z: passed2026-10-15T20:59:55.705911Z: passed2026-10-15T21:31:26.598464Z: passed2026-10-15T22:02:29.197726Z: passed
PassFailureAverage 1660 ms

Declared skills

Discover Fort

fort-discover

Explain what The Fort That Holds is, what public surfaces exist, and that A2A traffic is sandbox-first with no untrusted payloads opened into Fort production.

discovery · fort · embassy · sandbox · containment

Fort Mail MCP pointer

fort-mail-mcp

Point agents to the public Fort Mail MCP listing and how to connect (no credentials minted here).

mcp · mail · email · agents

Fort catalog / SKUs

fort-catalog

Return live public product links (Seeds, Beta Pass, Secondhand Decisions, Grand Bazaar) for agent discovery. Checkout is for humans; no spend from this embassy.

catalog · stripe · skus · commerce

Registry Agent Card snapshot

Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.

Show JSON
{
  "protocolVersion": "1.0",
  "name": "River — Fort Embassy",
  "description": "Public ambassador for The Fort That Holds LLC. Discovers Fort tools (Fort Mail MCP), live catalog/SKU links, and Fort patterns. Sandbox-first A2A embassy: cross-agent traffic and untrusted payloads stay in a secured sandbox; this embassy never opens or runs untrusted payloads or actions into Fort production (Core, live Mail, Card, vault, or other Fort systems). v0.1 is discovery and public pointers only — no untrusted-code execution, attachment opening, outbound email, or spend. Identifies as River, a bot representing The Fort That Holds — not a human. Embassy door only: not every Fort system flows through A2A.",
  "author": "The Fort That Holds LLC",
  "wellKnownURI": "https://a2a.thefortthatholds.com/.well-known/agent-card.json",
  "url": "https://a2a.thefortthatholds.com/a2a",
  "version": "0.1.0",
  "provider": {
    "organization": "The Fort That Holds LLC",
    "url": "https://thefortthatholds.com/"
  },
  "documentationUrl": "https://papers.thefortthatholds.com/the-fort-pattern/",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": false,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "fort-discover",
      "name": "Discover Fort",
      "description": "Explain what The Fort That Holds is, what public surfaces exist, and that A2A traffic is sandbox-first with no untrusted payloads opened into Fort production.",
      "tags": [
        "discovery",
        "fort",
        "embassy",
        "sandbox",
        "containment"
      ],
      "examples": [
        "What is The Fort That Holds?",
        "Who are you?",
        "Give me a Fort overview"
      ],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "fort-mail-mcp",
      "name": "Fort Mail MCP pointer",
      "description": "Point agents to the public Fort Mail MCP listing and how to connect (no credentials minted here).",
      "tags": [
        "mcp",
        "mail",
        "email",
        "agents"
      ],
      "examples": [
        "Where is Fort Mail MCP?",
        "How do agents use Fort Mail?"
      ],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "fort-catalog",
      "name": "Fort catalog / SKUs",
      "description": "Return live public product links (Seeds, Beta Pass, Secondhand Decisions, Grand Bazaar) for agent discovery. Checkout is for humans; no spend from this embassy.",
      "tags": [
        "catalog",
        "stripe",
        "skus",
        "commerce"
      ],
      "examples": [
        "What does Fort sell?",
        "Link me to Secondhand Decisions",
        "Where are the Selfware Seeds?",
        "Grand Bazaar catalog"
      ],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "58fab43b-abc1-4e80-a410-d23ae767adaf",
  "category": "agent-directories",
  "category_secondary": null
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/58fab43b-abc1-4e80-a410-d23ae767adaf

Test message

Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.

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