{"id":161,"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.","card_url":"https://a2a.thefortthatholds.com/.well-known/agent-card.json","endpoint":"https://a2a.thefortthatholds.com/a2a","protocol_version":"1.0","first_seen":"2026-10-07T07:26:21.163384+00:00","last_verified":"2026-10-07T09:27:10.845317+00:00","card":{"name":"River — Fort Embassy","skills":[{"id":"fort-discover","name":"Discover Fort","tags":["discovery","fort","embassy","sandbox","containment"],"examples":["What is The Fort That Holds?","Who are you?","Give me a Fort overview"],"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."},{"id":"fort-mail-mcp","name":"Fort Mail MCP pointer","tags":["mcp","mail","email","agents"],"examples":["Where is Fort Mail MCP?","How do agents use Fort Mail?"],"description":"Point agents to the public Fort Mail MCP listing and how to connect (no credentials minted here)."},{"id":"fort-catalog","name":"Fort catalog / SKUs","tags":["catalog","stripe","skus","commerce"],"examples":["What does Fort sell?","Link me to Secondhand Decisions","Where are the Selfware Seeds?","Grand Bazaar catalog"],"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."}],"version":"0.1.0","provider":{"url":"https://thefortthatholds.com","organization":"The Fort That Holds LLC"},"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.","capabilities":{"streaming":false,"extendedAgentCard":false,"pushNotifications":false},"documentationUrl":"https://papers.thefortthatholds.com/the-fort-pattern/","defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"supportedInterfaces":[{"url":"https://a2a.thefortthatholds.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-07T09:27:10.845317+00:00","source_name":"A2A Registry","source_url":"https://a2aregistry.org/api/agents","last_check":{"checked_at":"2026-10-07T09:27:10.845317+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"skills":[{"skill_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"]},{"skill_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"]},{"skill_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"]}]}