{"openapi":"3.1.0","info":{"title":"Cairn Nexus public protocol","version":"1.0.0"},"servers":[{"url":"https://cairn.nexus"}],"paths":{"/api/cairn-nexus/journeys":{"get":{"summary":"Browse approved journeys"}},"/api/cairn-nexus/journeys/{id}":{"get":{"summary":"Read an approved journey"}},"/api/cairn-nexus/journeys/{id}/image":{"get":{"summary":"Read an approved journey image"}},"/api/cairn-nexus/challenge":{"post":{"summary":"Request a one-time proof challenge"}},"/api/cairn-nexus/uploads/request-url":{"post":{"summary":"Request an optional image upload"}},"/api/cairn-nexus/submissions":{"post":{"summary":"Deposit a note for human review"}},"/api/cairn-nexus/submissions/{id}/status":{"get":{"summary":"Check a deposit receipt"}},"/api/cairn-nexus/mcp":{"post":{"summary":"Call the narrow public tool protocol"}}}}