{"name":"Stackbroker","canonical_url":"https://stackbroker.xyz","description":"Stackbroker is the pre-flight layer an agent calls before it spends: policy checks, a reasoned route, payment metadata, receipts, and a sha256-stamped audit proof for every decision.","status":"live-proof-slice","contract_version":"2026-06-01","operator":{"name":"Outbranch Network LLC","contact":"doug@outbranch.net"},"surfaces":{"human":{"apex":"https://stackbroker.xyz","docs":"https://stackbroker.xyz/docs","directory":"https://stackbroker.xyz/directory","managed":"https://stackbroker.xyz/custom-stacks","methodology":"https://stackbroker.xyz/methodology","neutrality":"https://stackbroker.xyz/neutrality","trust":"https://stackbroker.xyz/trust","audit":"https://stackbroker.xyz/audit"},"agent":{"llms_txt":"https://stackbroker.xyz/llms.txt","llms_full":"https://stackbroker.xyz/llms-full.txt","openapi":"https://stackbroker.xyz/openapi.json","ai_plugin":"https://stackbroker.xyz/.well-known/ai-plugin.json","mcp":"https://mcp.stackbroker.xyz","discover":"https://api.stackbroker.xyz/v1/discover","get_service":"https://api.stackbroker.xyz/v1/services/{id}","preflight":"https://api.stackbroker.xyz/v1/preflight","route":"https://api.stackbroker.xyz/v1/route","governance_events":"https://api.stackbroker.xyz/v1/governance/events","audits":"https://api.stackbroker.xyz/v1/audits/{id}","audit_anchors":"https://api.stackbroker.xyz/v1/audits/anchors","methodology":"https://api.stackbroker.xyz/v1/methodology","trust_manifest":"https://api.stackbroker.xyz/v1/services/{id}/trust","signing_key":"https://stackbroker.xyz/.well-known/stackbroker-signing-key","outcomes":"https://api.stackbroker.xyz/v1/outcomes","probe_results":"https://api.stackbroker.xyz/v1/probes/results"}},"neutrality":{"policy_url":"https://stackbroker.xyz/neutrality","machine_readable":"https://api.stackbroker.xyz/v1/methodology","rules":["providers_never_pay: no listing fees, no verification fees, no expedited tiers, no paid placement, no advertising; probing, claim validation, security scanning, and attestation progression are free to providers","subscriptions_buy_access_not_outcomes: subscription tier never affects scores, rankings, verdicts, attestation tiers, risk flags, or audit records"],"verification":{"audit_anchors":"https://api.stackbroker.xyz/v1/audits/anchors","signing_key":"https://stackbroker.xyz/.well-known/stackbroker-signing-key","walkthrough":"https://stackbroker.xyz/audit"}},"trust_scanning":{"scope_url":"https://stackbroker.xyz/trust","semantics":"point-in-time trust evidence; static description/schema analysis + schema drift + endpoint reputation; no runtime traffic inspection; HIGH findings human-reviewed before any public effect; manifests Ed25519-signed, expire, and display as stale","manifest_endpoint":"https://api.stackbroker.xyz/v1/services/{id}/trust"},"live_rest_endpoints":[{"method":"GET","path":"/v1/discover","schema":"DiscoverQuery -> DiscoverResponse","status":"live"},{"method":"GET","path":"/v1/services/{id}","schema":"ServiceCard","status":"live"},{"method":"POST","path":"/v1/preflight","schema":"PreflightRequest -> PreflightResponse","status":"live"},{"method":"POST","path":"/v1/route","schema":"RouteRequest -> RouteResponse","status":"live"},{"method":"GET","path":"/v1/governance/events","schema":"GovernanceStream","status":"live-org-api-key-required"},{"method":"GET","path":"/v1/audits/{id}","schema":"AuditEvent + replay (methodology version, per-factor scores, policy checks, chain link)","status":"live-when-audit-store-provisioned"},{"method":"GET","path":"/v1/audits/anchors","schema":"AuditAnchors (daily Ed25519-signed chain heads)","status":"live"},{"method":"GET","path":"/v1/methodology","schema":"Methodology (factors, weights, version, neutrality invariants)","status":"live"},{"method":"GET","path":"/v1/services/{id}/trust","schema":"TrustManifest (Ed25519-signed, point-in-time)","status":"live-when-scanned"},{"method":"POST","path":"/v1/services/{id}/trust/rescan","schema":"RescanRequest (free; connection token or org API key)","status":"live"},{"method":"POST","path":"/v1/outcomes","schema":"OutcomeRecord","status":"live-validation-and-conditional-persistence"},{"method":"POST","path":"/v1/probes/results","schema":"ProbeResult | ProbeResult[]","status":"live-internal-admin-bearer-token"}],"mcp":{"endpoint":"https://mcp.stackbroker.xyz","transport":"mcp-streamable-http","live_tools":[{"name":"discover_service","input_schema":"DiscoverQuery","output_schema":"DiscoverResponse"},{"name":"get_service","input_schema":"{ service_id: string }","output_schema":"ServiceCard"},{"name":"route_request","input_schema":"RouteRequest","output_schema":"RouteResponse"},{"name":"audit_route","input_schema":"{ audit_id: string }","output_schema":"AuditEvent"},{"name":"submit_verification_result","input_schema":"OutcomeRecord","output_schema":"OutcomeRecord"}]},"mvp_scope":{"included":["fast lookup","service cards","governance preflight","routing","route proofs","route rationale","payment metadata","outcome telemetry validation","provenance","audit identifiers"],"excluded_initially":["long compute","custody of buyer funds","money transmission","unlabeled sponsored routing"]},"current_evidence":{"status":"seed-catalog-plus-outcome-and-probe-aggregation","note":"Seed service-card aggregates may remain null until enough outcome or probe samples exist. Stackbroker does not claim broad benchmark data yet."},"reserved_surfaces":["docs.stackbroker.xyz","directory.stackbroker.xyz","api.stackbroker.xyz","mcp.stackbroker.xyz","app.stackbroker.xyz","admin.stackbroker.xyz","status.stackbroker.xyz","stage.stackbroker.xyz"],"payment_posture":{"preferred":"x402-compatible seller endpoints","launch_architecture":"routing-only","custody":false}}