generated: '2026-09-13' method: probed source: >- tools/list against https://proof.arakelproof.space/mcp (JSON-RPC over Streamable HTTP, text/event-stream). Endpoint documented in llms.txt, skill.md, and the agent card. name: ARAKEL Machine Evidence Network deployment: mode: remote endpoint: https://proof.arakelproof.space/mcp auth: none auth_note: >- tools/list and every exposed MCP tool are FREE preflight/quote tools and need no auth. Paid product execution happens on the REST surface and is gated by x402 payment (HTTP 402, USDC on Base), not by an MCP credential. verified: probed transport: streamable-http x-evidence: fetched: '2026-09-13' method: tools/list http_status: 200 content_type: text/event-stream tool_count: 10 tools: - name: catalog description: List free preflight and paid Federal Register evidence products - name: coverage description: Check observation coverage before buying a NOT_OBSERVED proof required: [from, to] - name: coverage_status description: Inspect persistent autonomous observation status - name: quote description: Free Federal Register quote / preflight required: [term, from, to] properties: [term, from, to, product] - name: discovery_status description: Discovery/observation status - name: machine_sources description: List configured/enabled official source adapters - name: machine_quote description: Multi-source machine quote across enabled official sources required: [source, from, to] properties: [source, entity, event_type, term, from, to, product] - name: counterparty_quote description: Counterparty preflight quote across government sources required: [entity, from, to] properties: [entity, term, from, to] - name: batch_quote description: Batch preflight quote for multiple items required: [items] - name: machine_sales_telemetry description: Aggregate x402 sales telemetry (non-PII) note: >- The MCP surface exposes ONLY free preflight/quote/telemetry tools. The paid evidence products (OFAC/FDA/USAspending/Federal Register lookups, signed proofs, counterparty dossiers) are exercised over the REST API and paid via x402; the MCP quote tools tell an agent whether a paid REST call is worth making. See mcp/arakel-tool-crosswalk.yml.