mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments
85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.
| Endpoint | https://mcp-x402.onrender.com/mcp (streamable-http) |
|---|---|
| Registry version | 2.3.0 |
| Now | 6 tools · grade C (78) · pin ts_b8d96a1a7d0bdf3d29696ce034e18d90 · protocol 2025-06-18 |
| First / last listed | 2026-10-28 07:43 UTC / 2026-10-28 07:43 UTC |
| Grade over time | 2026-10-28: C (78), 6 tools |
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Tools: sml_discover sml_status x402_contract interfere leviathan_interfere spend_gate_check
sml_discover | Find the x402 Gateway contract and where to inspect fresh payment requirements. FREE. params: none |
sml_status | Check the public x402 Gateway identity and canonical payment rail. FREE. params: none |
x402_contract | Inspect the canonical x402 payment contract. Returns network, USDC asset, payTo, headers, and the rule for resolving fresh target requirements. FREE. params: none |
interfere | Coherent Gate (PAID, x402/USDC). Scores whether your trading-signal paths agree: confidence-weighted long/short/flat consensus, coherence 0-1, and a pass/block gate (pass needs a non-flat consensus and coherence at or above the threshold, default 0.6). Tiers by path count: scout ≤4 $0.01, standard ≤8 $0.05, beast ≤32 $0.25 (defaults). The $0.25 max tier is charged upfront; on the x402 rail the unu params: paths, ticker, sources, wallet_address, payment_tx_hash, payment_header, arc_auth_id |
leviathan_interfere | Coherent Gate + Leviathan (PAID, x402/USDC). Fetches the SML Leviathan signal (squeeze, momentum, or all) for a ticker, adds it as one path with your optional paths and registered sources, then runs the same coherence check as interfere: consensus, coherence 0-1, pass/block gate. Same tiers and billing as interfere ($0.25 max tier charged upfront; x402 difference recorded as owed, Arc rail capture params: ticker*, signal_type*, paths, sources, wallet_address, payment_tx_hash, payment_header, arc_auth_id |
spend_gate_check | Spend Gate (PAID $0.005 USDC on Base via x402). Ask Jev before you spend: checks whether an agent wallet should pay a payee a quoted USDC amount. Four independent paths vote pay-side/reject-side — provider_trust (Provider Trust verify_provider) and payload_safety (ScriptDocs vulnerability check, only when manifest_url names an npm/PyPI/crates package) — both vote with real verdicts via the fleet o params: payee*, quoted_amount*, tool_category, policy_cap_usdc, manifest_url, wallet_address, payment_tx_hash, payment_header |
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