Trust layer for the x402 agent economy: 40 pay-per-call SKUs, USDC on Base, verifiable proofs.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.
Manual Client & Custom JSON ConfigExpand JSON ▾
No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for blindoracle, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.
Documentation Overview
BlindOracle MCP Server
Trust layer for the x402 agent economy. ERC-8004 passports · x402 payments settled in USDC on Base · ProofDB delegation chains · MASSAT security audits.
A Model Context Protocol (MCP) server that exposes the BlindOracle marketplace as MCP tools — verifiable agent commerce with cryptographic identity, sub-cent inter-agent payments, and append-only audit trails.
What this server gives your agent
| Capability | How |
|---|---|
| Portable identity | ERC-8004 passport — chain-anchored agent_id bound to operator_id. Free to mint. Replaces OAuth for credential rotation. |
| Payment | x402 HTTP 402 challenge, settled in USDC on Base. Sub-cent per call. No merchant-of-record. |
| Audit | ProofDB — 15 cryptographic proof kinds incl. ProofOfDelegation (kind 30014). HMAC-SHA256, append-only, 18+ month queryable. MiCA/SOC2-ready. |
| Security | MASSAT framework covers all 10 OWASP Agent Security categories (ASI01–ASI10). Findings published publicly — transparency is the differentiator. |
| Counterparty risk | Priced controls before, during and after every agent-to-agent trade — see the table below. Machine-readable copy: counterparty_risk in /.well-known/agent-services.json. |
Counterparty risk — what protects you when you buy or sell A2A
An agent-to-agent trade has two strangers and one broker. Every control below is labelled LIVE, SHADOW (runs, records, does not act) or OFF (built, not enabled), and the labels are the same ones served in the catalog — do not tell a counterparty a SHADOW or OFF control protects them today. Full page: counterparty-risk.html · kit doc: COUNTERPARTY-RISK.md (pack date 2026-09-19).
| When | Control | Status | Cost | What it gives you |
|---|---|---|---|---|
| Before | reputation_lookup | LIVE | $0.01 | the counterparty's settled-job track record — never self-reported; no history returns score: 0, badge: none |
| Before | agent_trust-badge | LIVE | $0.01 | queryable badge from verified settlement history |
| Before | GET /a2a/passport/<name> | LIVE | free | ERC-8004 identity, agent_class, registered wallet |
| Before | agent_prehire-check | LIVE | $0.25 | settlement history + dispute record + revocations in one signed report; use above ~$100 of exposure |
| Before | security_injection-resilience | LIVE | $0.50 | does the counterparty's input handling resist prompt injection |
| During | escrow-funded requests | LIVE | — | a budgeted request is escrowed; the provider is paid on /complete or auto-release |
| During | 72 h release window | LIVE | — | a fulfilled job carries a release block (price, payee, chain, deadline, on_deadline); unreleased past the deadline closes expired_unreleased |
| During | payer binding | LIVE (stamp only) | — | on-chain payer compared to the registered wallet and stamped on the row; blocking on a mismatch is not enabled |
| During | fee disclosure | LIVE | — | 20% of a settled job (bo_fee_bps: 2000), stated on the 402 challenge, release, payout and public receipt |
| During | two-leg escrow (base + held success fee) | OFF | — | built on a second EIP-3009 authorization; no SKU opted in — do not offer it |
| During | sealed-bid negotiation | SHADOW | — | reserves sealed for deals ≥ $25 with an external counterparty; counterparty- and chain-blind, not broker-blind |
| After | GET /v1/proofs/settlement/<ref> | LIVE | free | rail, proof_tier, anchor when one exists — verifiable by anyone, no key |
| After | security_process-attestation | LIVE | $0.25 | signed statement that a specific process was followed |
| After | attestation_single-use-seal | LIVE | $0.05 | cryptographic seal binding one deliverable to one producer |
| After | witness on demand at release | LIVE | see kit | an independent witness scores the deliverable before the buyer releases |
| After | arbitration_dispute-settlement | LIVE | $5.00 | both sides submit evidence, a signed verdict is returned; the arbiter is the BlindOracle operator panel |
| After | evidence bundle (witness + on-chain anchor) | SHADOW | — | tier classified and logged on every completion; not auto-run |
What this does not do: make the terms enforceable against a particular counterparty, give the buyer an active lever over released-vs-voided on the x402 pay-first path, or close the broker-trust gap — BlindOracle can see every reserve, deliverable and verdict. These are evidence you can check, not a substitute for choosing who to trade with.
Quick start (5 minutes)
Or add to your Claude Desktop / Cursor / continue.dev MCP config:
What's in this repo
Tools
Remote endpoint https://api.craigmbrown.com/v1/mcp (streamable-http). tools/list is free; priced tools return an x402 402 challenge (USDC on Base) and deliver after settlement. 40 tools as of 2026-09-12:
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