x402 Oracle

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "x402 Oracle": {
      "url": "https://x402orcle.vercel.app/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• oracle_health

  Free liveness + seller posture (payTo configured, no spend key, network, demo/live).

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• oracle_pricing

  Free menu of paid consults, A2A tasks, and connect how-to. No keys requested.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• oracle_ask

  Paid x402/MCP/A2A/Bazaar consult. JSON wisdom envelope: verdict, wisdom, developer build notes, risk, citations, receipt.

  Parameters:

  • question (required) — string
  • audience — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• oracle_diagnose_402

  Post-mortem a 402 handshake: PAYMENT-REQUIRED shape, bazaar extension, network, asset, resource.url.

  Parameters:

  • challenge_b64_or_json (required) — string
  • resource_url — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• oracle_review_mcp

  Review an MCP paid-tool server for createPaymentWrapper, free health tool, discovery extension, burner isolation.

  Parameters:

  • mcp_url (required) — string
  • notes — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• oracle_bazaar_rewrite

  Rewrite serviceName (≤32), description (≤500), tags (≤5) for buyer-query rank. Warns on first-index freeze.

  Parameters:

  • current_description (required) — string
  • buyer_phrases — array

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• complete_oracle_task

  Outcome A2A task: typed diffs, operator handoff notes, and revenue/risk for a concrete x402 shipping goal.

  Parameters:

  • goal (required) — string
  • constraints — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Publisher website Repository

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.