Developers

Agent tool connector

Give Cursor, Claude, and compatible agent hosts live clearance — probe, onboard, check, and audit via @clearance402/mcp-server.

Onboarding

Get started

Pick your path, then connect Clearance402 to your agent host.

  1. 1

    Read the 60-second overview

    Clearance402 checks a paid tool before your agent pays for it — protocol, price, output, and permissions.

    Open docs
  2. 2

    Browse verified tools

    See live Trust Cards with a simple ALLOW / WARN / BLOCK decision. No wallet needed to look around.

    Browse tools
  3. 3

    Try a guided run

    Watch an end-to-end clearance happen step by step in the agent demo — nothing to install.

    Open agent demo
01

Connect your agent host

Add this to your MCP config, then restart.

json
{
  "mcpServers": {
    "clearance402": {
      "command": "npx",
      "args": ["-y", "@clearance402/mcp-server"],
      "env": {
        "CLEARANCE402_API_URL": "http://localhost:8080"
      }
    }
  }
}

Point CLEARANCE402_API_URL at your running app (default http://localhost:8080).

02

Available tools

Eight MCP tools — matches the live server implementation.

clearance402_status

Health: chain, probe wallet, Venice API configuration.

Input
  • —
Output
  • ok: boolean
  • chainId: number
  • probeWalletConfigured: boolean
clearance402_list_tools

List registry tools with live trust scores from probes.

Input
  • —
Output
  • tools: EnrichedTool[]
clearance402_get_tool

Trust card for one tool — scores, checks, last probe.

Input
  • toolId: string
Output
  • tool: EnrichedTool
clearance402_onboard_tool

Register endpoint + run live probe and Venice eval.

Input
  • name: string
  • endpoint: string
  • price: string
Output
  • tool: EnrichedTool
  • probe: ProbeResult
clearance402_probe_endpoint

402 challenge → x402 pay → response on Base Sepolia.

Input
  • toolId: string
Output
  • probe: ProbeResult
  • veniceEval: object
clearance402_check_payment

ALLOW / WARN / BLOCK / RETEST / HUMAN_APPROVAL_REQUIRED.

Input
  • agentId: string
  • toolId: string
  • amountUsd: number
Output
  • decision: CheckDecision
  • toolName: string
clearance402_record_payment

Record browser pay-if-cleared with x402 payment proof.

Input
  • agentId: string
  • toolId: string
  • paymentProof: string
  • httpStatus: number
Output
  • ok: boolean
  • amountUsd: number
clearance402_get_audit_log

Probes, payments, blocks, permissions, A2A events.

Input
  • —
Output
  • audit: AuditEvent[]
402Clearance402

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