io.github.mithgalalfayez/nullclear

up checked 2026-11-11T00:38:22.536Z

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Publisher-provided title

NullClear Arbiter

Publisher-provided description

Autonomous x402 payment schema-escrow arbiter, spend firewall, failover & ERC-8004 Sybil oracle

Summary by lookupd

Lets agents escrow x402-gated API calls, check wallet and agent reputation, audit tokens, simulate transactions, and fetch clean web pages.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http nullclear https://api.nullclear.dev/mcp

Claude Code, npm package (stdio)

claude mcp add nullclear -- npx -y @nullclear/mcp

Codex, remote (streamable-http)

codex mcp add nullclear --url https://api.nullclear.dev/mcp

Codex, npm package (stdio)

codex mcp add nullclear -- npx -y @nullclear/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "nullclear": {
      "url": "https://api.nullclear.dev/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "nullclear": {
      "command": "npx",
      "args": [
        "-y",
        "@nullclear/mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (13 tools)

Publisher-provided text

• scan_token_forensics [ZERO API KEY REQUIRED] Block-pinned on-chain security, EIP-1967/1822 proxy resolution, instruction-boundary opcode disassembly, honeypot, and buy/sell tax audi
• inspect_contract_abi_and_proxy [ZERO API KEY REQUIRED] Resolves EIP-1967, EIP-1822, and EIP-1167 proxy implementation addresses via eth_getStorageAt and extracts decoded 4-byte PUSH4 function
• decode_calldata_or_failed_tx [ZERO API KEY REQUIRED] Universal Calldata, Custom Revert Error & Failed Transaction Post-Mortem Decoder. Accepts raw hex calldata/revert bytes (0x...) OR a 66-
• simulate_transaction_preflight [ZERO API KEY REQUIRED] Pre-flight EVM transaction simulator. Dry-runs eth_call + eth_estimateGas on Base or Ethereum before signing/broadcasting, decodes any c
• read_url_clean_markdown [ZERO API KEY REQUIRED] Converts any public web URL or documentation page into clean, token-efficient Markdown (<400 tokens) with cryptographic SHA-256 provenan
• nullclear_discover_verified_x402_apis Search the live NullClear Ecosystem Directory for audited, high-uptime x402 & ERC-8004 APIs by topic/keyword, category, minimum uptime, or max latency. Automati
• nullclear_token_security_audit Audit any Base ERC-20 token address for honeypot risk, buy/sell taxes, verified bytecode, and x402 compatibility via NullClear Bazaar. Works out-of-the-box with
• nullclear_wallet_risk_score Check any wallet or agent address on Base for OFAC sanctions, Sybil wash-trading concentration flags, and ERC-8004 counterparty reputation. Works out-of-the-box
• nullclear_crypto_market_oracle Fetch multi-exchange spread-verified crypto spot prices (ETH/USDC, BTC/USDC, SOL/USDC, BASE/USDC) with cryptographic NullClear invariant receipts. Works out-of-
• nullclear_safe_fetch Zero-config drop-in URL fetcher with automatic Canonical LLM Refusal Guard, HTTP 5xx crash guard, empty-JSON guard, and cryptographic execution receipt. Protect
• nullclear_escrow_x402_call Execute an x402-gated HTTP API call through NullClear deferred schema escrow. Guarantees payment is only settled if upstream returns valid data matching your sc
• nullclear_check_reputation Inspect an AI agent's trust score (0-100), clearing reliability, Sybil wash-trade penalty flags, and corporate KYA backing on Base
• nullclear_verify_kya_mandate Verify an agent's Know Your Agent (KYA) corporate liability mandate, active validity, and whether a proposed transaction amount is within corporate limits

Details

• Version: 1.1.1
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 351 ms
• First indexed: 2026-11-01T09:41:08.910Z
• Last seen in registry: 2026-11-01T09:41:08.910Z
• Repository: https://github.com/Nullclear-Protocol/nullclear
• Website: https://nullclear.dev

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