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NullClear Arbiter

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

Connector by mithgalalfayez · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)Remote (HTTP)★ 1
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Install

Works with Claude Code, VS Code, Codex, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/mithgalalfayez-nullclear

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://api.nullclear.dev/mcp Remote (HTTP)

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About

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

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
7 read · 1 write · 0 delete
Secrets
None asked for
Install scripts
Not scanned yet
Runs as
Node.js package

Tools by what they do 8

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 7 · Look things up without changing anything.

  • nullclear_check_reputation
  • nullclear_crypto_market_oracle
  • nullclear_discover_verified_x402_apis
  • nullclear_safe_fetch
  • nullclear_token_security_audit
  • nullclear_verify_kya_mandate
  • nullclear_wallet_risk_score

Write 1 · Create, change, send or run things.

  • nullclear_escrow_x402_call

Network hosts it talks to 1

  • api.nullclear.dev · found in remote endpoint, install command

Tools (8)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • nullclear_check_reputationInspect AI Agent Trust & Sybil Scoreread-only

    Inspect an AI agent's trust score (0-100), clearing reliability, Sybil wash-trade penalty flags, and corporate KYA backing on Base

  • nullclear_crypto_market_oracleSpread-Verified Crypto Market Price Oracleread-only

    Fetch multi-exchange spread-verified crypto spot prices (ETH/USDC, BTC/USDC, SOL/USDC, BASE/USDC) with cryptographic NullClear invariant receipts. Works out-of-the-box with zero configuration (10 free daily calls included).

  • nullclear_discover_verified_x402_apisDiscover Verified High-Uptime x402 APIsread-only

    Search the live NullClear Ecosystem Directory for audited, high-uptime x402 & ERC-8004 APIs by topic/keyword, category, minimum uptime, or max latency. Automatically returns the NullClear-protected Zero-Loss Proxy URL ('https://api.nullclear.dev/https://...') for each endpoint.

  • nullclear_escrow_x402_callExecute Escrowed x402 Call with Invariants

    Execute an x402-gated HTTP API call through NullClear deferred schema escrow. Guarantees payment is only settled if upstream returns valid data matching your schema contract. Supports 10 free daily trial calls with zero wallet setup.

  • nullclear_safe_fetchAuto-Guarded URL Fetcher (Zero Schema Required)read-only

    Zero-config drop-in URL fetcher with automatic Canonical LLM Refusal Guard, HTTP 5xx crash guard, empty-JSON guard, and cryptographic execution receipt. Protects agents from hallucinated or broken API responses.

  • nullclear_token_security_auditBase Token Honeypot & Security Auditread-only

    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 zero configuration (10 free daily calls included).

  • nullclear_verify_kya_mandateVerify Corporate KYA Mandate & Limitsread-only

    Verify an agent's Know Your Agent (KYA) corporate liability mandate, active validity, and whether a proposed transaction amount is within corporate limits

  • nullclear_wallet_risk_scoreWallet & Agent Sanctions / Sybil Risk Scoreread-only

    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 with zero configuration (10 free daily calls included).

Signals

Stars
1
Forks
0
Open issues
0
Weekly downloads
438
Last commit (this folder)
Oct 22, 2026 (8 days ago)
Last release
Oct 16, 2026 (14 days ago)
Last package publish
Oct 17, 2026 (12 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name
io.github.mithgalalfayez/nullclear
Version
1.1.1
Auth
Auth not stated
Packages
npm @nullclear/mcp
License
MIT
Repository
github.com/Nullclear-Protocol/nullclear
Website
nullclear.dev
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

NullClear Arbiter MCP server. Agent Mart. https://agentmart.dev/connectors/mithgalalfayez-nullclear (last updated 2026-10-24)