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@true402.dev/mcp-server

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@true402.dev/mcp-server

MCP server for the true402 machine-native marketplace — give your agent pay-per-call access to AI inference and web tools over x402 (HTTP 402 micropayments in USDC on Base).

No accounts, no API keys. The agent's wallet is its identity: each paid tool returns an HTTP 402 challenge, the server signs an EIP-3009 USDC authorization, and the call settles on-chain. Configure a funded wallet to auto-pay, or run without one and the paid tools will surface the exact payment requirements instead of failing.

Tools

Tool

Price

What it does

chat

per-token + 3%

OpenAI-compatible LLM inference across many models

list_models

free

List available models + pricing

token_safety

$0.005

ERC-20 rug/honeypot pre-check on Base → 0–100 score, risk band, flags, liquidity depth + a buy/sell honeypot simulation

seo_audit

$0.015

SEO + GEO (generative-engine-optimization) audit of a page → structured report

web_extract

$0.005

Fetch a URL → clean text + markdown + links + metadata

link_preview

$0.003

Fetch a URL → Open Graph / unfurl card

robots_check

$0.003

A site's AI-crawler policy (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, …) + sitemaps + llms.txt

headers_check

$0.003

HTTP security-headers analysis (HSTS, CSP, …) + a 0–100 score

new_pairs

$0.003

Newly created Base DEX pairs (Uniswap V3 / Aerodrome) — fresh token launches

liquidity_pulls

$0.003

Liquidity-removal / rug alerts on Base pools

whale_swaps

$0.005

Large swaps on Base by USD size — whale flow

token_report

$0.01

Fuller on-chain token report

Tools are auto-discovered from the live catalog, so new marketplace stalls appear automatically. Prices are illustrative; the live 402 challenge is authoritative.

Related MCP server: Lightning Enable MCP

Example: add token-safety to your agent

A copy-paste reference in examples/token-safety/ — a framework-agnostic x402 client plus a drop-in LangChain tool that rug/honeypot-checks any Base token for $0.005/call.

Install

Requires Node.js ≥ 20. Runs over stdio — point any MCP client at it via npx.

Claude Desktop / Claude Code

Add to your MCP config (claude_desktop_config.json, or .mcp.json for Claude Code):

{
  "mcpServers": {
    "true402": {
      "command": "npx",
      "args": ["-y", "@true402.dev/mcp-server"],
      "env": {
        "WALLET_PRIVATE_KEY": "0xYOUR_FUNDED_BASE_WALLET_KEY"
      }
    }
  }
}

Cursor / Cline / other MCP clients

Same idea — command npx, args ["-y", "@true402.dev/mcp-server"], and the WALLET_PRIVATE_KEY env var.

Configuration

Env var

Default

Description

SERVER_URL

https://true402.dev/api

true402 API base. Override to point at a self-hosted instance.

WALLET_PRIVATE_KEY

(none)

A funded Base wallet private key used to sign x402 payments. Needs USDC (gas is sponsored by the facilitator — no ETH required). Without it, paid tools return the 402 requirements instead of paying.

Security: the key is read only from the environment and is never logged, echoed, or returned. Use a dedicated low-balance wallet — fund it with only what you intend to spend.

How payment works

  1. The tool calls the true402 endpoint with no payment.

  2. The server replies 402 with accepted payment options (USDC on Base).

  3. This MCP server signs an EIP-3009 transferWithAuthorization with your wallet.

  4. It retries with the signed X-PAYMENT header; the service verifies and responds.

  5. Settlement happens on-chain. Your wallet pays only USDC — the facilitator sponsors gas.

Links

License

MIT

Install Server
A
license - permissive license
A
quality
C
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

Resources

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If you are the server author, to access and configure the admin panel.

Tools

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