x402 Toolbox MCP server

x402 Toolbox is an MCP server with 14 tools an agent can call, among them enrich_address, get_attestation_log, get_freshness_priced_data. It answers at https://lab.paidapis.net/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 5 of 5 times since 12 September 2026; the last check, on 19 October 2026, succeeded.

Status

Answering

Tools

Reliability

5 of 5 checks

Response time

354 ms

Transport

streamable HTTP

Last checked

19 October 2026

Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP.

Description as the publisher wrote it.

The 14 tools x402 Toolbox offers

Tool	What it does
`enrich_address`	Real on-chain context for a wallet address: contract vs EOA, native balance, transaction count. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/enrich-address for production/agentic use. Inputs: address
`get_attestation_log`	Persisted, doubly-signed log of past oracle attestations from this server. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/attestation-log for production/agentic use. Inputs: limit
`get_freshness_priced_data`	Same gas + ETH/USD data, priced by requested freshness: cached (cheap) or live (guaranteed current). Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/freshness-priced-data for production/agentic use Inputs: freshness
`get_gas_comparator`	Real gas price on Ethereum vs Base side by side, with delta, ratio, and estimated USD cost of a standard transfer on each chain. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/gas-comparator for p
`get_gas_history_export`	Raw Ethereum gas price samples over a date range, JSON or CSV, priced by real row count (min $0.005, max 24h range). Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/gas-history-export for productio Inputs: from, to, format
`get_gas_metrics`	Rolling average/min/max/volatility/trend for Ethereum gas price over a window. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/gas-metrics for production/agentic use. Inputs: windowMinutes
`get_large_transfers`	Recent USDC transfers on Base above a value threshold. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/large-usdc-transfers for production/agentic use. Inputs: minUsd
`get_market_snapshot`	Gas price + ETH/USD price + latest Base block in one call. Optional ?ref=<address> pays that wallet a referral cut. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/market-snapshot for production/ag
`get_normalized_gas`	Ethereum and Base gas price and block data, cleaned into one consistent schema per chain. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/normalized-gas for production/agentic use.
`get_reliable_eth_price`	ETH/USD price with retry-with-backoff and last-known-good cache fallback. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/reliable-eth-price for production/agentic use. Inputs: simulateFailureRate
`get_reputation`	Trust score from real on-chain activity plus our own ledger of settled payments from this address. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/reputation for production/agentic use. Inputs: address
`get_wiki_summary`	Wikipedia article lead section, converted from rendered HTML into clean, tag-free JSON. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/wiki-summary for production/agentic use. Inputs: title
`verify_tx`	Checks whether a Base transaction hash has confirmed on-chain, returns a signed EIP-191 attestation. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/verify-tx for production/agentic use. Inputs: txHash
`verify_tx_multi_source`	Checks a Base tx hash against 3 independent RPC providers in parallel; only signs an attestation if all agree. Free via MCP; the same data is also available pay-per-call at https://lab.paidapis.net/api/verify-tx-multi-source for production/ Inputs: txHash

Add x402 Toolbox to your AI client

Every block below points at https://lab.paidapis.net/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http x402-toolbox https://lab.paidapis.net/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "x402-toolbox": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://lab.paidapis.net/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "x402-toolbox": {
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "x402-toolbox": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "x402-toolbox": {
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "x402-toolbox": {
      "serverUrl": "https://lab.paidapis.net/mcp"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "x402-toolbox": {
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: x402 Toolbox
version: 0.0.1
schema: v1
mcpServers:
  - name: x402 Toolbox
    type: streamable-http
    url: https://lab.paidapis.net/mcp

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "x402-toolbox": {
      "httpUrl": "https://lab.paidapis.net/mcp"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "x402-toolbox": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "x402-toolbox": {
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Flab.paidapis.net%2Fmcp&type=streamable_http&id=x402-toolbox&name=x402%20Toolbox

Is x402 Toolbox up right now?

It answered our last check on 19 October 2026 in 354 ms. Over 5 checks since 12 September 2026 it answered 5. Status here comes from Neuronto's own probes, not from the publisher.

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Questions about x402 Toolbox

How many tools does x402 Toolbox have?

14, as returned by the server's own tools/list on 24 September 2026: enrich_address, get_attestation_log, get_freshness_priced_data, get_gas_comparator, get_gas_history_export, get_gas_metrics, get_large_transfers, get_market_snapshot, and 6 more.

Is x402 Toolbox down?

It answered our last check on 19 October 2026 in 354 ms. Over 5 checks since 12 September 2026 it answered 5.

How do I add x402 Toolbox to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://lab.paidapis.net/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does x402 Toolbox need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.mayer-code. Endpoint host: lab.paidapis.net. ARD identifier: urn:air:io.github.mayer-code:mcp:x402-toolbox. First indexed 12 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.