MCP server

x402 Toolbox

io.github.mayer-code/x402-toolbox

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

14

Token cost

About 1,924 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.x402-toolbox]
url = "https://lab.paidapis.net/mcp"

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add x402-toolbox https://lab.paidapis.net/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"x402-toolbox","server_url":"https://lab.paidapis.net/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"x402-toolbox","server_url":"https://lab.paidapis.net/mcp"}

Tools

• enrich_address ~140 tokens
  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.
• get_attestation_log ~142 tokens
  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.
• get_freshness_priced_data ~153 tokens
  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.
• get_gas_comparator ~102 tokens
  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 production/agentic use.
• get_gas_history_export ~196 tokens
  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 production/agentic use.
• get_gas_metrics ~140 tokens
  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.
• get_large_transfers ~138 tokens
  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.
• get_market_snapshot ~99 tokens
  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/agentic use.
• get_normalized_gas ~91 tokens
  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 ~152 tokens
  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.
• get_reputation ~139 tokens
  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.
• get_wiki_summary ~138 tokens
  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.
• verify_tx ~142 tokens
  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.
• verify_tx_multi_source ~152 tokens
  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/agentic use.

Browse

• GitHub tools
• Spreadsheets
• Notes and wikis
• Payments
• GitHub and code hosting

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• fresh-feeds — trending/new/changed MCP servers + x402 change-data API
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• Oh My Share
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