All servers · Crypto & blockchain · Agent payments (x402)

x402 Toolbox

io.github.mayer-code/x402-toolbox · v1.0.0

Measured by MCP Station

Description written by the publisher, not verified

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

Connect

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

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

Tools as reported by the server

• 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/agentic use.
• 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_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 production/agentic use.
• 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.
• 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.
• 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.
• 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.
• 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.
• 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.
• 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/agentic use.
• 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.
• 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.
• 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 production/agentic use.
• 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.

JSON · Text for agents · Registry updated 2026-09-12