# Mayer Code X402 Toolbox MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.mayer-code%2Fx402-toolbox
Registry id: `mcp-registry/io.github.mayer-code/x402-toolbox`
Status: live (checked 2026-10-27T03:11:52.443Z)

## Measurements (30 days)

- Uptime: 99.93%
- Checks: 4959
- Outages (90 days): 2

## Install

```json
{
  "mcpServers": {
    "mayer-code-x402-toolbox-mcp-server": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http mayer-code-x402-toolbox-mcp-server https://lab.paidapis.net/mcp
```

## Tools (14)

- `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 ht
- `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.ne
- `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 
- `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 
- `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 availab
- `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.paidapi
- `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-tra
- `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 availabl
- `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://
- `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
- `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
- `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://la
- `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 
- `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

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.