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x402 Toolbox

R0· no sign-in

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

v1.0.0 · active · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust74of 100
Uptime, 30 days100%
Latency p50149 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "x402-toolbox": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}
claude mcp add --transport http x402-toolbox https://lab.paidapis.net/mcp
[mcp_servers.x402-toolbox]
url = "https://lab.paidapis.net/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "x402-toolbox": {
      "type": "remote",
      "url": "https://lab.paidapis.net/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "x402-toolbox": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=x402-toolbox&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbGFiLnBhaWRhcGlzLm5ldC9tY3AifQ%3D%3D"
}
{
  "servers": {
    "x402-toolbox": {
      "type": "http",
      "url": "https://lab.paidapis.net/mcp"
    }
  }
}
{
  "mcpServers": {
    "x402-toolbox": {
      "httpUrl": "https://lab.paidapis.net/mcp"
    }
  }
}
extensions:
  "x402-toolbox":
    enabled: true
    name: "x402-toolbox"
    type: streamable_http
    uri: "https://lab.paidapis.net/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: get_normalized_gas (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); enrich_address (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_wiki_summary (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,538 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

14 tools, about 1,538 tokens to load them all · tool set 5ffd5fd3c423 · checked 2026-10-19 16:53 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 74 / 100

no-repository
provenance35
liveness100
freshness85
hygiene80

+reachable +uptime-100% ~updated-37d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://lab.paidapis.net/mcp streamable-httpnoneyes100%149 ms2025-11-252026-10-19

Tools (14)

enrich_addressReal 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_logPersisted, 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_dataSame 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_comparatorReal 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_exportRaw 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_metricsRolling 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_transfersRecent 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_snapshotGas 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_gasEthereum 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_priceETH/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_reputationTrust 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_summaryWikipedia 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_txChecks 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_sourceChecks 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.

Schemas: list_tools.

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Official server.json
{
  "name": "io.github.mayer-code/x402-toolbox",
  "title": "x402 Toolbox",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://lab.paidapis.net/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "description": "Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP."
}