x402-checks
by FastDrop
Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents.
Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents. Official MCP Registry: io.github.89rat/x402-checks@1.3.0. Remote endpoint: https://api.code402.dev/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as io.github.89rat/x402-checks and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
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Read directly from the endpoint on 6 Oct 2026. Not supplied by the maker.
crypto_tickerCurrent spot price (USD) for a symbol via the public CoinGecko API; common tickers (btc, eth, …) are mapped to CoinGecko ids automatically. Cached 60s server-side; preflighted so you never pay during
erc20_balanceRaw + formatted ERC-20 balanceOf for an address at any token contract on Base. Decimals read on-chain. Preflighted so you never pay during an RPC outage.
fx_spot_price_oracleHigh-precision fiat & stablecoin foreign exchange spot rates (USDC, EUR, GBP, JPY, etc.) computed from TWAP edge oracles.
block_infoLatest (or specified) Base block header: number, timestamp, transaction count, base fee. Preflighted before payment.
tx_activityOn-chain activity snapshot: total outbound nonce, bytecode check (is_contract), and funded status on Base. Preflighted before payment.
clean_markdown_scraperTransform noisy HTML web documents into clean, LLM-optimized Markdown while preserving semantic headers and links.
context_distillDeterministic text digest: word count, top-5 most frequent meaningful words (stop words excluded), first sentence, and a keccak-256 content hash. Pure function — no external calls, no ML.
instant_json_schema_verifierValidate JSON data payloads against schema definitions. Preflighted for agent tool call pipelines.
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