Checkpoint402
Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).
| Endpoint | https://api.checkpoint402.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 7 tools · grade A (97) · pin ts_1d6b71762637e7fd3d60a81e47d49218 · protocol 2025-06-18 |
| First / last listed | 2026-11-07 02:25 UTC / 2026-11-07 02:25 UTC |
| Grade over time | 2026-11-07: A (97), 7 tools |
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Tools: list_services explain_transaction find_defi_yields new_token_safety_feed token_safety_check sec_8k_company_events ofac_sanctions_screen
list_services | Free. Lists every Checkpoint402 data service with its price, inputs, example output link and how payment works. params: none |
explain_transaction | Paid: $0.03 USDC per successful call via x402 (not charged on errors). Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data. params: hash*, chain |
find_defi_yields | Paid: $0.05 USDC per successful call via x402 (not charged on errors). Top DeFi yields across 16k+ pools, filtered by asset, chain, minimum TVL and risk, each with a simple explained risk tier (outlier APY, thin TVL, reward-heavy, IL exposure). Data: DefiLlama. params: asset, chain, minTvlUsd, stablecoinOnly, maxRisk, limit |
new_token_safety_feed | Paid: $0.10 USDC per successful call via x402 (not charged on errors). Newly launched token pools on Base, Ethereum or BSC, each with a 0-100 safety score and explicit red flags (honeypot, unverified code, mintable, owner powers, high tax, unlocked liquidity, whale concentration). Data: GeckoTerminal + GoPlus. params: chain, minScore, limit |
token_safety_check | Paid: $0.02 USDC per successful call via x402 (not charged on errors). Is this token a scam? Checks any token on Base, Ethereum or BSC and returns a 0-100 safety score, a verdict, red flags (honeypot, hidden fees, owner powers, unlocked liquidity, whale concentration, creator's past honeypots), good signs and a plain-English summary. Data: GoPlus + DexScreener. params: address*, chain |
sec_8k_company_events | Paid: $0.10 USDC per successful call via x402 (not charged on errors). Latest SEC 8-K filings — market-wide within minutes of filing, or for one ticker — with each item code translated to plain English, high-impact events flagged (earnings, CEO changes, M&A, bankruptcy, cyber incidents) and AI summaries of the filing text. params: ticker, item, highImpactOnly, limit |
ofac_sanctions_screen | Paid: $0.05 USDC per successful call via x402 (not charged on errors). Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed. params: name, address, threshold, limit |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.