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MoneyTools Tools

dev.moneytools/toolsVersion 1.1.25

Call for a cheap read-only utility: 100+ tools; free daily tier; not charged on failure

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Nov 14, 2026, 14:26 UTC
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Nov 14, 2026, 21:12 UTC

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https://tools.moneytools.dev/mcpResponds99 ms
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Claude Code

claude mcp add --transport http tools https://tools.moneytools.dev/mcp

Claude Desktop and claude.ai

Settings > Connectors > Add custom connector
Name: tools
Remote MCP server URL: https://tools.moneytools.dev/mcp

Cursor

{
  "mcpServers": {
    "tools": {
      "url": "https://tools.moneytools.dev/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"tools","type":"http","url":"https://tools.moneytools.dev/mcp"}'

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Tools

106 tools

Tools of MoneyTools Tools
Read-only
Idempotent
Open world
a2a_card_validateFetch /.well-known/agent-card.json (or legacy agent.json) and validate required A2A fields, skills, transport and security declarations. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
abi_encodeBuild calldata from a function signature and arguments (selector + encoded args). Unsigned bytes only, for agents preparing a tx for a human or wallet to review. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
address_profileProfile an EVM address or ENS name across Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche: EOA vs contract vs EIP-7702 delegated, nonce, native balances, primary ENS name, known-contract label. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
address_validateWhich network is this address for, and is it well-formed? EVM checksum, Bitcoin (legacy/P2SH/SegWit/Taproot), Litecoin, Dogecoin, Tron, Solana, Cosmos bech32, TON. Catches typos before sending. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
agent_budget_checkCheck a planned list of agent payments against a USD budget and per-payment limit; flags invalid/zero payees, duplicates and over-budget. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
allowance_revoke_planFind risky ERC-20 approvals for a wallet (default: common tokens × 20 well-known routers/spenders, or your own lists) and get UNSIGNED approve(spender,0) revoke transactions. Read-only. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
apr_apyConvert APR to APY (or back) for any compounding frequency, project earnings over N days with optional performance fee, doubling time. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
block_at_timeFind the last block at or before a date/time on any of 7 EVM chains (interpolation search). For historical balance queries, snapshots and log ranges. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
broken_linksExtract links from a page and check up to 12 of them (HEAD, GET fallback): status, redirects, latency, broken list. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
btc_addressConfirmed and pending BTC balance (and USD from mempool.space prices), tx count, address type and reuse for any Bitcoin address. Source: mempool.space public API (blockstream.info / mempool.emzy.de fallback). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
btc_feesRecommended sat/vB for next block, 30 min, 1 hour and economy, and what your transaction will cost in sats and USD (USD from mempool.space prices). Source: mempool.space public API. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
business_daysCount business days between dates or add N business days, using US federal holidays or plain weekdays (country=none). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
cache_control_parseParse a Cache-Control header into structured directives (max-age, no-store, immutable...) and optionally estimate remaining freshness from Age or Date. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
calldata_decodeDecode raw EVM calldata before signing: function name and typed arguments via the open Sourcify signature DB (or your ABI / signature), plus a plain-language meaning for risky selectors (approve, setApprovalForAll, permit...). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
chain_infoChain id → name, native currency, public RPCs, explorers, CAIP-2 id and a ready wallet_addEthereumChain object. Source: ethereum-lists/chains (CC0 1.0) via jsDelivr. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
color_convertConvert hex/rgb/hsl/CSS names to hex, RGB, HSL, CMYK; luminance, best text color and WCAG AA/AAA contrast against another color. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
content_hashSHA-256/1/384/512 of a text body for cache keys and content addressing. Optional normalize (lf, trim, json canonical). Returns hex, base64, short prefix and byte length. Input not stored. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
contract_abiFetch a verified contract's ABI from Sourcify (open data) with proxy resolution: implementation ABI merged, function and event signature lists. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
cron_next_runsNext N run times of a 5-field cron expression (or @daily etc.) in any IANA time zone, with a plain-language description. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
csv_diffDiff two CSV strings: added/removed/changed rows. Matches on an id-like key column when present (or pass key=), otherwise by row index. Returns a compact summary. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
csv_json_convertCSV to JSON (auto delimiter, headers, typed values, error rows) or JSON array to CSV. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
currency_convertConvert fiat amounts with daily ECB reference rates (Source: ECB statistics, via frankfurter.dev). Only currencies published by the ECB are supported. Not tradable quotes. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
dns_lookupA/AAAA/CNAME/MX/TXT/NS/CAA (or chosen types) via DNS-over-HTTPS, DNSSEC flag, SPF/DMARC/DKIM detection and common misconfigurations. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
dns_propagationQuery 6 public resolvers (Cloudflare, Google, AdGuard, NextDNS, AliDNS, DNSPod) and compare answers: has my DNS change propagated? Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
domain_rdapRegistrar, creation/expiry dates, age in days, status codes, nameservers and DNSSEC from RDAP; flags very new domains (phishing signal) and near expiry. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
duration_parseParse ISO 8601 (P1DT2H30M), hh:mm:ss or human durations ('1h 30m', '2 weeks') to seconds, ISO and human form; optional end time from a start date. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
ens_availableIs name.eth available? Registered / grace period / available, expiry date, yearly base price and registration link. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
ens_resolveResolve an ENS name to an address (+ url/avatar/twitter/github records, optional L2 addresses), or an address to its primary ENS name with forward verification. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
erc20_infoName, symbol, decimals, total supply, owner, paused, upgradeable-proxy detection and (optional) a holder's balance for any ERC-20. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
erc4626_vaultYield vault facts: underlying asset, total assets, share price (assets per share), deposits open, and a holder's position. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
extract_entitiesPull emails, URLs, EVM addresses, tx hashes, BTC addresses, phone numbers, dates, money amounts, IPs, hashtags and @mentions out of any text. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
feed_parseParse a feed (or autodiscover it from a web page) into clean JSON: title, latest items with link, date and summary. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
gas_compareCurrent gas on 7 EVM chains: base fee, priority fee, suggested maxFee, and the native-token cost of a transfer, ERC-20 transfer, approve and DEX swap. Among ETH-gas chains, names the cheapest for a typical swap (on-chain fees only, no USD conversion). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
hash_encodesha256/sha1/sha512/md5/keccak256, function selector, HMAC-SHA256, base64(url), hex, URL encoding, UUIDs, JWT decode (unverified), EVM checksum address. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
hmac_verifyVerify an HMAC (SHA-256/1/384/512) over a message with a caller-supplied secret. Returns valid bool. Secret is request-body only and never stored — for webhook authenticity checks. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
html_to_markdownUse this when an agent needs clean, LLM-ready Markdown from a public web page or raw HTML: main content, title, metadata and links (scripts, nav and ads removed). No free tier. 0.02 USDC per successful page; failed fetches, robots-blocked URLs and empty content are not charged. No free tier; $0.02/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits. Failed calls are not charged.NoYesYesYes
http_inspectFetch a URL and report status, redirect chain, latency, size, cache headers, CORS, parsed rate-limit headers (RateLimit-*, X-RateLimit-*, Retry-After) and a security-headers grade. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
http_link_parseParse an RFC 8288 Link response header into structured links with rel/type/title, plus byRel map and next/prev/first/last shortcuts for pagination. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
iban_validateCheck an IBAN's country length and mod-97 check digits, return BBAN and print format. Not stored. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
id_generateGenerate UUID v4/v7, ULID or nanoid (up to 100), or decode a UUID/ULID to its version and embedded timestamp. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
idn_homograph_checkDecode punycode, detect mixed scripts and look-alike characters (Cyrillic а vs Latin a) and one-letter typos of major brands/wallets. Anti-phishing for agents. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
impermanent_lossLP value vs holding after a price move: full-range (Uniswap v2) and concentrated range (v3, lower/upper) impermanent loss. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
ip_cidrIPv4/IPv6 subnet math: network, range, size, netmask/wildcard, private/reserved type, contains-check and subnet split. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
ip_ownerWho owns this IP? Network name, CIDR, country, organization and abuse contact from the regional internet registries (RDAP). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
json_diffStructural diff of two JSON values: added/removed/changed paths (JSON Pointer) and an RFC 6902-style patch. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
json_formatValidate JSON (error line + context), pretty-print/minify/sort keys, measure depth and size, and pick a value by path like a.b[0].c. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
json_queryExtract values from JSON with a JSONPath-like path: a.b[0], a[*].b, a[-1], slices and filters like items[?(@.price>=10)]. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
json_repairFix broken JSON from LLMs: code fences, leading prose, comments, single quotes, bare keys, trailing commas, Python True/None, truncated strings and unclosed brackets. Returns parsed JSON + list of fixes. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
json_schema_validateValidate JSON data against a JSON Schema (draft 4, 7, 2019-09, 2020-12) and get precise error paths. Use it to check tool outputs or API payloads. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
jwt_inspectDecode a JWT, explain its claims (expired? lifetime?) and verify RS/PS/ES/EdDSA signatures against a public JWKS URL or the issuer's OIDC discovery. No secrets needed or stored. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
language_detectDetect the language of a text (82 languages, ISO 639-3 + BCP 47), including Traditional vs Simplified Chinese. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
liquidation_pricePerp (isolated margin: side, entry, leverage, maintenance margin) or lending (collateral, debt, liquidation threshold → health factor) liquidation price and distance. Risk math, not advice. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
llm_cost_estimateUSD cost of a prompt across 22 popular models (GPT, Claude, Gemini, Grok, DeepSeek, Llama, Mistral) from token counts or raw text, sorted cheapest first. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
llms_txt_validateCheck a site's /llms.txt against the llmstxt.org format: H1, summary, sections, link entries with notes; optional link check. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
loan_amortizationMonthly payment, total interest and schedule for annuity (本息平均攤還) or equal-principal (本金平均攤還) loans. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
markdown_to_htmlRender GitHub-flavored Markdown to HTML with raw HTML escaped and script URLs removed; also returns the heading outline. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
math_evalEvaluate arithmetic exactly instead of guessing: + - * / ^ %, parentheses, sqrt/ln/log/round/min/max/pow, pi/e and named variables. No code execution. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
mcp_token_measureMeasure how many context tokens a remote MCP server's tools/list costs vs a slim one-line index, per tool. Links MoneyTools Slim (slim.moneytools.dev), an MCP tool-list measurement/trim utility (clients like Claude Tool Search already defer tool loading). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
mcp_tools_lintConnect to an MCP server (streamable HTTP) or take a tools/list array and lint every tool: names, descriptions, JSON Schema, required params, annotations; score + fixes. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
mime_sniffGuess Content-Type from a filename extension and/or magic bytes (base64 snippet) or text peek. Returns confidence and which signal won. No file stored. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
moneytools_trends_detailPaid ($0.05 USDC on Base via x402 over MCP), read-only, no arguments: MoneyTools detailed agent trends: 30 days per-day tool calls + top tokens queried (aggregate, no personal data). Unpaid calls return the x402 PaymentRequired; retry with params._meta["x402/payment"].NoYesYesNo
nft_metadataERC-721/1155 token: standard, collection name, owner, tokenURI resolved (IPFS/Arweave/data URI) and the metadata JSON with image URL; says whether metadata is on-chain, IPFS or a mutable server. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
number_baseConvert big integers between bases 2-36 (hex/bin/oct/dec, 0x/0b/0o prefixes) with two's complement for 8-256 bits. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
og_image_checkDoes the page's og:image work in link previews? Fetches it and checks status, type, file size, pixel dimensions and aspect ratio (1200×630). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
openapi_lintLint an OpenAPI/Swagger JSON or YAML: operationIds, descriptions, responses, undeclared path params, missing security schemes, servers, x402 payment info. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
partner_program_infoFree. How to earn by recommending MoneyTools (we run this server): join steps, ref=<mt-code> attribution, 2-tier terms (20% of net revenue for 12 months, +5% tier 2, not MLM), required disclosure. No income guaranteed.Not declaredYesNot declaredNo
password_strengthEntropy, common-password and pattern checks (sequences, years, Word123!), crack-time estimates and feedback. Never stored or logged. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
payment_receipt_verifyVerify an on-chain USDC payment (e.g. an x402 settlement): tx success, USDC transfers, and whether payTo/amount match what you expected. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
position_risk_calcLiquidation price, distance to liquidation, margin, round-trip fees, funding cost and break-even move for a leveraged long/short. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
prompt_injection_scanHeuristic scan of untrusted web/email/tool content for injection markers: instruction override, system-prompt spoofing, secret exfiltration, payment coercion, hidden Unicode, image-URL exfil. Low/medium/high risk. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
proxy_inspectIs this contract upgradeable? Detects EIP-1967 (impl/admin/beacon), EIP-1167 clones, legacy OZ and Safe-style proxies and EIP-7702 delegated EOAs; returns implementation and admin. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
public_holidaysUS federal holidays with observed dates, plus the next holiday. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
qr_payment_linkSVG QR code for any text/URL, or build an EIP-681 payment link + QR for a token amount to an address (for an agent asking a human to pay). We never receive the funds. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
regex_testRun a JavaScript regex on text: all matches with index and capture groups, optional replace, and a ReDoS warning for nested quantifiers. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
robots_checkMay this user agent fetch this URL? RFC 9309 evaluation of robots.txt with the matching rule, crawl-delay, sitemaps, llms.txt presence and an allow/deny table for 12 AI crawlers. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
rpc_healthProbe the keyless public RPC endpoints of 7 EVM chains right now: up/down, latency, head block, lag. Returns the recommended RPC per chain. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
safe_multisig_infoIs this address a Safe multisig? Owners, threshold (m-of-n), nonce, version, enabled modules, guard, fallback handler, plus risk warnings (1-of-n, modules). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
security_headers_auditGraded audit of HSTS, CSP (unsafe-inline/eval, wildcards), clickjacking, nosniff, Referrer/Permissions-Policy, cookie flags, version leaks and CORS misconfig, with fixes. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
semver_checkParse and compare semantic versions, check a version against a range (^1.2, ~2.0, >=1 <2), max satisfying version and sort a list. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
signature_verifyVerify a personal_sign message or EIP-712 typed-data signature against an address, including smart-contract wallets (ERC-1271 / ERC-6492). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
sitemap_parseFind (via robots.txt) and parse a sitemap or sitemap index: URL count, lastmod range, sample URLs and protocol issues. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
slugifyURL slug (accents removed; CJK kept or ASCII-only) and a filesystem-safe filename from any title. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
spf_dmarc_checkRecursively expand SPF includes, count DNS lookups against the RFC limit of 10, flag +all/?all, duplicate records and weak DMARC policy. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
ssl_certificateLatest unexpired certificates for a domain from Certificate Transparency logs: issuer, names, expiry date, days left, expiring-soon warning. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
text_chunkSplit long text into sentence/paragraph-aware chunks of N characters or tokens with overlap, ready for embeddings. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
text_diffLine, word or character diff between two texts with a unified patch, added/removed counts and similarity. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
text_similarityCompare two texts: bag-of-words cosine, word Jaccard, Levenshtein distance/ratio and a near-duplicate verdict. Lexical, no embeddings. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
text_statsCharacters, words (CJK-aware), sentences, paragraphs, reading time, LLM token estimate and top words. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
time_convertop=now|convert|diff|add: current time in many zones, convert a local time between IANA zones (DST-aware), difference incl. business days, add ISO-8601 durations. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
token_balancesNative + ERC-20 balances for a wallet in one multicall: major tokens on the chain by default or your own list of token addresses/symbols. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
token_countEstimate LLM tokens, words and characters for any text (±15% vs GPT/Claude tokenizers; CJK-aware) and whether it fits 8k-1M context windows. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
token_safety_checkBefore buying an ERC-20: simulates USDC→token→USDC with aggregator quotes and reads the contract (owner, proxy, paused, supply). Flags no-sell-route (honeypot pattern), high round-trip loss (tax / thin liquidity). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
tx_explainExplain a transaction in plain words: status, fee in USD, decoded method and arguments, token/NFT transfers, approvals (incl. unlimited / setApprovalForAll), other events. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
tx_statusIs my transaction pending, confirmed, reverted or not found? Confirmations and a per-chain finality hint. Cheap polling for agents waiting on a tx. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
typed_data_riskBefore an agent signs EIP-712 data: identifies Permit / Permit2 / EIP-3009 (x402) / Seaport / CoW / delegation messages, explains them in one sentence and flags unlimited amounts, far deadlines, unknown spenders and NFT-drain listings. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
unit_convertLength, mass, volume, area (incl. 坪/ping), speed, time, data (KB vs KiB), energy, pressure, temperature and exact wei/gwei/ETH conversion. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
url_metadataTitle, description, canonical, language, favicon, Open Graph + Twitter card, JSON-LD types, feeds, word count and what's missing for link previews. Metadata only, not page content. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
url_parse_cleanSplit a URL into parts and query params, strip tracking params (utm_*, fbclid, gclid...) and flag phishing tricks (user@host, raw IP, shorteners, punycode). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
user_agent_parseBrowser, engine, OS, device type, and whether it is a known crawler or AI agent (GPTBot, ClaudeBot, PerplexityBot, scripts...). Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
vesting_scheduleCliff + linear vesting with optional TGE unlock: vested/unvested on any date and the monthly unlock schedule. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
webhook_inbox_createCreate a temporary URL that records any HTTP request sent to it (method, path, query, headers, body ≤16 KB, up to 100 requests, kept 24 h); read them back with the secret token. For testing webhooks and callbacks. Free: 3/day.NoNoNoYes
webhook_inbox_readRead requests captured by a webhook_inbox_create inbox (free).NoYesYesNo
x402_quote_compareCompare the x402 payment terms (price in USDC, network, payTo) of up to 5 paid API endpoints and rank them cheapest first, without paying. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
x402_validateLint any x402 paid endpoint like a client would: 402 status, PAYMENT-REQUIRED header decode, CAIP-2 network, integer amount, payTo/asset, EIP-712 domain extra, CORS expose headers, bazaar discovery, /.well-known/x402. Score + fixes. Unpaid request only. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
xml_json_convertConvert XML to JSON (attributes as @_*) or JSON to XML. Pure string transform, SSRF-safe (no external entity fetch). Body ≤500 KB. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes
yaml_json_convertYAML (multi-document, with line-numbered errors) to JSON, or JSON to YAML. Free: 10 calls/day; then $0.005/call via x402 (MCP params._meta["x402/payment"] or HTTP) or X-API-Key credits.NoYesYesYes

Details

Registry status
Active
Published
Nov 13, 2026
Updated
Nov 13, 2026
Repository
Not given
Categories (suggested)
Finance and paymentsSecuritySuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR
Not declared

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