All projects on Base matching “tool”

Find the cheapest WORKING x402 service for a task. Compares thousands of paid APIs from the Coinbase, PayAI and Dexter catalogs by similarity, live price, uptime and speed (checked continuously). Send the header "X-Free-Tier: 1" for 20 free requests per day. /v1/check is always free.

Full Hyperliquid funding extremes (carry-cost leaderboard)

Use when you need to check whether an IBAN is valid and extract its country, bank code and check digits.

Is this Base token safe to buy? Simulates a real buy and sell (honeypot + hidden tax test), checks owner powers (mint, blacklist, fee changes), whale concentration, liquidity lock and scam lists. Returns scam / high_risk / caution / low_risk with reasons.

Vet an Apify actor before you spend on it. Send one actor ID (e.g. apify/instagram-scraper) and get scored JSON in seconds, with evidence and a verdict, from public metadata: pricing, output schema, maintenance, reliability, docs. Unlimited criteria: our pre-built set or your own rubric in plain English. Metadata grades what a vendor claims. The $1 full audit runs the actor and measures what it de

Next-best habit recommendations (USDC on Base).

Live gas price on Ethereum, Base, Arbitrum, Optimism or Polygon, in gwei plus the cost of a plain transfer. Compare several chains in one call.

Port/chokepoint congestion index (daily & live, computed from public AIS)

Relative date parse, ISO 8601 duration math, IANA timezone convert with DST flags. Offline tzdata.

JSON Pointer get, RFC 6902 patch, RFC 7396 merge-patch, structural diff, path list. Offline.

Given 2-8 cities, find the UTC hours where everyone sits inside acceptable local business hours (default 9-17) for a given date — DST-correct via the IANA tz database. Returns every feasible hour with each city's local time, or the best partial-overlap hours if none fit. Use this when an agent needs to find hours that work across cities, DST-correct.

Linkheft: Domain rank and authority lookups, up to 50 domains a call.

Spain's regulated household electricity price (PVPC, peninsula) for today or tomorrow, hour by hour, with the cheapest hours and the cheapest 2h/3h windows. Use when an agent must schedule appliances/EV charging or answer 'when is electricity cheapest in Spain today/tomorrow'. Data: Preciluz (preciluz.com, CC-BY-4.0) from REE/ESIOS.

Validate JSON against an optional schema, canonicalize it, and return a SHA-256 fingerprint

GENESIS Release Guardian (quick)

Scan text or a URL for prompt-injection risk and return a risk score.

Linkheft: Domain rank and authority lookups, up to 50 domains a call.

Sells a one-time Transcript Pack job token for audio up to 10 min ($0.10 USDC on Base). Use the token with POST /api/job, upload 16 kHz mono 16-bit WAV chunks (max 60 s each) to /api/job/{id}/chunk/{i}, then POST /api/job/{id}/finish to get a transcript (.txt), captions (.vtt) and AI show notes (.md). See /llms.txt.

Converts one LLM tool/function definition (OpenAI, Anthropic, Gemini, MCP or plain JSON Schema; format auto-detected) into one or more target provider formats. Applies each provider's schema rules: OpenAI strict mode (all fields required, optional fields made nullable, additionalProperties false), Gemini's OpenAPI subset (no $ref, nullable, string enums), $ref inlining and name sanitising. Returns

Converts between CSS length units (px, rem, em, pt, cm, in, vw, vh) given a base font size and viewport dimensions. Returns the equivalent value in the target unit with precision.

Check 1-100 email addresses ($0.001 each): RFC syntax, normalization and canonical form, MX lookup (A fallback), disposable domain (CC0 list), role account, free provider, typo suggestion (gmial.com -> gmail.com), verdict and 0-100 score. No SMTP probing.

ERC-20 token safety pre-check from on-chain data only (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC): name/symbol/decimals/supply, owner and whether renounced, EIP-1967/minimal proxy detection, and a bytecode scan (incl. implementation) for mint, blacklist, adjustable-fee, max-tx, trading-switch and pause functions, with flags and a risk level. Run before swapping into an unknown token. $0.005

Current chain tip block height via eth_blockNumber. Returns decimal block number and hex. Works on Base (default) or Ethereum via ?network=eth. Deterministic on-chain read via public RPC.

Returns current recommended Bitcoin fee rates in sat/vB for fastest, 30-minute, 1-hour, and economy confirmation targets, plus mempool transaction count and vsize. Use it to price a transaction or report network congestion right now.

Transcribe speech in an audio file to text with timestamps (Whisper, many languages); up to 5 minutes, 25 MB

Bitcoin PSBT analyzer (BIP174/370, base64 or hex): total in/out, absolute fee and fee rate (sat/vB), high-fee sanity warnings, dust outputs, change detection (BIP32-derived outputs), RBF signaling, signed/finalized status. Read-only; nothing is broadcast or stored.

Attention index for any word/entity fusing Wikipedia readership (Wikimedia pageviews, resolved word->article and disambiguated by real traffic) with the global news stream (GDELT coverage volume). Returns a 0-100 index, WoW/MoM deltas, datestamped spikes and a trend in one call. An attention/curiosity index over Wikipedia and world news — not Google Trends / Google search interest.

Live-probe any x402 URL before your agent pays it: is the 402 challenge valid, what does it really cost, which token and network, does the pay-to match the listing, and is it known to be trustworthy.

Check an email address or domain: MX records, mail provider (Google/Microsoft/Zoho), SPF, DMARC policy, disposable-domain flag and a 0-100 deliverability score. Validate leads before sending.

Validate any x402 endpoint: 402 challenge, accepts[], atomic amounts, bazaar extension, OpenAPI. Score 0-100 + fixes.