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Estimate whether text (or a web page's text) is AI-written using a trained classifier: about 78% accurate on a held-out benchmark (not a guarantee). Uncertain results suggest a rerun on a longer section (300+ words); tell phrases are only a secondary 'possible AI influence' signal.

Parse CSV into JSON rows keyed by trimmed snake_case headers, plus a type hint per column (integer, number, boolean, date, datetime, string). Deterministic, no network.

Turn free text into a URL-safe lowercase slug. Deterministic, no network.

Cheap schema gate: type, required, properties, array items, plus format checks (email, date, date-time, uri, ipv4, ipv6, uuid, hostname).

Strip scripts/styles and return readable text or markdown from HTML. mode normalized: text with NFKC and zero-width/bidi characters stripped.

Resolves one public name on Wikidata and returns a relationship graph from a fixed property list (instance of, country, headquarters, founder, chief executive, ownership, employer, education, membership, and similar), up to two hops. People include only notable public roles. If nothing matches, the graph is empty and reason explains why.

Hash a string (SHA-256 by default; algo: sha512, sha3_256 or blake2b_256) and return hex plus a short prefix. Deterministic, no network.

Canonicalize URLs: strip tracking params, force HTTPS, sort query, extract components.

Mint 1-32 UUID v4 (or v1) identifiers for agent job IDs and idempotency keys.

Deterministic term ranking from free text. Stopword-filtered. ngrams 2-3 adds scored multi-word phrases.

Deterministic nested JSON to flat path-value map. Arrays, custom separators, depth limits.

Recursively sort object keys and return canonical compact JSON. Deterministic, no network.

Approximate cl100k/o200k token counts for budget decisions.

Lightweight deterministic line/word/char diff. Structured ops plus a one-line delta summary.

Fetches a URL and returns an on-page SEO score from real checks (title, meta, headings, alt text, keywords, and more). If the page cannot be fetched, returns an error status (403/404/5xx), is a CDN/WAF challenge page, or times out (7 s cap), it answers 422 with score null, the reason, and charged:false; no payment is taken.

Validate an EVM, Solana, or Bitcoin address locally (EIP-55 checksum, base58, bech32). Optional eth_getCode on Base to label eoa vs contract. No RPC required by default.

EIP-1559 base fee and priority fee percentiles (p25/p50/p90) for Base and/or Ethereum via eth_feeHistory. Cached 10s. Optional eth-transfer USD estimate on Base.

Verified USD price for a Base ERC-20: DeFiLlama cross-checked against the deepest on-chain Uniswap/Aerodrome pool. Returns price, spread, staleness, confidence. Refused, not charged, if sources disagree over 2.5% or one is missing. Data only, not investment advice.

Read ERC-20 name, symbol, decimals, totalSupply (and optional holder balanceOf) via multicall3 on Base or Ethereum. 400 if the address is not a contract.

Redact emails, phone numbers, SSN-shaped strings, Luhn-valid card numbers and IPv4 addresses with typed placeholders. Deterministic, no network.

Base64-encode UTF-8 text or decode base64 back to text, standard or URL-safe alphabet. Deterministic, no network.

Convert epoch seconds or milliseconds (detected by magnitude) or an ISO-8601 string into epoch_s, epoch_ms, UTC ISO and ISO in any IANA time zone. Deterministic, no network.

Fetch one public web page and return its title and clean Markdown (headings, links, lists, code, tables). Honors robots.txt, SSRF-guarded, HTML only, 1 MB / 5 s caps. No JavaScript rendering.

Heuristic risk checks for a Base ERC-20: contract code, metadata, proxy, owner/renounced, mint/blacklist/pause/fee selectors, deepest Uniswap/Aerodrome pool, and simulated sell/buy transfers with measured tax. Read-only public RPC. Not financial advice.

Validate a 5-field cron expression (lists, ranges, steps, JAN-DEC/SUN-SAT names, @daily/@hourly macros) and return its next 1-20 run times in any IANA time zone (DST-aware), as local ISO, UTC ISO and epoch seconds. Deterministic, no network.

Repair malformed or truncated JSON from LLMs, JS or Python: strips ```json fences and comments, fixes trailing commas, single quotes, unquoted keys, True/False/None, missing commas and unclosed strings/brackets. Returns the parsed JSON, a compact repaired JSON string and the list of fixes. Deterministic, no network.

Text or token counts in, cost per model out, cheapest first, from OpenRouter's public price list with a price-fetched-at timestamp. Applies time-of-day pricing. Not charged if the price list is unavailable or no model matches.

One public IP or CIDR in: normalized network, size, membership checks, plus holder, abuse contact and origin ASN from RIR RDAP and RIPEstat, and country from DB-IP Lite (CC BY 4.0, attributed). Private ranges refused before payment. Not charged if registries fail.

Check an email address for deliverability: syntax, canonical form, MX, SPF, DMARC, disposable domain. One verdict with reasons and sources. DNS-over-HTTPS only, no mailbox probing. Not charged if the DNS lookup fails.

Resolve ENS (.eth) on Ethereum and Basenames (.base.eth) on Base, forward or reverse. Returns address, name, source, forward_verified, optional avatar.

DNS-over-HTTPS lookup (A/AAAA/MX/TXT/NS/CNAME/CAA) via Google Public DNS with Cloudflare fallback. Rejects IP literals and private names.

Domain registration lookup via IANA RDAP DNS bootstrap only (registrar, status, nameservers, events). Rejects IP literals and private names. Rate-limited, ~5s timeout, SSRF-safe (no private redirects).

Transaction receipt status, block, and confirmations on Base or Ethereum via eth_getTransactionReceipt. Validates 0x tx hash before payment. Short-cached.

Latest eth_blockNumber for Base and/or Ethereum, optional block timestamp. Cached ~2s.

Local-only hex decode to utf-8, bytes32, address, and 4-byte selector note. No network fetch (no 4byte.directory).

On-page SEO + AEO audit with paste-ready fixes: 0-100 score across technical, content, metadata, structured data and AI-answer readiness, ~25 checks with severity, and generated title/meta, canonical, Open Graph/Twitter and a JSON-LD skeleton. Scores reflect technical checks only; no ranking or citation is guaranteed. Not charged if the site blocks us or is unreachable (422, charged:false).

Audits how ~17 AI crawlers and agents (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, ChatGPT-User, ...) can reach and read a site: robots rules per bot, live user-agent probes, llms.txt, sitemap, JSON-LD, canonical host, agent interfaces. Does not guarantee crawling, ranking, citation, or traffic. Not charged if the site blocks us or is unreachable (422, charged:false).

Topic in, deduplicated story clusters out: headline, every outlet URL and first-seen time, from GDELT and publisher RSS. Headlines and links only, no article text. Not charged when nothing matches or sources fail.

Runs SEO Optimizer v2 on your page and up to 3 competitor pages and returns a per-check gap table. Not charged if your page blocks us or is unreachable (422, charged:false).

Agent-Ready Audit plus generated files: llms.txt, llms-full.txt, merged robots.txt AI section, sitemap.xml, JSON-LD and meta/OG per page, agent card, and an install guide (zip). Unknown facts stay TODO. Kit license: No-Resale License (LICENSE.md in the zip; https://grokzilla.shop/kits/license). Not charged if the site blocks us or is unreachable (422, charged:false).