All projects

RE2 regex (no ReDoS). Named groups as JSON. Match count capped.

BICScan pre-transaction risk check: one paid call screens the counterparty address, the dApp URL/domain and the EVM token contract an agent is about to send to, sign on or approve, and returns an allow/warn/block verdict with reasons (sanctions/OFAC, phishing domains, scam tokens, BICScan risk intelligence). Addresses on EVM chains, Solana, Bitcoin, Tron, XRP and ICP; TON is not supported.

Exact decimal/rational math with optional units + step trace. AST-sandboxed (no eval).

NLM RxNorm drug name↔RxCUI lookup (keyless). POST {name} and/or {rxcui}. Empty idGroup → 404 not charged.

RubyGems gem metadata via rubygems.org (keyless). name → version/downloads/info/uris.

ROR research organization search (keyless). POST {q|query}. Empty -> 400 not charged. OpenAlex-institutions/Crossref adjacency disclosed.

Track real-time changes to the crypto knowledge graph — new tokens listed, protocol metrics updated, investor relationships added, governance proposals created. Monitor the pulse of the crypto ecosystem as data flows in from multiple sources daily | ZWING Intelligence (https://zwing.finance) — contact: v@zwing.finance, Telegram: @valery_zzz

Retrieve a derived chain or protocol activity proxy. Include scope and a canonical target such as Ethereum or a protocol slug.

RIPE Stat prefix→ASN/holder overview (keyless). POST {resource}/{prefix?} required. Empty -> 400 not charged. peeringdb-net / whois-rdap-ip adjacency disclosed.

JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.

JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base, including cache hits.

glm-5.3-flash: one completion, up to 256 output tokens

Rhea enzyme reaction search (keyless). POST {q|query}/{ec?}/{limit?}. Empty -> 400 not charged.

Flesch Reading Ease, FK grade, SMOG, Coleman-Liau, ARI + hard-sentence hotspots. Offline.

Use ping when you need a pass/fail verdict that a URL serves expected content: expected HTTP status (default 200), a required body substring, and/or an exact match on one JSON field. One automated fetch at request time, signed receipt with per-condition results. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402

Reactome pathway search (keyless). POST {q|query}/{types?}. Empty -> 400 not charged.

X (Twitter) account metadata for any handle (based_in, source app, username-change count, recent-activity proxy). Utility endpoint.

Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, and more), get live propagated positions for a whole catalog group, and predict the next pass over an observer latitude/longitude using NORAD catalog IDs. Outbound CelesTrak fetch only; no shell access.

openFDA device 510(k) clearance lookup (keyless). POST {search} and/or {applicant?,product_code?,limit?}. Empty → 404 not charged.

OpenBD Japanese ISBN bibliographic lookup (keyless; disclose isbn/openlibrary/Hathi/IA). POST {isbn|isbns}. Empty -> 400 not charged.

OpenAlex works search (keyless). POST {query|search} with optional {per_page?}. Empty → 400 not charged.

OpenAlex sources/venues search (keyless; disclose works/authors adjacency). POST {q|search|query}/{per_page?}. Empty -> 400 not charged. W44 deferral return.

Business verification snapshot: state-registry status (NY/CO/PA/OR/CT), website-alive, address validation, phone plausibility -> verdict + confidence + flags. Not a credit report.

The RSMAD Sculpture Park as data: placards and preview images for 37 sculptures. The park is free for people to walk. No 3D model files, no license. $0.50 USDC.

Decision arbitration: submit context, options, constraints, and risk_tolerance; receive a structured JSON verdict with confidence score, reasoning, and escalation flag.

Shareable verdict card for a Base or Solana token: grade BASED/MID/COOKED/RADIOACTIVE, 0-100 score, one-liner, reasons, key market metrics, plus a share URL and a 1200x630 PNG. Body {"tokenAddress":"0x..."} or {"chain":"solana","tokenAddress":"<mint>"}.

OpenAlex institutions search (keyless; disclose OpenAlex adjacency). POST {q|search|query}/{per_page?}. Empty -> 400 not charged. Board W45 swap for gtex.

OpenAlex authors search (keyless; disclose works adjacency). POST {q|search|query}/{per_page?}. Empty -> 400 not charged.

OpenAIRE publications search (keyless). POST {q|title}/{size?}. Empty -> 400 not charged. Disclose openalex-works/crossref adjacency.