other

Check whether value is a JSON array. Call when you validate agent payloads before list ops. Returns boolean result for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.

Compares a producer output schema against a consumer input schema and reports whether the two can be chained. Every required field of the consumer is looked for in the producer: exact name matches first, then well-known synonyms (url/uri/link, id/key/ref, created_at/timestamp and so on), which are reported as renames needing a mapping rather than as clean matches.

Search or list open Kalshi prediction markets (regulated US event contracts)

Validate environment variable key shape A-Z0-9 underscore — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $0.001 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, no web search, no live RPC, and no mediagen. Results are advisory; the caller owns authorization, budgets, and production controls. Sibling of Delx routes that already conve…

Exam practice questions / test prep questions / practice problems with rationales. Returns authentic exam-style questions with detailed answer rationales by exam, topic, and difficulty. Any exam, certification, or license worldwide (NCLEX, CPA, Bar, etc.).

Fetch Yelp business profile details by business ID.

Deterministic 8-bit SFX synthesis from a preset + seed — base64 WAV plus the reproducible SFXR parameter block

Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation

Recent-window SEC Form 4 insider transactions (buys/sells), newest first — filter by transaction code, minimum USD value, and insider role

URL encoder/decoder, percent encoding, RFC 3986, query string escape, form data, encodeURIComponent, decodeURIComponent. Safely escape URLs for HTTP.

Base58 encoder/decoder, Bitcoin, Solana, IPFS CID, Flickr, no ambiguous chars, address encoding, wallet address format. Used by BTC, Solana, IPFS.

Natural language date parser, parse date string, flexible datetime parser, today tomorrow yesterday, relative date keywords, +3 days, -1 week, ISO date parser. Parse natural language ('today', 'tomorrow', '+3d', '-1w') or any ISO/RFC date string into structured datetime.

Random bytes generator, cryptographic random, CSPRNG, secure random, random token, nonce generator, session key, API secret generator, random hex base64. Generate cryptographically secure random bytes in hex or base64 encoding.

URL validator, URL format check, URL parser, URL syntax validation, protocol scheme detector, domain parser, query string parser, URL component extractor, RFC 3986 URI validation. Validate URL syntax and parse into components: protocol, hostname, port, pathname, search, hash.

Phone number validator: E.164 format check, international phone validation, country code parser, phone number format and mobile/line-type hints. Pass phone=+14155552671. For AI agents doing phone lookup, phone validation and number formatting. 电话号码校验。

Random number generator, random integer, random float, dice roll, lottery numbers, coin flip, cryptographically secure random, RNG, number picker. Generate cryptographically secure random numbers in a range with optional batch count.

language detect, detect language, identify language, language identifier, language detection, language detector, langdetect, ISO 639-3 language code. Detect language of any text. Returns ISO 639-3 code with confidence. Supports 80 plus languages. For AI agents handling multilingual text, content routing, translation pipelines.

Korea semiconductor equity chain analysis: US-to-Korea transmission (Micron to SK Hynix beta 0.379, walkforward-validated), sector deviation scoring, and falsifier checks.

Korea defense equity chain analysis: US defense spending signals to Korea defense stocks, with validated transmission coefficients and falsifier checks.

Returns active DeFi yield farming pools sorted by 30-day average APY. Sourced from DeFiLlama (free, no key). Each pool includes protocol, chain, symbol, TVL, current APY, 30-day mean APY, impermanent-loss risk, and stablecoin flag. Filter by chain, protocol, minimum TVL, minimum APY, or stablecoin-only pools. Use for portfolio yield research, pre-trade DeFi reconnaissance, or capital allocation decisions.

Search ClinicalTrials.gov for clinical studies by condition, intervention, or keyword. Returns phase, status, enrollment, sponsor, and dates. NIH primary source — no markup. $0.005/call.

OFAC SDN sanctions screening — checks whether a person, company, vessel, or aircraft appears on the US Treasury Specially Designated Nationals list. Returns match score, sanctions program(s), and entity type. Covers ~19,000 entries including RUSSIA-EO14024, SDGT, IRAN, DPRK, TCO, and 30+ programs. Use for payment compliance, KYB/KYC, AML checks, and counterparty due diligence.

Pure-math portfolio rebalancing calculator. Given current holdings (asset names and their current USD values) and target allocations (percentages summing to 100), returns the exact buy/sell dollar amounts needed to reach target weights. Handles partial rebalancing with a drift threshold. No external API — deterministic and instant. Useful for DeFi agents, robo-advisory flows, and automated rebalancing triggers.

Convert bit count to bytes. Call when you convert link rates into byte budgets. Returns bytes, bits, whole_bytes for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.