Return the current USD spot price for an ERC-20 token, identified by its contract address and network. Sourced from Alchemy's aggregated price feed. Use this for portfolio-value calculations or to denominate a balance in fiat without depending on ...

Resolve the metadata for a single NFT: title, description, image URLs (original + cached CDN), attributes/traits, and the standard (ERC-721 vs ERC-1155). Useful when you have a contract+tokenId and need the display data without re-fetching the who...

Live spot price (and optional 24-hour change) for one or more coins from CoinGecko's public Simple Price endpoint. Identify coins by their CoinGecko ID slug (bitcoin, ethereum, solana, usd-coin, …). Defaults to USD; pass a `vsCurrency` to denomina...

Look up the current Total Value Locked (TVL) for a DeFi protocol via DeFiLlama's public API. Identify the protocol by its DeFiLlama slug (uniswap, aave, lido, ethena, etc.). Returns the total TVL plus per-chain breakdown and 24h/7d/30d change wher...

Top DEX pools (Uniswap, Sushi, Curve, Aerodrome, etc.) ranked by current TVL — filterable by chain and project. Sourced from DeFiLlama's public Yields API (keyless). Each row carries chain, project slug, symbol pair, TVL in USD, current APY, and p...

Bundled execution of the Cross-asset price monitor workflow — Side-by-side snapshot of a stock and a crypto asset: live quotes, 1-year history, and a date-stamped comparison. One x402 payment runs 5 underlying tools (stock-quote, stock-history, cr...

Search operations in an OpenAPI 3.x or Swagger 2.x spec against a free-text query. Tokenizes the query (lowercase, alphanumeric runs), scores each operation by which fields the tokens match — operationId +3, path +3, tags +2, summary +2, descripti...

Convert text to the NATO phonetic alphabet (Alpha, Bravo, Charlie...) or decode phonetic words back to text. Letters and digits supported. Word boundaries marked with " | ". Deterministic, pure CPU.

Find the prime factorization of an integer via trial division. Returns the list of prime factors (with repeats), a human-readable factorization string, whether the number is prime, and the count of distinct prime factors. Limit: numbers up to 10^15.

Generate placeholder lorem ipsum text. Supports paragraphs or sentences mode with configurable counts. Uses a fixed vocabulary and deterministic assembly.

Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.

Expand a compressed IPv6 address to full 8-group notation (:: to 0000:...) or compress a full address by collapsing the longest zero run. Also validates format. Pure CPU, deterministic.

Compute the Jaccard similarity coefficient between two strings using character bigrams or word tokens. Returns the ratio of intersection to union (0 = no overlap, 1 = identical sets). Deterministic, pure CPU.

Derive a cryptographic key from a password using scrypt (RFC 7914). Memory-hard by design, making it more resistant to GPU/ASIC brute-force than PBKDF2. Returns the hex-encoded derived key and all tuning parameters (N, r, p).

Compute Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog Index, and Automated Readability Index from text. Returns all 4 scores plus word, sentence, and syllable counts.

Compare two strings in constant time using node:crypto timingSafeEqual, preventing timing side-channel attacks. Returns whether the strings are equal and whether their lengths match. Different-length strings are always unequal but comparison does ...

Analyze the character frequency distribution of a string. Returns counts by category (letters, digits, spaces, punctuation, other) and the top-N most frequent characters with counts and percentages. Deterministic, pure CPU.

Get the ISO 8601 week number, ISO day-of-week, quarter, and day-of-year for any date. Useful for fiscal/reporting calendars, weekly aggregations, and sprint planning.

Parse and format phone numbers into E.164 and national formats. Supports US (+1), UK (+44), DE (+49), FR (+33), AU (+61), IN (+91). Pure regex — no libphonenumber dependency.

Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds, RFC 2822, or natural date string) and return it in every common format: ISO 8601, Unix (seconds), Unix (ms), RFC 2822, date-only, time-only, day of week, and hu...