General Utilities x402 offerings

Returns comprehensive risk analysis for USDC supply opportunities from Morpho and Aave vaults across multiple chains. Computes risk scores based on TVL stability, APY consistency, Lindy Effect, liquidity depth, utilization, holder concentration, and collateral classification (options: sortBy, chains, maxRiskLevel).

Maps each two-bit group of caller-supplied UTF-8 bytes to A, C, G or T and reports a SHA-256 checksum of the original bytes. This reversible representation performs no biological synthesis, homopolymer balancing, GC optimization, addressing or error-correcting code.

Bitwise OR across two or more non-negative integers (given as decimal strings, evaluated as arbitrary-precision BigInt). Returns the result in decimal, hex and binary.

Shift a non-negative integer left or right by `amount` bits. A right shift is logical (fills with zeros). A left shift grows freely unless a `width` is given, in which case the result is masked to th…

One's-complement NOT of a non-negative integer within an explicit bit width (two's-complement domain). The value must fit in `width` bits. Returns decimal, hex and binary.

Circularly rotate a non-negative integer left or right within an explicit bit width (bits shifted off one end reappear at the other). The value must fit in `width` bits. Returns decimal, hex and bina…

Bitwise XOR across two or more non-negative integers (given as decimal strings, evaluated as arbitrary-precision BigInt). Returns the result in decimal, hex and binary.

Bitwise AND across two or more non-negative integers (given as decimal strings, evaluated as arbitrary-precision BigInt). Returns the result in decimal, hex and binary.

A semantic search engine for blockchain data - powered by x402.

A semantic search engine for blockchain data - powered by x402.

A semantic search engine for blockchain data - powered by x402.

A semantic search engine for blockchain data - powered by x402.

Look up cryptocurrency addresses linked to social accounts and curated labels. Paid API service using x402 protocol on Base mainnet.

Estimates required materials from a blueprint using AI.

Generates fun, age-appropriate activities to keep children entertained and engaged.

0/1 knapsack solver — exact work-bounded capacity planning and portfolio selection for maximum value, with deterministic ties and reproducible DP evidence.

Bin-packing heuristic — deterministic best-fit-decreasing capacity planning for placing items into bins, with feasibility evidence and an honest volume bound.

Build braille cells from raised-dot numbers (each cell an array of 1–8). Out-of-range or repeated dots are clean 400s.

Transcribe a Unicode braille string back to text, honouring capital and number signs. Non-braille or unmapped cells are clean 400s.

Transcribe text to Unicode braille (grade-1 / uncontracted English braille), with capital and number signs. Characters with no grade-1 representation are clean 400s.

Purchase and download the Broken Key Remapper software (one-time license).

Compress a string with Brotli (RFC 7932) and return it as base64. Brotli typically beats gzip by 15-25% on text - useful when bytes matter (e.g. cramming context into an LLM prompt, fitting under a transport cap). Slower than gzip; pick gzip if speed matters more than ratio.

Decompress a base64-encoded Brotli payload. Returns the result as utf8 (text) or base64 (binary). Refuses to expand past 10MB to defend against zip bombs.

ID + hash utilities: uuid, nanoid, sha256/512/1, md5, base64/base64url/hex encode+decode. Pay-per-call in USDC.