All services

Compute character frequency top counts. Call when you inspect distribution before encoding or compression steps. Returns unique count and top char histogram 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.

Right-pad a string to a target width. Call when you need fixed-width columns for agent logs. Returns padded text and width 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.

Set intersection of two lists. Call when you find shared agent tags/IDs. Returns intersection items and count 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.

CSV-escape a single field. Call when you build CSV rows from agent fields with commas/quotes. Returns escaped field and quoted flag 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.

Compare two strings lexicographically (-1, 0, 1). Call when you sort or branch on agent string keys. Returns cmp 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.

Lightweight English pluralization helper. Call when you label counts in agent messages without i18n frameworks. Returns pluralized word with count 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.

Convert kebab-case identifiers to lowerCamelCase. Call when you map URL segments into JS property names. Returns lowerCamelCase text 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.

Coerce a list of tokens into booleans. Call when you normalize yes/no flags from agent forms. Returns boolean list and count 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.

Convert camelCase identifiers to kebab-case. Call when you map JS props to CSS/URL tokens. Returns kebab-case text 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.

Slugify text to lowercase hyphen form. Call when you need product/path slugs from free titles. Returns slug string 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.

Check whether list a is subset of list b. Call when you verify required tags are present in agent sets. Returns subset boolean 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.

Join fields into a TSV row. Call when you emit tab-separated rows from agent field lists. Returns TSV row string and field count 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.

Check whether text contains a needle (optional ignore_case). Call when you need a cheap membership check on agent-held strings. Returns boolean result with ignore_case flag 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.

Return the element at index. Call when you pick a specific agent-held array slot with bounds check. Returns value, index, ok 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.

Remove common leading whitespace from lines. Call when you normalize agent-held code fences or YAML blocks. Returns dedented text and stripped space count 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.

Count non-overlapping substring occurrences. Call when you preflight how often a token appears in agent-held text. Returns integer count and needle 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.

Set union of two lists (order-preserving). Call when you merge agent allowlists. Returns union items and count 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.

Return the last list element. Call when you need tail of an agent-held array safely. Returns value and empty flag 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.

Take the first N elements. Call when you cap agent payloads before paid calls. Returns items prefix and count 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.

Join fields into a CSV row with proper quoting. Call when you emit CSV without a spreadsheet library. Returns CSV row string and field count 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.

Unique and sort a JSON list. Call when you need stable unique keys for agent set math. Returns sorted unique items and count 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.

Decode any transaction by hash into plain English: what happened (swap/transfer/approval/mint/call), the actors, and the full asset changes (every native+token in/out with symbol, amount, direction), plus status, fee and method. For wallet UX, accounting, risk and trading agents. Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis via Blockscout.

Wallet wealth & portfolio analysis

Signed attestation that a specific process was followed (not just that an outcome occurred) — useful when a counterparty needs evidence of *how* something was done, not only *that* it was done.