All services

X402 Price Drift Check: X402 Price Drift Check compares advertised and challenged raw prices against a tolerance from bounded caller-supplied values without an external provider. Call X402 Price Drift Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Price Drift Check as versioned deterministic…

JSON Lines Stringify: JSON Lines Stringify serializes bounded JSON values as compact newline-delimited JSON from bounded caller-supplied values without an external provider. Call JSON Lines Stringify before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON Lines Stringify as versioned deterministic JSON. Price: $0.001 USDC…

Join a base URL with a relative path for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.

EVM Nonce Gap Check: EVM Nonce Gap Check calculates the gap between pending and proposed transaction nonces from bounded caller-supplied values without an external provider. Call EVM Nonce Gap Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Nonce Gap Check as versioned deterministic JSON. Price: $0.001 USDC v…

X402 Delivery Status Check: X402 Delivery Status Check classifies delivery HTTP status against accepted success codes from bounded caller-supplied values without an external provider. Call X402 Delivery Status Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Delivery Status Check as versioned…

JSON Pattern Fields Check: JSON Pattern Fields Check checks selected string fields against a bounded regular expression from bounded caller-supplied values without an external provider. Call JSON Pattern Fields Check before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON Pattern Fields Check as versioned deterministic JSO…

Extract numbers from free text. Call when scraping prices, IDs, quantities, or scores out of messy agent-collected text. Returns the ordered list of numbers found—no LLM, no regex maintainance on your side. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.

Check whether value is a JSON object. Call when you validate agent payloads before object 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.

Relative luminance of a #RRGGBB color. Call when contrast checks without image decode. Returns luminance as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Parse major.minor.patch from a semver string. Call when you compare agent dependency versions without a full parser. Returns valid, major, minor, patch 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.

Sum of a numeric list. Call when you aggregate agent-held amounts without a spreadsheet. Returns sum 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.

Seeded Permutation Index: Seeded Permutation Index selects one reproducible permutation index within a caller count from bounded caller-supplied values without an external provider. Call Seeded Permutation Index when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Permutation Index as versioned deterministic JSON. Price: $0.001 USDC via x40…

HTML-escape text for safe embedding. Call when you inject agent text into HTML without XSS. Returns escaped 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.

JSON Object Diff: JSON Object Diff reports added, removed, and changed top-level object keys from bounded caller-supplied values without an external provider. Call JSON Object Diff before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON Object Diff as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Sol…

Seeded Dice Roll: Seeded Dice Roll rolls bounded virtual dice reproducibly for simulations from bounded caller-supplied values without an external provider. Call Seeded Dice Roll when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Dice Roll as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, statele…

EVM Chain Match Check: EVM Chain Match Check compares transaction and expected chain identifiers from bounded caller-supplied values without an external provider. Call EVM Chain Match Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Chain Match Check as versioned deterministic JSON. Price: $0.001 USDC via x402…

Referrer Policy Check: Referrer Policy Check classifies a Referrer-Policy value against a caller allowlist from bounded caller-supplied values without an external provider. Call Referrer Policy Check before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Referrer Policy Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, s…

JSON String Length Check: JSON String Length Check checks selected string fields against caller length bounds from bounded caller-supplied values without an external provider. Call JSON String Length Check before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON String Length Check as versioned deterministic JSON. Price: $0…

Normalize #RGB/#RRGGBB color hex. Call when you canonicalize agent color tokens for CSS. Returns normalized #rrggbb or invalid 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.

X402 Portfolio Route Check: X402 Portfolio Route Check checks one portfolio entry for ownership, economics, resource, and discoverability from bounded caller-supplied values without an external provider. Call X402 Portfolio Route Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Portfolio Route…

Deterministic index from seed into [0,length). Call when you need stable A/B assignment without shared RNG state. Returns index, length, 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.

Check whether a string is a signed integer. Call when you validate numeric form fields before parse. Returns valid 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.

Connection Header Tokenize: Connection Header Tokenize normalizes hop-by-hop connection option tokens from bounded caller-supplied values without an external provider. Call Connection Header Tokenize before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Connection Header Tokenize as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-par…

EVM Value Plus Fee Budget: EVM Value Plus Fee Budget sums transaction value and fee ceiling for a funding requirement from bounded caller-supplied values without an external provider. Call EVM Value Plus Fee Budget before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Value Plus Fee Budget as versioned deterministic JSON…