All services

Validate BIC/SWIFT format shape (8 or 11 alnum). Call when preflight for bank routing fields. Returns valid boolean 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.

Nth Fibonacci (n≤78). Use for sequences, demos, or test fixtures without shipping a math package. Returns F(n) for n up to 78 with a structured receipt. $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.

X402 Registry Route Check: X402 Registry Route Check checks one runtime registry entry for tool, path, method, and upstream from bounded caller-supplied values without an external provider. Call X402 Registry 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 Registry Route Check as versio…

Check whether an object has a key. Call when you preflight required fields before paid calls. Returns has boolean and key 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 Settlement Amount Check: X402 Settlement Amount Check compares settled raw amount with the accepted challenge amount from bounded caller-supplied values without an external provider. Call X402 Settlement Amount 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 Settlement Amount Check as ve…

Agent Delivery Partial Result Check: Agent Delivery Partial Result Check checks partial-result coverage against a minimum fraction from bounded caller-supplied values without an external provider. Call Agent Delivery Partial Result 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 Agent Delivery Par…

X402 Refund Deadline Check: X402 Refund Deadline Check checks a refund request timestamp against a policy window from bounded caller-supplied values without an external provider. Call X402 Refund Deadline 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 Refund Deadline Check as versioned deter…

JSON Number Coerce: JSON Number Coerce coerces explicit numeric strings while reporting rejected values from bounded caller-supplied values without an external provider. Call JSON Number Coerce 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 Number Coerce as versioned deterministic JSON. Price: $0.001 USDC via x402…

Convert #rrggbb to RGB channels. Call when you bridge CSS hex into agent numeric color ops. Returns r,g,b and valid 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.

Domain from an email. Call when routing tickets, grouping users, or validating corporate domains. Returns the domain part of an email address. $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.

Transfer Encoding Check: Transfer Encoding Check checks transfer-coding order and whether chunked appears only last from bounded caller-supplied values without an external provider. Call Transfer Encoding 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 Transfer Encoding Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. F…

Validate and describe a five-field cron schedule for $0.001 USDC, including the next runs. 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.

Permissions Policy Parse: Permissions Policy Parse parses Permissions-Policy feature allowlists into normalized entries from bounded caller-supplied values without an external provider. Call Permissions Policy Parse 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 Permissions Policy Parse as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Sol…

Drop null/empty values from a list. Call when you clean agent arrays before serialization. Returns compacted items, count, removed 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 Array Difference: JSON Array Difference returns left-side values absent from the right JSON array from bounded caller-supplied values without an external provider. Call JSON Array Difference 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 Array Difference as versioned deterministic JSON. Price: $0.001 USDC via…

Notional exposure from margin and leverage multiplier. Call when sizing futures/perps from account equity slices. Returns notional from margin×leverage 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.

Compute total gas cost in ether from used gas and price wei. Call when budgeting ETH spend for a planned or observed transaction. Returns gas cost in eth 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.

Truncate a string to max_chars with optional ellipsis — 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.

CRC32 checksum of text. Call for quick integrity fingerprints on configs, prompts, or cached blobs. Returns hex CRC32 without cryptographic security claims. $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.

Upper-bound CPMM price impact loss for size vs reserves. Call when pre-trade MEV/slippage stress without mempool access. Returns impact_fraction and loss_notional 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.

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.

JSON Enum Fields Check: JSON Enum Fields Check checks selected fields against caller-provided enum values from bounded caller-supplied values without an external provider. Call JSON Enum 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 Enum Fields Check as versioned deterministic JSON. Price: $0.001 USD…

Clamp a percentage-like number into a min/max range — 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.

X402 Timeout Check: X402 Timeout Check checks challenge expiration and minimum buyer processing time from bounded caller-supplied values without an external provider. Call X402 Timeout 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 Timeout Check as versioned deterministic JSON. Price: $0.001…