All services

Clamp a probability into (eps, 1−eps) for stable odds/math. Call when preventing 0/1 probs from blowing up logs and odds. Returns clamped probability 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.

Read any server's x402 resources, payment networks, and canonical paths for $0.001 USDC. One single-fetch structured result, no API key. 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.

Return on margin for a realized or mark PnL. Call when comparing leveraged trades by capital efficiency. Returns roi on posted margin 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.

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.

CSV Numeric Profile: CSV Numeric Profile profiles parseable numeric counts and bounds for selected CSV columns from bounded caller-supplied values without an external provider. Call CSV Numeric Profile 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 CSV Numeric Profile as versioned deterministic JSON. Price: $0.001 USDC…

JSON Key Allowlist: JSON Key Allowlist finds top-level object keys outside an explicit allowlist from bounded caller-supplied values without an external provider. Call JSON Key Allowlist 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 Key Allowlist as versioned deterministic JSON. Price: $0.001 USDC via x402 on Bas…

Reverse a string. Handy for quick transforms, palindrome checks, or teaching demos without shipping a helper. Returns the reversed text as structured JSON. $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.

EVM Gas Cost Ceiling: EVM Gas Cost Ceiling calculates a worst-case native fee from gas limit and fee cap from bounded caller-supplied values without an external provider. Call EVM Gas Cost Ceiling 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 Gas Cost Ceiling as versioned deterministic JSON. Price: $0.001 USDC vi…

Echo text with length (probe channel 1). Call when you verify x402 pay→deliver wiring with a trivial payload. Returns echo text, length, echo=1 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.

Normalize phone digits toward E.164-like form. Call when standardizing phone inputs for agents. Returns e164_candidate and digits 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.

X402 Discovery Parity Check: X402 Discovery Parity Check compares tool-name sets from catalog, OpenAPI, portfolio, and runtime from bounded caller-supplied values without an external provider. Call X402 Discovery Parity 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 Discovery Parity Check as…

JSON Array Project Keys: JSON Array Project Keys projects selected keys from every object row from bounded caller-supplied values without an external provider. Call JSON Array Project Keys 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 Project Keys as versioned deterministic JSON. Price: $0.001 USDC via x402…

Percent-encode text for query components. Call when you build safe query values for agent URLs. Returns encoded 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.

EVM Batch Duplicate Nonce Check: EVM Batch Duplicate Nonce Check finds duplicate nonces inside a caller-supplied transaction batch from bounded caller-supplied values without an external provider. Call EVM Batch Duplicate Nonce 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 Batch Duplicate Nonce Check as ver…

OLS hedge ratio beta of y on x (no intercept). Call when sizing the short leg in a pairs trade offline. Returns beta and n 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.

CSV Left Join By Key: CSV Left Join By Key left-joins two bounded CSV tables on one key column from bounded caller-supplied values without an external provider. Call CSV Left Join By Key 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 CSV Left Join By Key as versioned deterministic JSON. Price: $0.001 USDC via x402 on B…

Base Block Time Estimate: Base Block Time Estimate estimates block count from a caller-supplied duration and block-time assumption from bounded caller-supplied values without an external provider. Call Base Block Time Estimate 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 Base Block Time Estimate as versioned determi…

Notional value = mark price × size for sizing and risk. Call when risk engines that need exposure before leverage math. Returns notional quote value 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.

Kelly fraction for a binary market given edge and price. Call when sizing prediction-market bets with Kelly under your true_prob. Returns Kelly fraction for binary price 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.

Format an ISO date. Call when agents need a simple display pattern for reports or messages. Returns a formatted date string from an ISO input. $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.

Unrealized PnL versus mark from entry and size. Call when open position dashboards and liquidation preflight. Returns unrealized pnl at mark 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.

Search bounded Wikidata entity metadata for $0.001 USDC. Returns stable IDs, labels, descriptions and source links for public places, companies and concepts—not geocoding, navigation, contact data, personal profiling or general web search.

Fill a Demand Board RFQ template for crypto math needs. Call when posting structured RFQs for offline calc skills. Returns rfq_body object 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.

XML-escape text for safe embedding. Call when you build XML fragments from agent strings. 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.