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EVM Legacy Fee Check: EVM Legacy Fee Check checks gasPrice and gasLimit values for a legacy transaction budget from bounded caller-supplied values without an external provider. Call EVM Legacy Fee 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 fai

EVM Infinite Approval Flag: EVM Infinite Approval Flag flags an approval at or near a caller-supplied maximum uint threshold from bounded caller-supplied values without an external provider. Call EVM Infinite Approval Flag before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape

EVM Log Topic Count Check: EVM Log Topic Count Check checks log topic count against an expected bound from bounded caller-supplied values without an external provider. Call EVM Log Topic Count 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-cl

EVM Multisend Recipient Check: EVM Multisend Recipient Check checks duplicate, zero, and unexpected recipients in a multisend from bounded caller-supplied values without an external provider. Call EVM Multisend Recipient Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or s

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-cl

EVM Next Base Fee Bound: EVM Next Base Fee Bound calculates upper and lower next-block base-fee bounds from bounded caller-supplied values without an external provider. Call EVM Next Base Fee Bound 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-clo

EVM Nonce Replace Check: EVM Nonce Replace Check checks whether a proposed nonce targets a caller-supplied pending nonce from bounded caller-supplied values without an external provider. Call EVM Nonce Replace Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findin

EVM Receipt Gas Variance: EVM Receipt Gas Variance compares gas used with a preflight estimate and reports variance from bounded caller-supplied values without an external provider. Call EVM Receipt Gas Variance before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings,

EVM Receipt Status Check: EVM Receipt Status Check normalizes receipt status values into success or failure from bounded caller-supplied values without an external provider. Call EVM Receipt Status 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 fa

EVM Priority Fee Ratio: EVM Priority Fee Ratio calculates the priority-fee share of the total fee cap from bounded caller-supplied values without an external provider. Call EVM Priority Fee Ratio 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-close

EVM Signature Rs Shape Check: EVM Signature Rs Shape Check checks r and s values as 32-byte hexadecimal scalars from bounded caller-supplied values without an external provider. Call EVM Signature Rs Shape 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,

EVM Replacement Fee Bump: EVM Replacement Fee Bump checks proposed fee caps against a required replacement bump from bounded caller-supplied values without an external provider. Call EVM Replacement Fee Bump 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

EVM Slippage Bounds Check: EVM Slippage Bounds Check checks expected and minimum output against a maximum slippage policy from bounded caller-supplied values without an external provider. Call EVM Slippage Bounds Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape fin

EVM Tx Type Classify: EVM Tx Type Classify classifies legacy, access-list, dynamic-fee, and blob transaction type codes from bounded caller-supplied values without an external provider. Call EVM Tx Type Classify before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings,

EVM Token Balance Budget: EVM Token Balance Budget checks caller-supplied raw token balance against transfer amount from bounded caller-supplied values without an external provider. Call EVM Token Balance 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,

EVM Tx Envelope Check: EVM Tx Envelope Check checks required envelope fields for a declared transaction type from bounded caller-supplied values without an external provider. Call EVM Tx Envelope 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

Compare average fill to TWAP benchmark (bps). Call when post-trade quality vs a caller-supplied TWAP. Returns slippage_bps_vs_twap 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.

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 finding

Compare average fill to VWAP benchmark (bps). Call when post-trade quality vs a caller-supplied VWAP. Returns slippage_bps_vs_vwap 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.

Expectancy per trade from win rate, avg win, and avg loss. Call when deciding if a system has positive edge before scaling size. Returns expectancy per trade 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.

Expires Header Validate: Expires Header Validate compares Date and Expires timestamps for an explicit cache lifetime from bounded caller-supplied values without an external provider. Call Expires Header Validate 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 Expir

Calculate descriptive conversion lift for control and treatment. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid

Guess extension from MIME type. Call when you name agent-generated files from content-type. Returns ext, mime, known 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.

Approx expected log bankroll growth for a binary bet fraction. Call when comparing bet sizes by growth rate under true_prob (advisory). Returns expected log growth 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.

Extract email-shaped tokens from free text (shape only). Call when you need candidate emails from agent-held text without SMTP validation. Returns email list and count (shape match only) for $0.001 USDC via x402 on Base. Shape match only—not mailbox verification, MX lookup, or enrichment. No network, no keys, no retention. Results are advisory; the caller owns budgets, auth, and production control

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.

Extract signed integers from free text. Call when you parse IDs, ports, or quantities out of messy agent logs. Returns integer 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.

Extract HTTP/HTTPS URLs from text 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.

Fee amount = notional × fee_rate for maker/taker style quotes. Call when pre-trade fee drag estimates on a sized order. Returns fee amount in quote units 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.

Factorial (n≤20). Call for combinatorics demos and small counting problems with an explicit n cap. Returns n! for n up to 20; larger n returns a structured error. $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.

Find RSS, Atom, and JSON feeds so agents can subscribe instead of scrape for $0.01 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.

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.

Flatten one level of nested lists. Call when you normalize agent-held nested arrays before mapping. Returns flattened 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.

Measure per-field presence across bounded JSON records. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream

16-hex fingerprint of text via SHA-256 prefix. Call when you need short cache keys for agent content. Returns fingerprint hex 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.

Floor a number to integer. Call when you need whole units from continuous values. Returns floored integer value 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.

Build a compact fleet status markdown from agent rows. Call when operator agents need a pasteable fleet brief. Returns markdown one-pager as deterministic JSON for $0.01 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.

Forwarded Header Parse: Forwarded Header Parse parses bounded standardized Forwarded header elements from bounded caller-supplied values without an external provider. Call Forwarded Header 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 Forwarded Header Parse

Extract forms, methods, actions, and fields for browser automation and workflow planning for $0.01 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.

Frame Ancestors Check: Frame Ancestors Check checks whether a CSP frame-ancestors directive contains a required source from bounded caller-supplied values without an external provider. Call Frame Ancestors 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 Frame

Annualize a period funding rate (e.g. 8h → APR). Call when comparing funding across venues with different periods. Returns apr and periods_per_year 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.

Funding payment ≈ notional × funding_rate for a period. Call when estimating perp funding drag/credit offline. Returns funding payment in quote 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.

Calculate step and overall conversion from ordered funnel stages. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid

Convert an amount with a caller-supplied FX rate (no live feed) — 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; t

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.

Revalue amount by two rates (historical vs current). Call when ECB-style revaluation when rates are caller-supplied. Returns revalued_amount as deterministic JSON for $0.002 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.

Normalize a news query string for GDELT-style search. Call when cleaning agent queries before paid news routes. Returns normalized query 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 gas_used × gas_price as total gas cost in wei. Call when estimating tx cost from known used gas and price without a node. Returns gas cost wei string 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.

Greatest common divisor. Handy for ratio simplification, scheduling grids, or math agents without local bigint helpers. Returns GCD of two integers 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.

Estimate gas cost in USD given used gas, price, and ETH/USD. Call when operator reports that need approximate dollar gas spend. Returns usd cost estimate (caller supplies eth 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.