Development x402 offerings

Compare ETag validators including weak tags and If-None-Match lists — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $…

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-rea…

JSON root type and size. Use as a cheap preflight before heavier JSON processing. Returns root type (object/array/…) and a size signal. $0.001 USDC per successful call via x402 on Base or Solana—dete…

MCP server readiness API for agents: audit tools/list, schemas, manifests, discovery, and integration readiness for $0.01 USDC before publishing or connecting a client. Call when you need this bounde…

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 loc…

Compute a stable topological order for workflow nodes and report structural cycles — call when ordering workflow nodes and detecting structural cycles. Use before side effects when composing multi-st…

Convert snake_case database, Python, or API field names into lowerCamelCase keys for $0.001 USDC, so agents can produce JavaScript-ready payloads without writing a fragile adapter. The deterministic …

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 …

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-p…

Lowercase HTTP header keys and drop hop-by-hop headers — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $0.001 USDC vi…

Method Idempotency Classify: Method Idempotency Classify classifies an HTTP method as safe, idempotent, or non-idempotent from bounded caller-supplied values without an external provider. Call Method…

Diff path keys between two OpenAPI path maps. Call when detecting added/removed routes between specs. Returns added, removed, common_count as deterministic JSON for $0.001 USDC via x402 on Base. Firs…

Validate environment variable key shape A-Z0-9 underscore — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $0.001 USDC…

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, n…

Seeded Kfold Split: Seeded Kfold Split assigns item indices to reproducible cross-validation folds from bounded caller-supplied values without an external provider. Call Seeded Kfold Split when an ag…

JSON Pointer Escape: JSON Pointer Escape escapes one JSON Pointer reference token from bounded caller-supplied values without an external provider. Call JSON Pointer Escape before an agent hands stru…

Index named GraphQL queries, mutations, and subscriptions. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial…

Pick a shallow whitelist of keys from a JSON object — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machine-readable JSON for $0.001 USDC via x…

Calculate a bounded exponential backoff schedule for reliable autonomous retries. Use it before an autonomous workflow acts on untrusted input, changes an API, retries a request, or evaluates product…

JSON Patch Preview: JSON Patch Preview previews bounded add, remove, and replace operations without mutating a source from bounded caller-supplied values without an external provider. Call JSON Patch…

Range Header Parse: Range Header Parse parses one bounded HTTP byte range into start and end offsets from bounded caller-supplied values without an external provider. Call Range Header Parse before a…

Detect removed OpenAPI paths and methods before an agent deploys a client-breaking change. Use it before an autonomous workflow acts on untrusted input, changes an API, retries a request, or evaluate…

JSON type name for a value. Call when you branch agent logic by runtime JSON type. Returns type string for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only…

Lightweight type/required/property check for agent-held JSON (not full draft validation) — first-party local utility for agent preflight and proven micro-utils expansion. Returns deterministic machin…