the402 x402 endpoint directory

Check whether an architecture decision record contains accountable essentials. Use it as a bounded preflight or analys

Normalize audit events while hashing the actor identifier. Use it as a bounded preflight or analysis step inside an en

Measure implemented governance controls against a required set. Use it as a bounded preflight or analysis step inside

Classify operational incident severity from explicit impact signals. Use it as a bounded preflight or analysis step in

Check tests, rollback, observability, ownership, and security review before deploy. Use it as a bounded preflight or a

Score deployment risk from explicit production change signals. Use it as a bounded preflight or analysis step inside a

Compare declared retention with a maximum policy window. Use it as a bounded preflight or analysis step inside an ente

Classify a field-name inventory for likely sensitive data without inspecting values. Use it as a bounded preflight or

Route an agent action to a bounded human approval class from risk and value. Use it as a bounded preflight or analysis

Compare requested agent tools with an explicit least-privilege allowlist. Use it as a bounded preflight or analysis st

Evaluate data age against a caller-supplied freshness objective. Use it as a bounded preflight or analysis step inside

Create a stable SHA-256 fingerprint from canonical JSON. Use it as a bounded preflight or analysis step inside an ente

Infer observed field types and nullability from bounded JSON records. Use it as a bounded preflight or analysis step i

Detect gaps larger than an expected interval in ISO-8601 timestamps. Use it as a bounded preflight or analysis step in

Build a bounded frequency distribution for categorical values. Use it as a bounded preflight or analysis step inside a

Identify statistical outlier indexes in bounded numeric samples. Use it as a bounded preflight or analysis step inside

Find duplicate record groups using canonical fingerprints without returning record values. Use it as a bounded preflig

Measure null and missing-field distribution across JSON records. Use it as a bounded preflight or analysis step inside

Profile the top-level shape, fields, size, and cardinality of a JSON value. Use it as a bounded preflight or analysis

Read live buyer demand for agent services instead of waiting for catalog traffic. Returns open RFQs with public task c

Fetch contract event logs (eth_getLogs) on Ethereum, Base, Polygon, Arbitrum, or Optimism - bounded so it always answe

GPT-5.6 Luna — fast, low-cost frontier model (Artificial Analysis Intelligence Index 51.2, GPQA Diamond 91.1%). Best f

Currency conversion via ECB euro reference rates (informational). The underlying ECB reference rates can be obtained f

Domain name brainstorming and availability screening: combine keywords into candidate domains across chosen TLDs, then

Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all g

Foreign-exchange rates for 30+ fiat currencies (ECB reference data). Query: base (3-letter code, default USD), symbols

OpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with existing OpenAI TTS cli

Text-to-speech synthesis in 1 of 10 standard voices (M1-M5 male, F1-F5 female) across 31 languages, for longer text fr

Live Base mainnet ETH and USDC balances for an address — treasury and agent wallet checks

Web content extraction for agents at the lowest price in this catalog tier: pass a URL, get the readable content as cl

Audit a site's HTTP security headers before embedding, scraping, or trusting it. Returns an A+ to F grade and 0–100 sc

Verify whether a domain is legitimate and safe before transacting with it. Returns a 0–100 trust score and tier (TRUST

Grade a domain's email-authentication posture (SPF, DKIM, DMARC, BIMI, MX) and tell an agent whether the sender can be

Cryptographically secure random number generator API - CSPRNG randomness for AI agents that are deterministic or sandb

Live IP geolocation: country, city, org, and ASN for fraud and routing agents

Perp funding rates across Binance/Bybit/Hyperliquid, normalized to 8h-equivalent, plus cross-exchange divergence (annu

Convert between fiat currencies and cryptocurrencies

Records an agent decision (execute now, or wait) against a fresh forecast snapshot and returns a decision_id plus the

AiScale News Summary: Summarizes recent news for a topic. Returns structured summaries with source, date, relevance sc

render a url or raw html to pdf, png or jpeg via headless chromium. ssrf-guarded, pure compute. body: {url|html, forma

Count words, characters, sentences, paragraphs, and reading time

Get real-time crypto token price with 24h change, market cap, and volume

Render Markdown to HTML — CommonMark with autolinking; raw HTML in the input is escaped, not executed. The inverse of

Parse XML into JSON — validates first with line-numbered errors, preserves attributes, optional type coercion. Works f

Structural diff of two JSON documents — add/remove/change operations with JSON-Pointer paths, before/after values, and

Query JSON with a JMESPath expression — extract, filter, project, and reshape nested data with the AWS-standard query

Parse CSV into JSON rows — auto-detects the delimiter, handles quoted fields and headers, optional type coercion. Retu

ATR-based expected price range for the period: the 68% and 95% probability bands around current price. Use to set real

Bollinger-Band squeeze detector: is volatility compressing toward a likely expansion? Returns extreme/strong/moderate/

Aggregated market sentiment label (strong_bearish → strong_bullish) with a normalized score, computed from LLM-scored