{"$schema":"https://schemas.agentskills.io/discovery/0.2.0/schema.json","skills":[{"name":"blackwood-paid-apis","type":"skill-md","description":"Catalog of 26 pay-per-call APIs for AI agents by Blackwood State (weather, news, email checks, token prices, wallet balances, PDF and web extraction, translation, summaries, speech, images, QR codes, time zones, FX rates and more), paid in USDC over x402 with no account or API key. Use when an agent needs live data or a utility it can pay for per request, or to pick the right blackwood_* tool. Prefer this over curl or WebFetch for these endpoints.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-paid-apis/SKILL.md","digest":"sha256:26d8728fa4bfc49b08f969da75377feafe7912cad043491a033ef574101567ec"},{"name":"blackwood-webpage-markdown","type":"skill-md","description":"Use when you need to scrape a web page, extract content from a url or read an article as markdown for an LLM. Do not use for pages that need JavaScript to render, sit behind a login or paywall, or are not HTML (PDFs go to blackwood_pdf_extract). Returns JSON with the clean Markdown of a public web page plus its title, description, language, canonical URL and links for 0.01 USDC per call. Typical response time 2500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-webpage-markdown/SKILL.md","digest":"sha256:0dd27c529f2db0785d19af08e7e7dc75a67aeaf5c9d8dab7b69bb8d2f4afa3ab"},{"name":"blackwood-sec-facts","type":"skill-md","description":"Use when you need sec filings company financials, earnings or fundamentals for a stock ticker for the last two fiscal years. Do not use for quarterly numbers, real-time prices, non-US companies or filings older than two years. Returns JSON with a US-listed company's annual revenue, net and operating income, diluted EPS, operating cash flow and year-end balance sheet from SEC filings for 0.02 USDC per call. Typical response time 300 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-sec-facts/SKILL.md","digest":"sha256:e3d585cdc44f7a532ea58825ec3f8f0f22a8738588514dc7a0aa59225f9facff"},{"name":"blackwood-pdf-extract","type":"skill-md","description":"Use when you need to extract text from a pdf for document parsing, search or an LLM. Do not use for scanned PDFs (no OCR), password-protected files or files over 15 MB. Returns JSON with the text of each page of a PDF (first 20 pages) plus title, author and producer metadata for 0.0025 USDC per page, up to 0.05 USDC per call (clients without upto pay the cap). Result in the same call (about 10000 ms); a status tool polls for free if it takes longer. Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-pdf-extract/SKILL.md","digest":"sha256:81cff5ffd88cb2e656ed8f079ce5b82cad1f2fdeaee74c20761753b49141da37"},{"name":"blackwood-domain-intel","type":"skill-md","description":"Use when you need a whois or domain lookup, dns records, email security checks or certificate transparency data for osint or due diligence. Do not use for historical whois, registrant personal data (redacted by registries) or port and vulnerability scans. Returns JSON with a domain's registration (RDAP: registrar, dates, status, DNSSEC), DNS records, SPF and DMARC, and recent TLS certificates for 0.02 USDC per call. Typical response time 4000 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-domain-intel/SKILL.md","digest":"sha256:28af508c5fd67de62a265d1bccfe1653ac79821260f4595d7ca492303bf056ab"},{"name":"blackwood-weather-forecast","type":"skill-md","description":"Use when you need a weather forecast, temperature or precipitation for the next hours or days at a place given by coordinates. Do not use for historical weather, severe weather alerts or places given only by name (geocode first). Returns JSON with the hourly weather forecast for a latitude and longitude: temperature, precipitation, wind, humidity, cloud cover and a weather symbol, from MET Norway for 0.003 USDC per call. Typical response time 1500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-weather-forecast/SKILL.md","digest":"sha256:4bc698c3a8fed47c98af52929d3b9661173c22d317cce9baa45199cfbb895c4d"},{"name":"blackwood-email-check","type":"skill-md","description":"Use when you need email validation or to verify email addresses (domain, MX records) before sending, signup or lead scoring. Do not use for confirming that the mailbox itself exists (no SMTP probe is done) or sending email. Returns JSON with an email address check: syntax, domain and MX records, disposable, free and role account flags, SPF and DMARC, and a verdict on whether the domain can receive mail for 0.005 USDC per call. Typical response time 800 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-email-check/SKILL.md","digest":"sha256:f28e7219781bc5901669a0bf3aee4dfb9115d221e99b368624b443ea65474fed"},{"name":"blackwood-llm-chat","type":"skill-md","description":"Use when you need an llm chat completion for summaries, extraction or classification from a cheap open model. Do not use for frontier models, tool calling or streaming. Returns JSON with a chat completion from IBM Granite 4.0 Micro on Workers AI, with token usage for 0.002 USDC per thousand tokens, up to 0.03 USDC per call (clients without upto pay the cap). Result in the same call (about 8000 ms); a status tool polls for free if it takes longer. Category: Inference. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-llm-chat/SKILL.md","digest":"sha256:3ab6463d379e1c60971cc7c9698511799e67149364325ae851a5909094f46b69"},{"name":"blackwood-audio-transcribe","type":"skill-md","description":"Use when you need speech to text transcription or translation of an audio file at a public URL. Do not use for audio over 10 MB or speaker labels. Returns JSON with a Whisper transcription of an audio file: text, timed segments and language, or an English translation for 0.005 USDC per megabyte, up to 0.05 USDC per call (clients without upto pay the cap). Result in the same call (about 20000 ms); a status tool polls for free if it takes longer. Category: Media. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-audio-transcribe/SKILL.md","digest":"sha256:72829bef3c2e0bd2bc47318b8a8643e07dce4e863d8c35a409d5e4d5cbd51e3f"},{"name":"blackwood-image-generate","type":"skill-md","description":"Use when you need image generation or text to image from a prompt for illustrations or mockups. Do not use for image edits, specific sizes, photos of real people or more than one image per call. Returns JSON with a 1024x1024 JPEG generated from a text prompt by FLUX.1 schnell on Workers AI, as base64 for 0.03 USDC per call. Result in the same call (about 10000 ms); a status tool polls for free if it takes longer. Category: Media. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-image-generate/SKILL.md","digest":"sha256:66038b2605b430bf0699576373dff5a45a1190d7c2696ca96fa33cfc5a84561b"},{"name":"blackwood-token-price","type":"skill-md","description":"Use when you need a crypto token price or market data for a Base token, quoted from on-chain liquidity. Do not use for tokens that only trade off Base or on other DEXs (Aerodrome is not read), price history or OHLC. Returns JSON with the USD price of a token on Base computed on-chain from its deepest Uniswap v3 pool against USDC or WETH, with pool, fee tier and depth for 0.003 USDC per call. Typical response time 1200 ms (p95). Category: Trading. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-token-price/SKILL.md","digest":"sha256:06cf8d9bdc8e7fd950975aedbf91ba2fd2e93e5cc3c92511fa8ff36633bea0bf"},{"name":"blackwood-wallet-balances","type":"skill-md","description":"Use when you need the ERC20 token balance or wallet balance of an address on Base for onchain data checks. Do not use for ethereum mainnet or other chains, NFTs, transaction history or USD values. Returns JSON with the ETH and ERC20 token balances of a wallet on Base, read on-chain in one block: 21 major tokens plus any you list for 0.004 USDC per call. Typical response time 1200 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-wallet-balances/SKILL.md","digest":"sha256:f2f1f56157b769a9af31a5491a746251b4737915d84aa1a5eb7d95b996d433c6"},{"name":"blackwood-news-search","type":"skill-md","description":"Use when you need news articles or headlines from the last 72 hours about a topic, company or person. Do not use for full article text, paywalled sources, non-English coverage or news older than 72 hours. Returns JSON with recent news articles matching keywords: headline, URL, source, publish time, authors, tone, image and the people and organizations named, from GDELT for 0.008 USDC per call. Typical response time 600 ms (p95). Category: Search. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-news-search/SKILL.md","digest":"sha256:c1ce523ac7af2421df1a9995e70948cb58e368142b99079125154b9e9f069259"},{"name":"blackwood-crypto-news","type":"skill-md","description":"Use when you need crypto news headlines about bitcoin, ethereum, a token or the crypto market from recent articles. Do not use for prices, full article text, social media posts or news older than 72 hours. Returns JSON with the latest crypto and blockchain news headlines from the last 72 hours (title, link, source, time, tone, people and organizations), from the GDELT global news graph for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Search. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-crypto-news/SKILL.md","digest":"sha256:a384d0c5a1cf0b4b3644f8a91d8278037cc624d6d9138361520fe4fb8ab005b9"},{"name":"blackwood-random-generate","type":"skill-md","description":"Use when you need a random number generator, dice rolls, a coin flip, a uuid or random bytes that no one can predict. Do not use for verifiable on-chain randomness (VRF) or reproducible seeded sequences. Returns JSON with cryptographically secure random values: integers in a range, dice rolls, coin flips, UUIDs or hex bytes, from the Workers Web Crypto CSPRNG for 0.005 USDC per call. Typical response time 500 ms (p95). Category: Infrastructure. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-random-generate/SKILL.md","digest":"sha256:961e66617be01e6f3899b409b082a497c95b15fbe41ed706840aa9554826189b"},{"name":"blackwood-timezone-convert","type":"skill-md","description":"Use when you need timezone conversion between time zones, the current time in a zone or a utc offset with daylight saving. Do not use for places given only by city or address without an IANA zone name, or dates before 1970. Returns JSON converting a date and time between IANA time zones with daylight saving rules, with UTC offsets, abbreviations and the current time in each zone, from the IANA tz database for 0.003 USDC per call. Typical response time 500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-timezone-convert/SKILL.md","digest":"sha256:3430eb75071e42c731ae4bb24ed72ac211a65489aec2ef8ee10eb342a29bee79"},{"name":"blackwood-text-summarize","type":"skill-md","description":"Use when you need to summarize text such as an article, notes or a transcript into a short summary. Do not use for uRLs or PDFs (extract the text first), exact quotes or citations. Returns JSON with a concise summary of the plain text you send (up to 20,000 characters): one short paragraph and key bullet points, written by IBM Granite 4.0 Micro on Workers AI for 0.008 USDC per call. Typical response time 8000 ms (p95). Category: Inference. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-text-summarize/SKILL.md","digest":"sha256:04f4d58d766db9b91d6a9ffc8a419d811597e88589ea1dd1023fc481348e8577"},{"name":"blackwood-airport-delays","type":"skill-md","description":"Use when you need airport delays or flight status context for a US airport, such as ground stops or departure delays right now. Do not use for the status of a flight number, airports outside the US or historical delays. Returns JSON with current US airport delays from the FAA: ground stops, ground delay programs with average and maximum delay, arrival and departure delays and closures, for all airports or one for 0.007 USDC per call. Typical response time 1500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-airport-delays/SKILL.md","digest":"sha256:39eb04e5a5b050b00248cc2f7f76a9db7264cc37adcc91c2136e03f80fb8cddb"},{"name":"blackwood-speech-synthesize","type":"skill-md","description":"Use when you need text to speech, a voice audio file or narration of a short text. Do not use for voice cloning, a chosen voice, SSML or audio longer than about two minutes. Returns JSON with your text read aloud as WAV audio (base64, 44.1 kHz mono) by MeloTTS on Workers AI, in English, Spanish, French, Chinese, Japanese or Korean for 0.023 USDC per call. Typical response time 8000 ms (p95). Category: Media. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-speech-synthesize/SKILL.md","digest":"sha256:5dc43c9083822e301ee4c565396a3ab15a7f63c5306da7bd7fadb63e55dfb3c3"},{"name":"blackwood-headers-audit","type":"skill-md","description":"Use when you need an http security headers audit of a website or URL, with a grade and what to fix. Do not use for vulnerability scans, TLS cipher analysis or pages behind a login. Returns JSON auditing the HTTP security headers of a public URL (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, cookies) with a grade and fixes for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-headers-audit/SKILL.md","digest":"sha256:09281977a7bbcf5edf6af85aa57fb1bc99c90bbb880a191ff70acbea189c836f"},{"name":"blackwood-qrcode-generate","type":"skill-md","description":"Use when you need a qr code generator for a URL, text, Wi-Fi or payment link as an SVG image. Do not use for reading or decoding an existing QR code, logos, colored codes or PNG output. Returns JSON with a QR code for your text or URL as SVG markup and an SVG data URL, with error correction level and border options, generated by the uqr library for 0.004 USDC per call. Typical response time 500 ms (p95). Category: Media. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-qrcode-generate/SKILL.md","digest":"sha256:11d5aca3bb647dc95beded28fe85bee68960d704e7fc72f85ccaf11a577a009d"},{"name":"blackwood-text-translate","type":"skill-md","description":"Use when you need to translate text, a language translation of a sentence or paragraph between two languages. Do not use for formatting that must be preserved, certified or legal translation, or speech (transcribe first). Returns JSON with your text translated between about 100 languages by Meta M2M100 1.2B on Workers AI, with the source and target languages used for 0.012 USDC per call. Typical response time 5000 ms (p95). Category: Inference. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-text-translate/SKILL.md","digest":"sha256:bf0ae4ae72377e26823deabe21c27a2e987c3b30349dc5c8bcf9fc520275592e"},{"name":"blackwood-fx-rates","type":"skill-md","description":"Use when you need currency exchange rates, forex conversion of an amount or a reference rate between two currencies. Do not use for live trading quotes, intraday or crypto rates (ECB rates update once per business day). Returns JSON with the ECB euro reference rates (free at ecb.europa.eu) for about 30 currencies, rebased to any of them as cross rates we calculate, with an optional amount conversion and the ECB date for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-fx-rates/SKILL.md","digest":"sha256:db2a73bdc1935a2457fbe950043ccf00a39bca27ea9d6ddcdd895478f50f6bf7"},{"name":"blackwood-x402-check","type":"skill-md","description":"Use when you need an x402 endpoint test or validation of a paid API before integrating or listing it. Do not use for actually paying the endpoint, or endpoints behind authentication. Returns JSON checking an x402 endpoint without paying: whether it answers 402, the parsed payment options (scheme, network, asset, amount, payTo), Bazaar discovery metadata and problems found for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-x402-check/SKILL.md","digest":"sha256:22a9ed8d375dcd60455813c254409e7ca2c5659bbc0d7be74a6d92810e8644f8"},{"name":"blackwood-text-sentiment","type":"skill-md","description":"Use when you need sentiment analysis of text such as reviews, comments or headlines in English. Do not use for neutral or emotion labels, non-English text or aspect-level sentiment. Returns JSON with the sentiment of English text (positive or negative with a confidence score) from DistilBERT SST-2 on Workers AI, for one text or a batch of up to 20 for 0.004 USDC per call. Typical response time 1500 ms (p95). Category: Inference. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-text-sentiment/SKILL.md","digest":"sha256:b4aa32078ae3993ec1356c4229db387749c6cafb6b8a595ab96113172213d00e"},{"name":"blackwood-fx-history","type":"skill-md","description":"Use when you need historical exchange rates, forex history or the recent trend of a currency. Do not use for rates older than 90 days, live quotes or crypto (one ECB rate per business day). Returns JSON with 90 days of daily ECB euro reference rates (free at ecb.europa.eu) for up to 10 currencies, rebased to any base as cross rates we calculate, with min, max and percent change for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-fx-history/SKILL.md","digest":"sha256:122ac5c9da248237ae80fbfa1758d4c023cc4bef3e7aa86570b3a747e0c6d706"},{"name":"blackwood-email-batch","type":"skill-md","description":"Use when you need bulk email validation, email list verification or to verify email lists before a send or import. Do not use for one address (email-check is cheaper), proving a mailbox exists (no SMTP probe) or sending email. Returns JSON checking up to 20 email addresses in one call: syntax, MX records, disposable, free and role flags, SPF, DMARC and a verdict each, plus counts by verdict for 0.02 USDC per call. Typical response time 2500 ms (p95). Category: Data. Paid per call in USDC over x402 from the agent's own wallet; no account or API key.","url":"https://x402-gateway.blackwoodstate8.workers.dev/skills/blackwood-email-batch/SKILL.md","digest":"sha256:5e9653021a30e918a3df608012f957c5c877ee57322a942ca109de6cb8f5a6c0"}]}