Call when an agent needs response headers from an SSRF-safe HEAD or GET of a public URL. Use it to inspect content type, caching, and server headers without downloading a parsed page. Send JSON {"url":"https://example.com/","method":"HEAD"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/http-headers first.

Call when an agent needs a heuristic language guess for text. No LLM and no network. Send JSON {"text":"The widget is now generally available for the public on the web."}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/lang-detect first.

Call when an agent needs HEAD status for up to 20 public URLs (SSRF-safe). Send JSON {"urls":["https://example.com/","https://example.com/widget"]}. Exact $0.01 USDC on Base. Try unpaid POST /v1/sandbox/link-status first.

Call when an agent needs an h1–h6 outline from a public URL or HTML. Use it to map a document before summarizing. Provide url or html. Send JSON {"html":"<h1>Hello</h1><h2>Details</h2>"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/heading-outline first.

Call when an agent needs URLs from a sitemap or sitemap index (SSRF-safe, one index level, cap 1000). Use it to enumerate public pages before crawling them one by one. Send JSON {"url":"https://example.com/sitemap.xml"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/sitemap-urls first.

Call when an agent needs an RSS or Atom feed parsed into a title plus up to 50 items (link, published, summary). Use it to list recent posts. SSRF-safe. Send JSON {"url":"https://example.com/feed.xml"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/feed-parse first.

Call when an agent needs the final URL after redirects (max 5, SSRF-safe HEAD/GET), plus status and redirect_chain. Use it to unwrap shorteners before paying for a content fetch. Send JSON {"url":"https://example.com/"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/url-expand first.

Call when an agent needs a JSON object or array converted to markdown (tables for an array of objects). Use it to show structured data in a chat. No network. Send JSON {"json":{"name":"Ada","role":"eng"}}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/json-to-md first.

Call when an agent needs heuristic text stats: chars, words, sentences, reading_time_min, and lang_hint. Use it to size a passage before summarizing. No LLM and no network. Send JSON {"text":"Hello world. This is a short English paragraph for AgentShelf."}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/text-stats first.

Call when an agent needs a SHA-256 or MD5 hex digest of provided text. No network. Send JSON {"text":"hello","algorithm":"sha256"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/content-hash first.

Call when an agent needs JSON-LD blocks extracted from a public page or HTML. Use it to read structured data such as Article or Product. Provide url or html. SSRF-safe. Send JSON {"html":"<script type=\"application/ld+json\">{\"@type\":\"Article\"}</script>"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/extract-jsonld first.

Call when an agent needs absolute, de-duplicated links (cap 500) from a public URL or HTML the agent already has. Use it to collect outlinks. Provide url, html, or both (html wins and url is the base for relative hrefs). Send JSON {"url":"https://example.com/","html":"<a href='/about'>About</a><a href='https://example.com/docs' rel='nofollow'>Docs</a>"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/extract-links first.

Call when an agent needs HTML converted to plain text (scripts and styles removed). No network. Send JSON {"html":"<p>Hello <b>world</b></p>"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/html-to-text first.

Call when an agent needs phone numbers extracted from a public page or HTML. Use it to read numbers that are already on the page. Provide url or html. SSRF-safe. Send JSON {"html":"Call +1 415 555 0134 today."}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/extract-phones first.

Call when an agent needs Markdown converted to HTML (headings, lists, links, code, emphasis). No network. Send JSON {"markdown":"# Hello\n\nWorld"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/md-to-html first.

Call when an agent needs title, description, canonical, robots, og:*, twitter:*, and icons[] from a public page. Use it to read social and SEO tags without parsing HTML. SSRF-safe. Send JSON {"url":"https://example.com/"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/extract-meta first.

Call when an agent needs Mozilla Readability article markdown from a public URL, plus title, byline, excerpt, and final_url. Use it when the page is an article and url-to-md would keep too much boilerplate. SSRF-safe. Send JSON {"url":"https://example.com/article"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/readability first.

Call when an agent needs HTML tables from a public URL or HTML turned into headers and rows. Use it to lift pricing or spec tables into JSON. Provide url or html. Send JSON {"html":"<table><thead><tr><th>Name</th><th>Price</th></tr></thead><tbody><tr><td>Widget</td><td>9</td></tr></tbody></table>"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/table-to-json first.

Call when an agent needs the storage word at a slot for one Ethereum contract. Send contract, slot, and an optional block tag. Read-only eth_getStorageAt. No spend. Send JSON {"contract":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","slot":"0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/eth-storage first.

Call when an agent needs a CSPRNG value from local crypto. mode is int, bytes, or choice. bytes n is at most 64. choice picks from a comma-separated list of at most 100 items, with optional shuffle. An audit id is returned. There is no seed. No network. Send JSON {"mode":"int","min":1,"max":10}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/random first.