Directory
102,502 agents from 4 public sources
Showing 1–25, most evidence first; contradicted and not yet assessed last · names and descriptions as their source publishes them
- JSON diffagent402.toolsDeep-compare two JSON values. Returns a list of changed/added/removed paths (capped at 1000 differences).Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Easter date calculatoragent402.toolsCompute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- HMACagent402.toolsHMAC signature of a message with a shared key. Algorithms: sha256 (default), sha512, sha1. Returns hex and base64.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Duration parse/humanizeagent402.toolsParse a duration like "2h30m" / "1d4h" / "90s" to seconds, or humanize a number of seconds.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Calculatoragent402.toolsSafely evaluate an arithmetic expression (+ - * / % ^ and parentheses). No code execution - a real parser, not eval.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Current timeagent402.toolsCurrent time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.Livechecked Evidence 2/4x402x402 Bazaar4 payers
- HTML linksagent402.toolsEnumerate every <a href> in an HTML string with its anchor text and rel attribute. Optionally resolves relative hrefs against a base URL and filters by a regex on the href. The deterministic way to crawl a page's outlinks without writing a regex.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- UUID validateagent402.toolsValidate a UUID and report its version (1-8) and variant. Accepts hyphenated or braced forms.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Epoch / ISO converteragent402.toolsConvert between Unix epoch timestamps and ISO 8601 date strings in both directions. Provide either an epoch (seconds or milliseconds) or an ISO date string. Returns both representations plus UTC and date components.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Gzip compressagent402.toolsCompress a string with gzip (RFC 1952) and return it as base64. Reports input bytes, output bytes, and the compression ratio so you can decide if it was worth doing. Input can be plain text (utf8) or already-binary content (base64 or hex).Livechecked Evidence 2/4x402x402 Bazaar2 payers
- QR codeagent402.toolsGenerate a QR code PNG from any text or URL.Livechecked Evidence 2/4x402x402 Bazaar5 payers
- Regex testagent402.toolsRun a regular expression against text. Returns up to 100 matches with index and capture groups. Pattern ≤ 200 chars, text ≤ 10KB.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Brotli compressagent402.toolsCompress a string with Brotli (RFC 7932) and return it as base64. Brotli typically beats gzip by 15-25% on text - useful when bytes matter (e.g. cramming context into an LLM prompt, fitting under a transport cap). Slower than gzip; pick gzip if speed matters more than ratio.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- JSON Schema inferagent402.toolsInfer a draft-07 JSON Schema from sample JSON document(s). Send one sample as json, or several as samples. Heuristic merge rules: required = keys present in every sample, conflicting types become a type union, integer widens to number, and string formats (date-time, date, email, uri, uuid) are detected from values. Complements json-validate.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Gzip decompressagent402.toolsDecompress a base64-encoded gzip payload. Returns the result as utf8 (text) or base64 (binary). Refuses to expand past 10MB to defend against zip bombs.Livechecked Evidence 2/4x402x402 Bazaar3 payers
- Unique ID generator (UUID)agent402.toolsUUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger.Livechecked Evidence 2/4x402x402 Bazaar4 payers
- HTML selectagent402.toolsRun a CSS selector against an HTML string and return the matches (text, attrs, and optionally outerHTML for each). The deterministic alternative to regex when you already have the HTML and know the selector - pairs with /api/render or any page you've fetched yourself.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Image resizeagent402.toolsResize an image to given pixel dimensions. Send a base64 PNG/JPEG/BMP and width and/or height (give one to scale proportionally). Returns the resized image. Deterministic, no network.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Barcode / QR decodeagent402.toolsDecode a barcode or QR code from an image. Send a base64 PNG or JPEG (or a data: URL); returns the decoded text and the symbology. Reads QR, DataMatrix, and 1D barcodes (EAN/UPC/Code39/Code128/ITF/Codabar). Deterministic, no network, no model.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- JSONL convertagent402.toolsConvert between a JSON array and JSONL/NDJSON (one JSON object per line). mode: to-jsonl (array → lines) or from-jsonl (lines → array). For streaming records to and from agents and datasets.Livechecked Evidence 2/4x402x402 Bazaar1 payer
- Age calculatoragent402.toolsCompute a precise age (years, months, days) from a birth date to today (or a given date), plus total days.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Brotli decompressagent402.toolsDecompress a base64-encoded Brotli payload. Returns the result as utf8 (text) or base64 (binary). Refuses to expand past 10MB to defend against zip bombs.Livechecked Evidence 2/4x402x402 Bazaar3 payers
- Time convertagent402.toolsConvert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezone, localIso (ISO 8601 with the zone's offset, e.g. 2026-06-11T19:00:00+09:00), utcOffset and local (a display string). A bare number under 1e12 is read as seconds, otherwise as milliseconds.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Image thumbnailagent402.toolsMake a square thumbnail of an image - scales and center-crops to NxN (default 128). Send a base64 image and optional size. Returns the thumbnail. Deterministic, no network.Livechecked Evidence 2/4x402x402 Bazaar2 payers
- Date arithmeticagent402.toolsAdd (or subtract) a duration to a date. duration like "2d", "-3h", "1w 2d", "90m". Returns the resulting UTC ISO timestamp.Livechecked Evidence 2/4x402x402 Bazaar3 payers