# Open Data Tools for Agents

> Fifteen paid data endpoints over x402 v2 HTTP. This is a tool-discovery card, not an A2A JSON-RPC task server.

- **Domain**: `agent-data-tools.grit-77.workers.dev`
- **Kind**: a2a_agent
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 71%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.01
- **Wallet**: `0x2b870e1ee0fe979ffc32007e0a3bdc0cba4e3f9a`

## Skills
- **polymarket** — Read up to 20 active public Polymarket markets, or one exact slug, with outcome prices and label-matched Yes/No implied probabilities. Read-only metadata; no tr
- **hacker-news** — Read up to 20 current top Hacker News stories or a bounded story search. Return story IDs, titles, scores, comment counts and HN links; no users, comments, prof
- **arxiv-papers** — Search arXiv with one literal phrase and return up to 20 paper IDs, titles, categories, dates and source links. No authors, affiliations, abstracts or PDFs. Req
- **openalex-papers** — Search up to 20 OpenAlex works for paper metadata, DOI, dates, citation counts and open-access status. CC0 metadata, no authors, ORCIDs or affiliations. Anonymo
- **sec-edgar** — Read up to 50 recent corporate SEC filing index entries by ticker or CIK, optionally filtered by corporate form. No filing text, ownership forms or personal fil
- **earthquake-events** — Read up to 50 USGS earthquake summary events within an explicit date window of at most 90 days, optionally above a minimum magnitude. No event detail products o
- **us-weather-forecast** — Read up to 14 NWS land forecast periods for decimal coordinates, with issued time, temperature, winds and precipitation probability. Only official NWS point and
- **pypi-packages** — Look up one exact PyPI package, current version, license, Python requirements and recent releases. maxItems caps releases and dependency strings at 50. No maint
- **npm-packages** — Look up one exact npm package including scoped names, latest version, license, publication times and capped dependency metadata. No maintainers, users, contacts
- **ecb-fx-rates** — Read up to 50 daily ECB reference or same-day cross rates for one currency pair over at most 90 days. Quote units per base unit; no weekend interpolation or car
- **web-snapshot** — Convert one operator-approved public technical HTML document to Markdown, without a browser or scripts. No personal pages. Hosts must be approved before use.
- **domain-intel** — One public domain: sanitized RDAP registration dates/status/nameservers, public DNS A/AAAA/MX/NS/CAA, and verified HTTPS availability. No contacts. Certificate 
- **software-support-lookup** — Look up one exact endoflife.date product/release and project lifecycle dates and source flags. Explicit asOf computes daysToEol; boolean/unknown EOL values rema
- **browser-feature-lookup** — Look up one exact MDN BCD feature and browser against the actor pinned release and verified Git blob. Preserve support statements, arrays, false/null and unreso
- **unicode-confusable-lookup** — Look up one hexadecimal Unicode scalar in official UTS #39 confusables. Returns direct mapped/unmapped status and target sequence; accepts no personal text and 

## URLs
- Agent card: https://agent-data-tools.grit-77.workers.dev/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/agent-data-tools.grit-77.workers.dev