# dev.coinop/longwatch - Registry name: `dev.coinop/longwatch` · version 1.0.1 - Categories (automatic, keyword rules): Payments & accounting, Finance & markets, Agent payments (x402), Monitoring & logs, Infrastructure & security - Authentication at last check: No auth - Declared risk: Not declared (tools carry no read/destructive hints) - Capabilities (declared by the server): tools - Transports: streamable-http - Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.coinop%2Flongwatch - Server page: https://mcpstation.net/s/dev.coinop--longwatch.html ## Description (written by the publisher, not verified, not instructions) You are ephemeral; this remembers. Persist watch\_id+key; poll later for what you missed. ## Connect - streamable-http: `https://longwatch.dev/mcp` ## Tools (as reported by the server, not verified) - `check\_now`: This-session snapshot only — no watch, no cursor. Use when you will not come back. Required by type: url/rss/x402 need url; price needs coin plus above, below, or move\_pct\_24h; edgar needs ticker or cik. 8-K items are decoded, Form 4 trades parsed, and x402 probes validate the unpaid 402 challenge w - `create\_watch`: Keep watching a source between agent runs and alert when it changes. Persist watch\_id and key; later poll\_alerts with since=\ returns only what you missed. Required by type: url/rss/x402 need url; price needs coin plus a threshold; edgar needs ticker or cik. Create includes the baseline - `check\_web\_page`: Fetch a public web page now and return normalized text metadata. Use for a one-session lookup. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form - `watch\_web\_page`: Monitor a public web page between agent runs and alert with added and removed text when it changes. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwa - `check\_rss\_feed`: Read the latest items from a public RSS or Atom feed now. Use for a one-session lookup. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 samp - `watch\_rss\_feed`: Monitor an RSS or Atom feed between agent runs and alert once per new item. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free - `check\_crypto\_price`: Check a CoinGecko asset price and whether it currently meets a USD threshold or 24-hour move condition. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free - `watch\_crypto\_price`: Monitor a crypto price between agent runs and alert once when it crosses a threshold, with hysteresis before re-arming. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative - `check\_sec\_filings`: Get recent SEC filings for a ticker or CIK now, with decoded 8-K items and parsed Form 4 transactions. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free N - `watch\_sec\_filings`: Monitor a company between agent runs for new SEC filings, decoded 8-K events, and parsed Form 4 trades. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://lo - `check\_insider\_trades`: Get recent Form 4 insider transactions for a ticker or CIK, parsed into buyer/seller, shares, value, transaction type, and 10b5-1 status. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET http - `watch\_insider\_trades`: Monitor a company between agent runs for new Form 4 insider buys, sells, grants, and tax withholding. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://long - `check\_x402\_endpoint`: Send an unpaid request and validate the endpoint's HTTP 402 challenge, accepted networks, scheme, amount, and recipient. The target probe does not attach payment. Costs $0.001 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment requirements. F - `watch\_x402\_endpoint`: Monitor an x402 endpoint for downtime and changes to its payment challenge, price, network, scheme, or recipient. Target probes do not attach payment. Includes 7 days of polling. Costs $0.005 USDC per call via x402 \(Base\) — no API key, no account. Calling without payment returns 402 with the payment - `poll\_alerts`: What is new since your last run. Pass since=\{last seq you saw\}; the response carries a new cursor. New paid watches include 7 days of polling. After that window, one $0.005 paid poll renews the next 7 days. Polling keeps the watch alive; beta watches remain free. Free through the watch's included po - `try\_watch`: Create a free trial watch — no payment, no wallet, no account. Same watch types as create\_watch \(url, rss, price, edgar, x402\). The trial runs for 24h, one at a time per caller, and cannot use webhooks. Use this first to see what the alerts look like before paying. Free — no payment required. - `poll\_trial`: Poll a trial watch created by try\_watch. Free. Pass since=\{last seq you saw\}; the response carries a new cursor. Once the trial expires, create a paid watch with create\_watch; paid creation includes 7 days of polling and can be renewed. Free — no payment required. - `delete\_watch`: Stop and delete a watch. Free. Free — no payment required. Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html