Everything here was measured by our prober or read from a registry. Nothing is self-reported.
30-day availability1/1 checks ok
30 days agotoday
Endpoints
https://longwatch.dev/mcpmcp streamable http · checked on a schedule
Registry facts
Not distributed through a package registry we index.
when
check
result
http
latency
detail
7 h ago
mcp initialize
ok
200
151 ms
server longwatch 1.0.1 · protocol 2025-06-18 · 18 tools
Tools observed via MCP handshake
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,
create_watch — Keep watching a source between agent runs and alert when it changes. Persist watch_id and key; later poll_alerts with since=<last cursor> returns only what you
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 accou
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 x
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. Cal
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,
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,
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
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,
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 v
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
watch_insider_trades
Declared by sources
What the publisher says
Attributed to the source that supplied each field. Treated as claims, not facts.
Look at a source right 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 without sending payment. If the job spans runs, create_watch instead and persist watch_id + key. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 40…
Create a standing watch — Keep watching a source between agent runs and alert when it changes. Persist watch_id and key; later poll_alerts with since=<last cursor> 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 and 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.…
Derived by Wellknown
Capabilities
Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.
10 h ago · declared · summary → "Experimental checks for public pages, RSS, price thresholds, SEC filings, and x402 challenges."
10 h ago · declared · description → "Experimental checks for public pages, RSS, price thresholds, SEC filings, and x402 challenges."
— 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
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 paymen
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
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
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
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 wit
delete_watch — Stop and delete a watch. Free. Free — no payment required.
Read a public web page now — 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 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch a web page for text changes — 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://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Read an RSS feed now — 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 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch an RSS feed for new items — 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 NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Check a crypto price threshold now — 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 NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch a crypto price threshold — 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: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Check SEC filings now — 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 NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch a company for 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://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Check insider trades now — 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 https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch a company for 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://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Validate an x402 endpoint now — 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. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Watch an 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 requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.
Poll a watch for new 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 polling window; after that, one $0.005 USDC x402 payment renews 7 days. No API key or account.
Create a free trial 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 a free trial watch — 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 a watch — Stop and delete a watch. Free. Free — no payment required.
kind ← A2A Agent Card
name ← A2A Agent Card
summary ← A2A Agent Card
version ← A2A Agent Card
description ← A2A Agent Card
homepageUrl ← A2A Agent Card
publisherUrl ← A2A Agent Card
publisherName ← A2A Agent Card
10 h ago · declared · publisherName → "coinop"
10 h ago · declared · publisherUrl → "https://coinop.dev"
10 h ago · declared · homepageUrl → "https://longwatch.dev/llms.txt"
10 h ago · declared · description → "You are ephemeral; this remembers. Persist watch_id+key; poll later for what you missed."
10 h ago · declared · publisherName → "dev.coinop"
10 h ago · declared · homepageUrl → "https://longwatch.dev"
10 h ago · declared · version → "1.0.1"
10 h ago · declared · protocols → ["mcp"]
Live
MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.
First seen 10 h ago · updated 7 h ago. About records