← The evidence ledger
Evidence row 565222
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint b5127e6f-0cd9-49c0-abe7-dbb4768d24b7
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 83b98d28310b6db9be034ff5259e1f5c14273112818dde0a3e74db9fcaf352d4
- Leaf
- 0xe780f9663ce4aea0d52b11f84cf2573c13f707d868d77c2c53225920cf6b8ac5
What was observed
{
"count": 18,
"tools": [
{
"description": "Check a CoinGecko asset price and whether it currently meets a USD threshold or 24-hour move condition. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"above": {
"type": "number"
},
"below": {
"type": "number"
},
"coin": {
"description": "CoinGecko id, e.g. bitcoin",
"type": "string"
},
"move_pct_24h": {
"type": "number"
}
},
"required": [
"coin"
],
"type": "object"
},
"name": "check_crypto_price"
},
{
"description": "Get recent Form 4 insider transactions for a ticker or CIK, parsed into buyer/seller, shares, value, transaction type, and 10b5-1 status. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"cik": {
"type": "number"
},
"ticker": {
"type": "string"
}
},
"type": "object"
},
"name": "check_insider_trades"
},
{
"description": "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 $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"above": {
"description": "price: threshold to compare against",
"type": "number"
},
"below": {
"description": "price: threshold to compare against",
"type": "number"
},
"body": {
"additionalProperties": {},
"type": "object"
},
"cik": {
"description": "edgar: SEC CIK, as an alternative to ticker",
"type": "number"
},
"coin": {
"description": "price: CoinGecko id, e.g. 'bitcoin'",
"type": "string"
},
"expected_amount_atomic": {
"type": [
"string",
"number"
]
},
"expected_network": {
"type": "string"
},
"expected_scheme": {
"type": "string"
},
"forms": {
"description": "edgar: form filter, e.g. [\"8-K\",\"4\"]",
"items": {
"type": "string"
},
"type": "array"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"move_pct_24h": {
"description": "price: 24h move threshold to compare against",
"type": "number"
},
"ticker": {
"description": "edgar: stock ticker, e.g. 'NVDA'",
"type": "string"
},
"type": {
"description": "source type",
"enum": [
"url",
"rss",
"price",
"edgar",
"x402"
],
"type": "string"
},
"url": {
"description": "url|rss|x402: public URL",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"name": "check_now"
},
{
"description": "Read the latest items from a public RSS or Atom feed now. Use for a one-session lookup. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"url": {
"description": "public RSS or Atom feed URL",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "check_rss_feed"
},
{
"description": "Get recent SEC filings for a ticker or CIK now, with decoded 8-K items and parsed Form 4 transactions. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"cik": {
"type": "number"
},
"forms": {
"items": {
"type": "string"
},
"type": "array"
},
"ticker": {
"type": "string"
}
},
"type": "object"
},
"name": "check_sec_filings"
},
{
"description": "Fetch a public web page now and return normalized text metadata. Use for a one-session lookup. Costs $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"url": {
"description": "public http(s) page URL",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "check_web_page"
},
{
"description": "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 $0.001 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": {},
"type": "object"
},
"expected_amount_atomic": {
"type": [
"string",
"number"
]
},
"expected_network": {
"type": "string"
},
"expected_scheme": {
"type": "string"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "check_x402_endpoint"
},
{
"description": "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 $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"above": {
"description": "price: alert when USD price crosses above this",
"type": "number"
},
"below": {
"description": "price: alert when USD price crosses below this",
"type": "number"
},
"body": {
"additionalProperties": {},
"type": "object"
},
"cik": {
"description": "edgar: SEC CIK, as an alternative to ticker",
"type": "number"
},
"coin": {
"description": "price: CoinGecko id, e.g. 'bitcoin'",
"type": "string"
},
"expected_amount_atomic": {
"type": [
"string",
"number"
]
},
"expected_network": {
"type": "string"
},
"expected_scheme": {
"type": "string"
},
"forms": {
"description": "edgar: form filter, e.g. [\"8-K\",\"4\"]",
"items": {
"type": "string"
},
"type": "array"
},
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch without charging twice",
"type": "string"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"move_pct_24h": {
"description": "price: alert when |24h change| exceeds this percent",
"type": "number"
},
"ticker": {
"description": "edgar: stock ticker, e.g. 'NVDA'",
"type": "string"
},
"type": {
"description": "watch type",
"enum": [
"url",
"rss",
"price",
"edgar",
"x402"
],
"type": "string"
},
"url": {
"description": "url|rss|x402: public URL to watch",
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional: POST alerts to this URL as they occur (signed); polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"required": [
"type"
],
"type": "object"
},
"name": "create_watch"
},
{
"description": "Stop and delete a watch. Free. Free — no payment required.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"key": {
"description": "key returned by create_watch",
"type": "string"
},
"watch_id": {
"description": "watch_id to delete",
"type": "string"
}
},
"required": [
"watch_id",
"key"
],
"type": "object"
},
"name": "delete_watch"
},
{
"description": "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 $0.005 USDC x402 payment renews 7 days. No API key or account.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"key": {
"description": "key returned by create_watch",
"type": "string"
},
"since": {
"description": "highest alert seq already seen; 0 on first poll",
"type": "number"
},
"watch_id": {
"description": "watch_id returned by create_watch",
"type": "string"
}
},
"required": [
"watch_id",
"key"
],
"type": "object"
},
"name": "poll_alerts"
},
{
"description": "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.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"key": {
"description": "key returned by try_watch",
"type": "string"
},
"since": {
"description": "highest alert seq already seen; 0 on first poll",
"type": "number"
},
"watch_id": {
"description": "watch_id returned by try_watch",
"type": "string"
}
},
"required": [
"watch_id",
"key"
],
"type": "object"
},
"name": "poll_trial"
},
{
"description": "Create a free trial watch — no payment, no wallet, no account. Same watch types as create_watch (url, rss, price, edgar, x402). The trial runs for 24h, one at a time per caller, and cannot use webhooks. Use this first to see what the alerts look like before paying. Free — no payment required.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"above": {
"description": "price: alert when USD price crosses above this",
"type": "number"
},
"below": {
"description": "price: alert when USD price crosses below this",
"type": "number"
},
"body": {
"additionalProperties": {},
"type": "object"
},
"cik": {
"description": "edgar: SEC CIK, as an alternative to ticker",
"type": "number"
},
"coin": {
"description": "price: CoinGecko id, e.g. 'bitcoin'",
"type": "string"
},
"expected_amount_atomic": {
"type": [
"string",
"number"
]
},
"expected_network": {
"type": "string"
},
"expected_scheme": {
"type": "string"
},
"forms": {
"description": "edgar: form filter, e.g. [\"8-K\",\"4\"]",
"items": {
"type": "string"
},
"type": "array"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"move_pct_24h": {
"description": "price: alert when |24h change| exceeds this percent",
"type": "number"
},
"ticker": {
"description": "edgar: stock ticker, e.g. 'NVDA'",
"type": "string"
},
"type": {
"description": "watch type",
"enum": [
"url",
"rss",
"price",
"edgar",
"x402"
],
"type": "string"
},
"url": {
"description": "url|rss|x402: public URL to watch",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"name": "try_watch"
},
{
"description": "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 $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"above": {
"type": "number"
},
"below": {
"type": "number"
},
"coin": {
"description": "CoinGecko id, e.g. bitcoin",
"type": "string"
},
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"move_pct_24h": {
"type": "number"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"required": [
"coin"
],
"type": "object"
},
"name": "watch_crypto_price"
},
{
"description": "Monitor a company between agent runs for new Form 4 insider buys, sells, grants, and tax withholding. Includes 7 days of polling. Costs $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"cik": {
"type": "number"
},
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"ticker": {
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"type": "object"
},
"name": "watch_insider_trades"
},
{
"description": "Monitor an RSS or Atom feed between agent runs and alert once per new item. Includes 7 days of polling. Costs $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"url": {
"description": "public RSS or Atom feed URL",
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "watch_rss_feed"
},
{
"description": "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 $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"cik": {
"type": "number"
},
"forms": {
"items": {
"type": "string"
},
"type": "array"
},
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"ticker": {
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"type": "object"
},
"name": "watch_sec_filings"
},
{
"description": "Monitor a public web page between agent runs and alert with added and removed text when it changes. Includes 7 days of polling. Costs $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"url": {
"description": "public http(s) page URL",
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "watch_web_page"
},
{
"description": "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 $0.005 USDC per call via x402 (Base) — no API key, no account. Calling without payment returns 402 with the payment requirements. Free alternative: GET https://longwatch.dev/demo for a free NVDA Form 4 sample, or POST https://longwatch.dev/try for a 24h watch — no wallet needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": {},
"type": "object"
},
"expected_amount_atomic": {
"type": [
"string",
"number"
]
},
"expected_network": {
"type": "string"
},
"expected_scheme": {
"type": "string"
},
"idempotency_key": {
"description": "unique retry key; the same key and input return the original watch",
"type": "string"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"url": {
"type": "string"
},
"webhook": {
"additionalProperties": false,
"description": "optional HTTPS endpoint for signed push alerts; polling still works",
"properties": {
"url": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "watch_x402_endpoint"
}
]
}What the leaf hashes
{"body":"83b98d28310b6db9be034ff5259e1f5c14273112818dde0a3e74db9fcaf352d4","id":565222,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138070355808,"prev":null,"subject":"b5127e6f-0cd9-49c0-abe7-dbb4768d24b7","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xe7810e69e8c522ab0f09508f9e86020333b1d43ab94737917ab784761cbf123e
- 0x1e1eedff6a78d17544a89091e6d166f34c2449cd269b2b6a4fc5924f4e02b820
- 0xcbe4d66ab404b09cebd8aa89ac4390c216e34471784a92315b166c226ca17967
- 0xfd152d034adfca79f5054ad8f82a5af0677f53bb6cad626db5e2b144d3bbdd04
- 0xaac50d6d2686584d2e91c6324405d6a41190c5e9f0824ceb734abfd823fc4fb4
- 0xa8275a35fd389608a4eae11ee22bd385afc90b3e461545a16c1dfdff4eb49b51
- 0xb71e8e83bdce4e8412747ba3a9b664bdd5b6ce1fc77188449b4475aa96ce468a
- 0x030c2e5a155d6b341c0b6011fb956cd36b6d7a64b59cf599988aab0c5cdc0ae1
- 0x48607948b1a6f6648c0b2b4588c857ec3b1612f588aaf272f82a983e1dafddd2
- 0xae45a0b127be15a79b0a29d4da96c66c7de866604dc96ff1ebad427f8e281dce
- 0x71c8691e7266a630f55422792837d4ddf268c83444f68d63c646c42b70b5ded5
- 0x4f9b484326a98846a2342f967ce1e64ee9fa304288bb4355ab666475eb77b61c
- 0xab6eb305329046d5ccb835dd8ca955f794e3ca110379a94dbdc780d016448561
- 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
- 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4