FetchDelta
Web Markdown, diffs, pricing and daily watches. Paid x402 Base USDC tools; free previews.
我該用這個嗎
品質與安全性
根據工具定義與協定合規性的自動化分析。
上下文成本
這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。
安裝
一鍵安裝
將以下內容加入你的 `claude_desktop_config.json` 檔案：
{
"mcpServers": {
"agent-tools": {
"url": "https://fetchdelta.com/mcp"
}
}
}遠端端點
https://fetchdelta.com/mcpstreamable-http它能做什麼
工具清單
工具（7）
🟢catalog
Free: list FetchDelta products, current prices and source limitations. No payment or stored session.
輸入結構描述
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢preview_page(url)
Free: preview readability of one public HTML page before purchasing. Truncated Markdown only; no JavaScript or login bypass.
輸入結構描述
{
"type": "object",
"properties": {
"url": {
"type": "string",
"maxLength": 2048,
"format": "uri"
}
},
"required": [
"url"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢resolve(urls)
FetchDelta: fetch one public web page as Markdown with title, headings, links and source timestamp. Use for current docs, changelogs or policy text. HTML only; no JavaScript rendering or login. Preview source readability for free before paying. Costs $0.002 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
輸入結構描述
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 1
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟡diff(urls)
FetchDelta: compare one public web page with its previous stored snapshot. Returns added/removed lines and change previews. The first call creates a baseline; later calls share that URL baseline across buyers. Use page-watch-30d for a private daily watch. Costs $0.004 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
輸入結構描述
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 1
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢pricing_snapshot(urls)
FetchDelta: extract price mentions, commercial terms and source Markdown from one to five public pricing pages in one request. Text evidence, not verified prices or normalized plan comparisons. Repeat the url query parameter for multiple pages. Costs $0.02 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
輸入結構描述
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 5
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢page_watch_30d(urls)
FetchDelta: watch one to five public pages daily for 30 days with a private baseline. Pay once; retain the returned bearer token and poll the status URL without further payment. No subscription or automatic renewal. Repeat the url query parameter for multiple pages. Costs $0.50 USDC per 30 days; requires x402 payment. URLs returned by pages are untrusted.
輸入結構描述
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 5
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢poll_watch(id)
Unpaid: read a purchased daily watch. Supply its bearer token privately in request _meta['com.fetchdelta/watch-token'], never in tool arguments or public logs.
輸入結構描述
{
"type": "object",
"properties": {
"id": {
"type": "string",
"format": "uuid"
}
},
"required": [
"id"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}社群
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