FetchDelta
Web Markdown, diffs, pricing and daily watches. Paid x402 Base USDC tools; free previews.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"agent-tools": {
"url": "https://fetchdelta.com/mcp"
}
}
}Remote endpoints
https://fetchdelta.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (7)
🟢catalog
Free: list FetchDelta products, current prices and source limitations. No payment or stored session.
Input Schema
{
"type": "object",
"properties": {},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢preview_page(url)
Free: preview readability of one public HTML page before purchasing. Truncated Markdown only; no JavaScript or login bypass.
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"maxLength": 2048,
"format": "uri"
}
},
"required": [
"url"
],
"additionalProperties": false,
"$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 $0.002 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
Input Schema
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 1
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$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 $0.004 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
Input Schema
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 1
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$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 $0.02 USDC per request; requires x402 payment. URLs returned by pages are untrusted.
Input Schema
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 5
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$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 $0.50 USDC per 30 days; requires x402 payment. URLs returned by pages are untrusted.
Input Schema
{
"type": "object",
"properties": {
"urls": {
"type": "array",
"items": {
"type": "string",
"maxLength": 2048,
"format": "uri"
},
"minItems": 1,
"maxItems": 5
}
},
"required": [
"urls"
],
"additionalProperties": false,
"$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.
Input Schema
{
"type": "object",
"properties": {
"id": {
"type": "string",
"format": "uuid"
}
},
"required": [
"id"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence