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FetchDelta MCP Server

by fetchdelta Your server? Claim it
answering

FetchDelta is answering right now. Last checked 4 min ago. It exposes 7 tools.

Web Markdown, diffs, pricing and daily watches. Paid x402 Base USDC tools; free previews.

Uptime history 15 days of history
15 days agonow
100.0%
Uptime 24h
92 of 92 checks
7
Tools
read from the server
215 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check FetchDelta every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

run in your terminal
claude mcp add agent-tools --transport http https://fetchdelta.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://fetchdelta.com/mcp
~/.codex/config.toml
[mcp_servers.agent-tools]
url = "https://fetchdelta.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "agent-tools": {
      "url": "https://fetchdelta.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "agent-tools": {
      "type": "http",
      "url": "https://fetchdelta.com/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

catalog
catalog
Free: list FetchDelta products, current prices and source limitations. No payment or stored session.
diff
diff
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.
page
page_watch_30d
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.
poll
poll_watch
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.
preview
preview_page
Free: preview readability of one public HTML page before purchasing. Truncated Markdown only; no JavaScript or login bypass.
pricing
pricing_snapshot
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.
resolve
resolve
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.

Endpoints

URLTransportStateLatencyChecked
https://fetchdelta.com/mcp streamable-http answering 223 ms 4 min ago

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FetchDelta — questions

Answers built from our own checks of this server.

What can FetchDelta do?
It exposes 7 tools, read directly from the server on our last check. Among them: catalog, diff, page_watch_30d, poll_watch, preview_page, pricing_snapshot and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is FetchDelta working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 215 ms. The bar chart above shows every period we have measured.
How do I connect FetchDelta?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does FetchDelta need an API key?
No. FetchDelta completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is FetchDelta?
It answers our handshake in 215 ms on average, which is faster than 65% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.