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F4 Raise MCP Server

by f4 Your server? Claim it
answering

F4 Raise is answering right now. Last checked 2 min ago. It exposes 3 tools.

Ranks VC firms for a startup from a short description, with similar companies each firm backed.

Uptime history 57 hours of history
57 hours agonow
100.0%
Uptime 24h
92 of 92 checks
3
Tools
read from the server
475 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check F4 Raise 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 2 min ago.

run in your terminal
claude mcp add raise --transport http https://app.f4.fund/api/public/raise/mcp
Settings → Connectors → Add custom connector, then paste this address
https://app.f4.fund/api/public/raise/mcp
~/.codex/config.toml
[mcp_servers.raise]
url = "https://app.f4.fund/api/public/raise/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "raise": {
      "url": "https://app.f4.fund/api/public/raise/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "raise": {
      "type": "http",
      "url": "https://app.f4.fund/api/public/raise/mcp"
    }
  }
}

Available tools 3

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

email
email_report_link
Use this when a founder asks to have their F4 Raise report link emailed to them, giving their own address and the code from a find_vc_firms result. Emails the founder one message with a personal link that opens F4's free report form with the description already filled in. It needs the code at the end of the report link in a find_vc_firms result, and sends at most one email per code. F4 stores the email address with the search for 13 months and may email the founder about their raise. Every email includes a link to stop future emails. Each address has daily and weekly limits. The answer shows a masked address.
firm
get_vc_firm_details
Use this when the user asks about a specific VC firm by name, or about a firm in a find_vc_firms result. Returns the public profile of one VC firm: name, location, website, a short thesis, the stages it has invested at, check size, sectors, geographies and up to 10 recent public portfolio companies. The firm is a slug from a find_vc_firms result or a name. It returns no contact details and no team names, and it covers only firms that have a public F4 page.
firms
find_vc_firms
Use this when a founder asks which venture capital investors to pitch, wants an investor list for a fundraise, or asks which VC firms back a kind of startup. Not for fundraising mechanics such as SAFEs, valuation or dilution, or for investor contact details. Ranks up to 20 public VC firms for a startup from a plain-language description of 10 to 500 characters. Each firm comes with up to three public companies it backed that resemble the startup, and a link to its F4 page. The result also carries one link to a free, longer report on f4.fund built from the company's pitch deck, which ranks about 100 firms. The optional stage removes firms whose stated stages are all two or more steps away from it, so a firm one stage away can remain. The optional round size removes firms whose smallest cheque is more than twice the round. The optional location lists firms whose stated geography excludes it after the firms that invest there. These are applied only when given. The optional website is used for its domain, and its home page may be read. F4 stores the description, website domain, stage and round size to fill in the report form and count how the plugin is used. Each call saves a new search and prefilled report link. It sends no email and contacts no firm, and it returns no contact details.

Endpoints

URLTransportStateLatencyChecked
https://app.f4.fund/api/public/raise/mcp streamable-http answering 295 ms 2 min ago

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F4 Raise — questions

Answers built from our own checks of this server.

What can F4 Raise do?
It exposes 3 tools, read directly from the server on our last check. Among them: email_report_link, find_vc_firms, get_vc_firm_details. 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 F4 Raise 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 475 ms. The bar chart above shows every period we have measured.
How do I connect F4 Raise?
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 F4 Raise need an API key?
No. F4 Raise completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is F4 Raise?
It answers our handshake in 475 ms on average, which is faster than 24% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.