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Zovo Venn MCP Server

by theluckystrike Your server? Claim it
answering

Zovo Venn is answering right now. Last checked 2 min ago. It exposes 2 tools.

Compares 2 or 3 lists and draws a Venn diagram, with a CSV table of the region of each item.

Uptime history 30 hours of history
30 hours agonow
100.0%
Uptime 24h
91 of 91 checks
2
Tools
read from the server
386 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Zovo Venn 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 venn-diagram --transport http https://venn-diagram.zovo.one/mcp
Settings → Connectors → Add custom connector, then paste this address
https://venn-diagram.zovo.one/mcp
~/.codex/config.toml
[mcp_servers.venn-diagram]
url = "https://venn-diagram.zovo.one/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "venn-diagram": {
      "url": "https://venn-diagram.zovo.one/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "venn-diagram": {
      "type": "http",
      "url": "https://venn-diagram.zovo.one/mcp"
    }
  }
}

Available tools 2

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

compare
compare_lists
Use this when the user wants to know which items 2 or 3 lists share and which are unique, without a diagram, for example "which names are on both lists" or "compare these three guest lists". Takes 2 or 3 named lists (up to 500 items each, 80 characters per item) and a case option. Returns each region (only A, only B, A and B, ...) with its count and items, the overlap percentage for each pair, and a CSV with each item's region. Does not read files, does not fuzzy-match spellings, and does not draw a diagram.
make
make_venn
Use this when the user wants a Venn diagram of 2 or 3 lists or groups, for example "Venn diagram of these two customer lists" or "draw the overlap of skills for 3 candidates". Takes 2 or 3 named sets of items (up to 500 per set, 80 characters per item) or only region counts, a layout (symmetric, or proportional for 2 sets) and a case option. Returns the count of each region, which items are drawn, a check that each drawn label sits inside its region, an interactive diagram, and SVG, PDF and CSV downloads. Does not read files or images, and does not draw 4 or more sets. Lists are not kept after the call; download files of large diagrams are stored for 1 hour.

Endpoints

URLTransportStateLatencyChecked
https://venn-diagram.zovo.one/mcp streamable-http answering 348 ms 2 min ago

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Zovo Venn — questions

Answers built from our own checks of this server.

What can Zovo Venn do?
It exposes 2 tools, read directly from the server on our last check. Among them: compare_lists, make_venn. 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 Zovo Venn working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 386 ms. The bar chart above shows every period we have measured.
How do I connect Zovo Venn?
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 Zovo Venn need an API key?
No. Zovo Venn completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Zovo Venn?
It answers our handshake in 386 ms on average, which is faster than 34% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.