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Arxivsub MCP Server

local only

Arxivsub MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 52 installs a week from npm. Last commit 10 Jul 2026.

Search arXiv and major AI/ML/CV/NLP/robotics conference papers and their related work.

Installs per day peak 13 · avg 4 · +27% w/w
a month agotoday
52
Installs / week
npm · arxivsub-mcp
0
Stars
1 open issue
10 Jul 2026
Last commit
no releases in 90 days
MIT
License
JavaScript

Nothing serious here today

Today is the operative word: we check Arxivsub MCP 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

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add arxivsub-mcp -e 'ARXIVSUB_SKILL_KEY=<ARXIVSUB_SKILL_KEY>' -- npx -y arxivsub-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "arxivsub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "arxivsub-mcp"
      ],
      "env": {
        "ARXIVSUB_SKILL_KEY": "<ARXIVSUB_SKILL_KEY>"
      }
    }
  }
}
~/.codex/config.toml
[mcp_servers.arxivsub-mcp]
command = "npx"
args = ["-y", "arxivsub-mcp"]
env = { ARXIVSUB_SKILL_KEY = "<ARXIVSUB_SKILL_KEY>" }
.cursor/mcp.json
{
  "mcpServers": {
    "arxivsub-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "arxivsub-mcp"
      ],
      "env": {
        "ARXIVSUB_SKILL_KEY": "<ARXIVSUB_SKILL_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "arxivsub-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "arxivsub-mcp"
      ],
      "env": {
        "ARXIVSUB_SKILL_KEY": "<ARXIVSUB_SKILL_KEY>"
      }
    }
  }
}

Put your own value in place of <ARXIVSUB_SKILL_KEY> (Your arXivSub API key (free 7-day trial) from https://arxivsub.comfyai.app/skills). The author’s registry entry marks it as required.

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Arxivsub MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Arxivsub MCP?
Arxivsub MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package arxivsub-mcp was installed 52 times last week.
How do I connect Arxivsub MCP?
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 runs locally, so the command pulls arxivsub-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Arxivsub MCP?
The npm package arxivsub-mcp was installed 52 times in the last week. Week over week that is +27%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Arxivsub MCP open source?
Yes — it is published under the MIT licence, written in JavaScript, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.