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Kalshi MCP Server

local only

Kalshi runs on your own machine — the client starts it, so there is no endpoint to ping. 87 installs a week from pypi. Last commit 21 Feb 2026.

Search, analyze, and trade Kalshi prediction markets through Claude Desktop

Installs per day peak 33 · avg 12 · -12% w/w
a month agotoday
87
Installs / week
pypi · kalshi-mcp
1
Stars
0 open issues
21 Feb 2026
Last commit
from GitHub
MIT
License
Python

What the code does

We read the source, 2 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

        result = subprocess.run(

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 kalshi -e 'KALSHI_API_KEY=<KALSHI_API_KEY>' -e 'KALSHI_PRIVATE_KEY_PATH=<KALSHI_PRIVATE_KEY_PATH>' -- uvx kalshi-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "kalshi": {
      "command": "uvx",
      "args": [
        "kalshi-mcp"
      ],
      "env": {
        "KALSHI_API_KEY": "<KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<KALSHI_PRIVATE_KEY_PATH>"
      }
    }
  }
}
~/.codex/config.toml
[mcp_servers.kalshi]
command = "uvx"
args = ["kalshi-mcp"]
env = { KALSHI_API_KEY = "<KALSHI_API_KEY>", KALSHI_PRIVATE_KEY_PATH = "<KALSHI_PRIVATE_KEY_PATH>" }
.cursor/mcp.json
{
  "mcpServers": {
    "kalshi": {
      "command": "uvx",
      "args": [
        "kalshi-mcp"
      ],
      "env": {
        "KALSHI_API_KEY": "<KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<KALSHI_PRIVATE_KEY_PATH>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "kalshi": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kalshi-mcp"
      ],
      "env": {
        "KALSHI_API_KEY": "<KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<KALSHI_PRIVATE_KEY_PATH>"
      }
    }
  }
}

Put your own values in place of <KALSHI_API_KEY> (Your Kalshi API key ID), <KALSHI_PRIVATE_KEY_PATH> (Path to your Kalshi RSA private key file (.pem)). The author’s registry entry marks them as required.

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Kalshi — questions

Answers built from our own checks of this server.

Why is there no uptime for Kalshi?
Kalshi 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 pypi package kalshi-mcp was installed 87 times last week.
How do I connect Kalshi?
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 kalshi-mcp straight from pypi; nothing to host, nothing to sign up for.
How many people use Kalshi?
The pypi package kalshi-mcp was installed 87 times in the last week. Week over week that is -12%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Kalshi open source?
Yes — it is published under the MIT licence, written in Python and 1 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.