Kalshi Prediction Markets MCP Server

📦 PyPI · 🗂️ MCP Registry · 🐳 Container image · 🚀 Deploy guide. It runs locally over stdio via the published package.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-23 · ★ 3 · #59 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Kalshi Prediction Markets

before you install - you'll need

Set KALSHI_API_KEY_ID, KALSHI_PRIVATE_KEY_PATH, KALSHI_ENV, KALSHI_ALLOW_PROD before connecting. KALSHI_TRADING_ENABLED, MCP_ALLOW_COMBO_CREATION, MCP_MAX_COMBO_CREATIONS_PER_DAY are optional or environment-specific per the README.

Claude Code

claude mcp add cejor6-kalshi-mcp-server -- uvx kalshi-mcp-server

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cejor6-kalshi-mcp-server": {
      "command": "uvx",
      "args": [
        "kalshi-mcp-server"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · container (OCI image) - can be sandboxed away from your filesystem

license MIT - declared in the repository

pypi package kalshi-mcp-server - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.cejor6 is GitHub-verified and matches the repo owner

03 · What Kalshi Prediction Markets can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.1.12 · 2026-07-13

Adds a narrowly-scoped external-data fetch tool for research-agent consumers, plus MCP-conformance linting and dependency updates. · Highlights · new kalshi_fetch_external_data tool - a read-only, GET-only, https-only…

v0.1.11 · 2026-07-13

Candlestick validation - turn two silent Kalshi footguns into actionable errors. · Highlights · validate candlestick params before the HTTP call. period_interval is now a Literal[1, 60, 1440] enum in the tool schema…

v0.1.10 · 2026-07-13

Runtime-tunable safety limits - tighten the risk envelope without a redeploy. · Highlights · the four per-order caps (MCP_MAX_ORDER_SIZE_USD, MCP_DAILY_LIMIT_USD, MCP_MAX_CONTRACTS_PER_ORDER, MCP_CASH_RESERVE_USD) can…

04 · Who maintains Kalshi Prediction Markets

Kalshi Prediction Markets is maintained by cejor6. It's the only MCP server we track from this author; the repo dates to May 2026.

05 · Facts

repository: github.com/cejor6/kalshi-mcp-server
category: finance - ranked #59 of 283 actively-maintained finance servers as of 2026-08-25.
release cadence: 6 releases in the last 90 days (latest 2026-07-13)
registry: io.github.cejor6/kalshi-mcp-server (active, first published 2026-05-31)
packages: pypi:kalshi-mcp-server · oci:ghcr.io/cejor6/kalshi-mcp-server:0.1.8

06 · Kalshi Prediction Markets FAQ

What is Kalshi Prediction Markets?

📦 PyPI · 🗂️ MCP Registry · 🐳 Container image · 🚀 Deploy guide. It runs locally over stdio via the published package.

Is Kalshi Prediction Markets still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-23 and it shipped 6 releases in the last 90 days. We re-verify nightly.

How do I install Kalshi Prediction Markets?

Run `uvx kalshi-mcp-server`. The README documents 7 environment variables (KALSHI_API_KEY_ID, KALSHI_PRIVATE_KEY_PATH, KALSHI_ENV…) to set first. Set KALSHI_API_KEY_ID, KALSHI_PRIVATE_KEY_PATH, KALSHI_ENV, KALSHI_ALLOW_PROD before connecting. KALSHI_TRADING_ENABLED, MCP_ALLOW_COMBO_CREATION, MCP_MAX_COMBO_CREATIONS_PER_DAY are optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Kalshi Prediction Markets run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Kalshi Prediction Markets

Alternatives to Kalshi Prediction Markets

Maintained finance servers if Kalshi Prediction Markets isn't the fit.

Pairs well with

Servers that cover what Kalshi Prediction Markets doesn't - only shown when the pairing reason fits the companion.

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