Open Takeoff MCP Server

The measurement engine for building plans - built so an AI agent can drive it, and so an estimator wants to. It runs locally over stdio via the published package.

People who work with aec, construction and estimating and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-17 · ★ 129 · #15 OF 255 MAINTAINED BROWSER AUTOMATION · VERIFIED 2026-09-18

Apache-2.0 · TypeScript servers · how we verify → /methodology

01 · Install Open Takeoff

Claude Code

claude mcp add kentucky-ai-opentakeoff -- npx -y opentakeoff-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "kentucky-ai-opentakeoff": {
      "command": "npx",
      "args": [
        "-y",
        "opentakeoff-mcp"
      ]
    }
  }
}

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

license Apache-2.0 - declared in the repository

npm package opentakeoff-mcp - unscoped; check the name against the project README before installing

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

03 · What Open Takeoff can do

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

Latest releases

mcp-v0.9.87 · 2026-09-13

notes are ink on the sheet; drafting conventions on the toolbar · arcs over MCP - arc_through on the three measure tools (0.9.87)

mcp-v0.9.86 · 2026-09-12

one writer for the takeoff document (0.9.86)

mcp-v0.9.85 · 2026-09-12

Record the Phase 3 completion gate in the roadmap · Refresh the README for the Phase 3 work · Publish a second agent's blind runs on the public plans beside the first · Phase 4 dependency map and first extraction…

04 · Who maintains Open Takeoff

OpenTakeoff is maintained by kentucky-ai. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/kentucky-ai/opentakeoff
website: https://opentakeoff.kentucky-ai.com/
category: browser automation - ranked #15 of 255 actively-maintained browser automation servers as of 2026-09-18.
release cadence: 10+ releases in the last 90 days (latest 2026-09-13)
registry: io.github.Kentucky-ai/opentakeoff (active, first published 2026-07-17 · 62 versions)
packages: npm:opentakeoff-mcp

06 · Open Takeoff FAQ

What is Open Takeoff?

The measurement engine for building plans - built so an AI agent can drive it, and so an estimator wants to. It runs locally over stdio via the published package.

Is Open Takeoff still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-17 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Open Takeoff?

Run `npx -y opentakeoff-mcp`. You can also paste the ready-made client config above.

Does Open Takeoff run locally?

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

07 · Alternatives to Open Takeoff

Alternatives to Open Takeoff

Maintained browser automation servers if Open Takeoff isn't the fit.

Pairs well with

Servers that cover what Open Takeoff doesn't - only shown when the pairing reason fits the companion.

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