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Does Terraform MCP work with Claude Desktop?

Yes. Terraform MCP passed every step of our test in Claude Desktop on Oct 19, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed
Date testedOct 19, 2026
Plan tested onNot recorded for this run
App versionClaude Desktop 2.37337.1 (Linux beta, Electron 44.7.0)
Server packagepackage version not recorded
Connect timeconnected in 0.0s

Steps

  1. install OK
  2. connect OK
  3. tools visible OK
  4. agent task: provider version OK

Test note: server wrapped in harness/scripts/mcp_tee.py to record JSON-RPC; prompts typed via xdotool; tool Allow pop-ups approved by the operator for test servers only; model = app default

From our own harness run, not the maker’s claims. How we test.

Versions tested

Claude Desktop 2.37337.1 (Linux beta, Electron 44.7.0) · package version not recorded · connected in 0.0s · tested Oct 19, 2026

Server package and resolved dependency versions: not recorded for these runs (our harness records them from Oct 19, 2026 on).

What happened in this run

Install config we used

{
 "command": "terraform-mcp-server",
 "args": [
  "stdio"
 ]
}

Connection check

initialize seen in tee log after app restart

Tools check

tools/list answered (tee log)

Agent task: provider version

  • 2 calls reached the server
  • Agent’s answer (excerpt): The latest version of the hashicorp/aws Terraform provider is 6.69.1.

Raw details from our harness log for this run. Secrets redacted.

Set it up in Claude Desktop

Copy-paste config for every app is on the Terraform MCP page. Not connecting? Claude Desktop MCP troubleshooting.

Other apps we tested it in: Claude Code (passed) · Cursor (passed) · ChatGPT (Codex) (passed).

All MCP servers tested in Claude Desktop

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