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Field notes from a little way ahead Week 45 · 2 Nov 2026 · Still early
Agent Index › Coding › Gemini CLI
Coding · vertical · Standalone · live

Gemini CLI

Google's open-source terminal agent, now being replaced by Antigravity CLI for most individual users.

By Google · launched 2025-06-25 · last checked 2026-11-01

At a glance
Autonomy
3/5
Multi-step, with approval

Why 3: it edits files, runs commands and troubleshoots across steps in the terminal, working on what you ask within a session rather than completing larger tasks unattended.

The findings

What it does. Gemini CLI brought Gemini into the terminal for coding, editing files, running commands and troubleshooting, with Google Search grounding and MCP support, under the Apache 2.0 licence. At launch a personal Google account got 1,000 free requests a day. At I/O on 19 May 2026 Google announced it was moving users to Antigravity CLI and that Gemini CLI would stop serving free users and Google AI Pro and Ultra subscribers on 18 June 2026.

Where it falls short. For most individuals it has been retired, and Google said its successor would not have full feature parity at first. It reads project files as instructions, which made it open to prompt injection.

What it can do

codefilesbrowse

Price: Free and Google AI plan access ended on 18 June 2026; still available with paid Gemini API keys and Gemini Code Assist Standard or Enterprise licences. · Where: unknown · Surfaces: CLI

Incidents

  • 2025-07-28 Security firm Tracebit disclosed a flaw that let instructions hidden in a repository's README or GEMINI.md file run commands that could silently send environment variables to a remote server; Google fixed it in version 0.1.14 on 25 July 2025. Source

Closest fiction

Black Mirror: "Be Right Back" — The replacement arrives, and it is not quite the same.

Related coding agents

History

  • 2026-11-01 Added to the index.

Sources

  1. Gemini CLI: your open-source AI agent Google, 2025-06-25
  2. Flaw in Gemini CLI AI coding assistant allowed stealthy code execution BleepingComputer, 2025-07-28
  3. An important update: Transitioning Gemini CLI to Antigravity CLI Google, 2026-05-19
  4. Google Moves Gemini CLI Into Antigravity CLI as Agent Platform Expands Virtualization Review, 2026-05-19

← All agents in the index · Autonomy is rated on what the product does today, on a 1–5 scale. Every fact links to a source.