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fix(agent-core): cap foreground shell output to prevent OOM crash (#1285)
* fix(agent-core): cap foreground shell output to prevent OOM crash

A foreground command that streams a very large or unbounded amount of output (e.g. `b3sum --length 18446744073709551615`) grew the live-output buffer until Node aborted with a JavaScript heap out-of-memory error (exit 134). The per-command output is now capped at 16 MiB: on breach the command is gracefully terminated (SIGTERM -> grace -> SIGKILL) and the result carries a message pointing at redirecting large output to a file. The per-task output ring buffer is also made O(1) per chunk (was O(n^2)), which previously starved the event loop and the foreground timeout. Background/detached tasks are exempt.

* fix(agent-core): stop buffering output after the foreground cap trips

After the 16 MiB foreground ceiling tripped, appendOutput still enqueued every subsequent chunk into the per-task disk write chain during the SIGTERM grace window. A producer that ignores SIGTERM could keep that chain — and the chunk strings each pending write retains — growing until SIGKILL, re-introducing the same out-of-memory risk the cap prevents. Once the cap has tripped, keep only the bounded in-memory ring buffer and stop feeding the disk write chain. Interrupt/timeout capture behaviour is unchanged (they do not set outputLimitTripped).
2026-07-02 13:42:39 +08:00
.agents/skills feat(kimi-code): vendor @moonshot-ai/pi-tui (#1254) 2026-07-01 20:23:35 +08:00
.changeset fix(agent-core): cap foreground shell output to prevent OOM crash (#1285) 2026-07-02 13:42:39 +08:00
.github ci(kimi-desktop): strip Developer ID prefix from CSC_NAME (#1235) 2026-06-30 22:19:35 +08:00
apps fix(web): prevent horizontal scrollbar in session search dialog (#1290) 2026-07-02 12:24:46 +08:00
build chore: use raw query imports for prompt sources (#682) 2026-06-12 11:47:44 +08:00
docs docs(changelog): sync 0.22.0 from apps/kimi-code/CHANGELOG.md (#1288) 2026-07-02 11:34:17 +08:00
packages fix(agent-core): cap foreground shell output to prevent OOM crash (#1285) 2026-07-02 13:42:39 +08:00
plan feat(vis): support importing debug zips via drag and drop (#1251) 2026-07-01 12:02:08 +08:00
plugins feat(plugins): source Superpowers from GitHub and show update badges (#1066) 2026-06-24 21:58:13 +08:00
scripts feat(web): introduce Kimi web app and daemon gateway (#625) 2026-06-17 20:53:46 +08:00
.editorconfig Kimi For Coding 2026-05-22 15:54:50 +08:00
.gitattributes ci: run unit tests on windows (#1037) 2026-06-26 11:56:41 +08:00
.gitignore feat(feedback): support attaching logs and codebase (#1120) 2026-06-26 16:15:08 +08:00
.npmrc Kimi For Coding 2026-05-22 15:54:50 +08:00
.nvmrc Kimi For Coding 2026-05-22 15:54:50 +08:00
.oxfmtrc.json Kimi For Coding 2026-05-22 15:54:50 +08:00
.oxlintrc.json feat(kimi-code): vendor @moonshot-ai/pi-tui (#1254) 2026-07-01 20:23:35 +08:00
AGENTS.md feat(web): introduce Kimi web app and daemon gateway (#625) 2026-06-17 20:53:46 +08:00
composer-toolbar-designs.html feat(web): redesign web UI and add design system (#1258) 2026-07-01 20:47:12 +08:00
CONTRIBUTING.md docs: enhance PR guidelines and template (#28) 2026-05-25 20:04:23 +08:00
flake.lock Kimi For Coding 2026-05-22 15:54:50 +08:00
flake.nix feat(kimi-code): vendor @moonshot-ai/pi-tui (#1254) 2026-07-01 20:23:35 +08:00
HANDOVER-kimi-web-table-width.md feat(web): redesign web UI and add design system (#1258) 2026-07-01 20:47:12 +08:00
LICENSE Kimi For Coding 2026-05-22 15:54:50 +08:00
Makefile Kimi For Coding 2026-05-22 15:54:50 +08:00
package.json chore: add KCD client for test (#1230) 2026-06-30 21:46:51 +08:00
pnpm-lock.yaml feat(web): redesign web UI and add design system (#1258) 2026-07-01 20:47:12 +08:00
pnpm-workspace.yaml chore: add KCD client for test (#1230) 2026-06-30 21:46:51 +08:00
README.md docs: add Homebrew installation (#531) 2026-06-08 16:11:31 +08:00
README.zh-CN.md docs: add Homebrew installation (#531) 2026-06-08 16:11:31 +08:00
SECURITY.md Kimi For Coding 2026-05-22 15:54:50 +08:00
tsconfig.json feat(kimi-code): vendor @moonshot-ai/pi-tui (#1254) 2026-07-01 20:23:35 +08:00
vitest.config.ts Kimi For Coding 2026-05-22 15:54:50 +08:00

Kimi Code CLI

License Docs
Documentation · Issues · 中文

Demo of using Kimi Code

What is Kimi Code CLI

Kimi Code CLI is an AI coding agent that runs in your terminal — it can read and edit code, run shell commands, search files, fetch web pages, and choose the next step based on the feedback it receives. It works out of the box with Moonshot AIs Kimi models and can also be configured to use other compatible providers.

Install

Install with the official script. No Node.js required.

  • macOS or Linux:
curl -fsSL https://code.kimi.com/kimi-code/install.sh | bash
  • Homebrew (macOS/Linux):
brew install kimi-code
  • Windows (PowerShell):
irm https://code.kimi.com/kimi-code/install.ps1 | iex

On Windows, install Git for Windows before first launch because Kimi Code CLI uses the bundled Git Bash as its shell environment. If Git Bash is installed in a custom location, set KIMI_SHELL_PATH to the absolute path of bash.exe.

Then, run it with a new shell session:

kimi --version

For npm install, upgrade, uninstall, see Getting Started.

Quick Start

Open a project and start the interactive UI:

cd your-project
kimi

On first launch, run /login inside Kimi Code CLI and choose either Kimi Code OAuth or a Moonshot AI Open Platform API key. After login, try your first task:

Take a look at this project and explain its main directories.

Key Features

  • Single-binary distribution. Install with one command: no Node.js setup, PATH gymnastics, or global module conflicts.
  • Blazing-fast startup. The TUI is ready in milliseconds, so starting a session never feels heavy.
  • Purpose-built TUI. A carefully tuned interface, optimized end to end for long, focused agent sessions.
  • Video input. Drop a screen recording or demo clip into the chat and let the agent watch what is hard to describe in words — turn a reference clip into a LUT, a long video into a short, a screen recording into working code, and more.
  • AI-native MCP configuration. Add, edit, and authenticate Model Context Protocol servers conversationally with /mcp-config, without hand-editing JSON.
  • Rich plugin ecosystem. Install skills, MCP servers, and data sources from the marketplace or any GitHub repo, with each install's trust level surfaced up front.
  • Subagents for focused, parallel work. Dispatch built-in coder, explore, and plan subagents in isolated contexts while keeping the main conversation clean.
  • Lifecycle hooks. Run local commands at key points to gate risky tool calls, audit decisions, trigger desktop notifications, or connect to your own automation.
  • Editor & IDE integration (ACP). Drive a Kimi Code CLI session straight from Zed, JetBrains, or any Agent Client Protocol client with kimi acp.

Use it in your editor (ACP)

Kimi Code CLI speaks the Agent Client Protocol, so ACP-compatible editors and IDEs (Zed, JetBrains, …) can drive a session over stdio. Log in once, then point your editor at the kimi acp subcommand — no extra login needed.

For Zed, add this to ~/.config/zed/settings.json:

{
  "agent_servers": {
    "Kimi Code CLI": {
      "type": "custom",
      "command": "kimi",
      "args": ["acp"],
      "env": {}
    }
  }
}

Then open a new conversation in Zed's Agent panel. See Using in IDEs for JetBrains setup and troubleshooting, and the kimi acp reference for the full capability matrix.

Docs

Develop

Requirements: Node.js ≥ 24.15.0, pnpm 10.33.0.

git clone https://github.com/MoonshotAI/kimi-code.git
cd kimi-code
pnpm install
pnpm dev:cli    # run the CLI in dev mode
pnpm test       # run tests
pnpm typecheck  # TypeScript check
pnpm lint       # oxlint
pnpm build      # build all packages

See CONTRIBUTING.md for the full contribution guide.

Community

Acknowledgements

Our TUI is built on top of pi-tui. We thank the authors of pi-tui for their valuable work.

License

Released under the MIT License.