# Bullet

Bulletは、タスクを振り分け、リポジトリ内のファイルを検索し、独立したツール呼び出しを並列実行するコーディングエージェントです。macOS、Linux、WindowsのCLIで利用でき、開始時にキーは不要です。

- Findings24: <https://findings24.com/ja/tools/bullet>
- ウェブサイト: <https://www.codewithbullet.com>
- 料金: Freemium
- カテゴリー: AIコードアシスタント, AI開発者ツール

## Bulletとは？

Bullet is a command-line coding agent designed to shorten the cycle between a developer’s request and repository changes or results. It uses a routing layer to send straightforward work to fast models and escalate harder tasks when needed, while its search and file-reading workflow focuses on relevant repository context rather than embedding the entire codebase.

The agent follows a model-to-tools-to-results loop and can run independent operations simultaneously. Bullet is available through a CLI installation and is presented for macOS, Linux, and Windows; the site specifically documents Node 18+ for its macOS and Linux CLI instructions.

## Bulletでできること

### Task routing and escalation

Routes straightforward tasks to fast models and escalates more complex work when the task requires deeper reasoning.

### Targeted repository search

Searches for relevant code and reads selected files instead of processing the whole repository as context.

### Parallel tool execution

Runs independent search, read, and verification operations simultaneously rather than queuing them sequentially.

### Loop and duplicate-call interception

Detects duplicate calls and stuck loops before they consume additional execution time.

### Command-line workflow

Provides the same agent loop, router, and tools through a shell-based CLI rather than a separate graphical interface.

### Simple CLI installation

The documented installation command is \`npm install -g @trybullet/cli\`, followed by the \`bullet\` command.

## 利用シーン

### Fast repository navigation

Developers can use targeted search and file reads to locate relevant code in an unfamiliar or large codebase without loading the entire repository.

### Routine coding tasks

Straightforward development requests can be routed to faster models, helping keep smaller tasks within a tighter execution loop.

### Complex implementation work

Tasks that need more reasoning can be escalated instead of being handled through the same fast path as routine requests.

### Concurrent investigation

Workflows involving independent searches, reads, or verification steps can run those operations together to reduce unnecessary waiting.

### Shell-based development

Developers who prefer working in a terminal can install and use the agent from the command line without relying on a GUI.

## よくある質問

### What is Bullet?

Bullet is a coding agent that routes tasks, searches repository context, and executes tool operations to help developers work through coding requests.

### How is Bullet installed?

The site documents a global npm installation: \`npm install -g @trybullet/cli\`. After installation, the agent is started with the \`bullet\` command.

### Which operating systems does Bullet support?

The site lists macOS, Linux, and Windows. Its CLI section specifically labels macOS and Linux with a Node 18+ requirement.

### Does Bullet have a graphical interface?

The site describes the product as “CLI. NO GUI.” The documented workflow is therefore command-line based.

### Does Bullet require a key or subscription to begin?

The site says Bullet is free to use and that no key is required to start. The available source does not provide additional plan or usage-limit details.

## クイック情報

- **Category**: Developer Tool
- **Product type**: Coding agent
- **Primary interface**: Command-line interface
- **Platforms**: macOS, Linux, Windows
- **CLI prerequisite noted**: Node 18+ for the documented macOS and Linux setup
- **Starting access**: Free to use; no key required to start