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150 lines
4.5 KiB
Markdown
150 lines
4.5 KiB
Markdown
# 🦞 Claw Code — Rust Implementation
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A high-performance Rust rewrite of the Claw Code CLI agent harness. Built for speed, safety, and native tool execution.
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## Quick Start
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```bash
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# Build
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cd rust/
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cargo build --release
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# Run interactive REPL
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./target/release/claw
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# One-shot prompt
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./target/release/claw prompt "explain this codebase"
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# With specific model
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./target/release/claw --model sonnet prompt "fix the bug in main.rs"
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```
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## Configuration
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Set your API credentials:
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```bash
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export ANTHROPIC_API_KEY="sk-ant-..."
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# Or use a proxy
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export ANTHROPIC_BASE_URL="https://your-proxy.com"
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```
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Or authenticate via OAuth:
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```bash
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claw login
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```
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## Features
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| Feature | Status |
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|---------|--------|
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| Anthropic API + streaming | ✅ |
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| OAuth login/logout | ✅ |
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| Interactive REPL (rustyline) | ✅ |
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| Tool system (bash, read, write, edit, grep, glob) | ✅ |
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| Web tools (search, fetch) | ✅ |
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| Sub-agent orchestration | ✅ |
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| Todo tracking | ✅ |
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| Notebook editing | ✅ |
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| CLAUDE.md / project memory | ✅ |
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| Config file hierarchy (.claude.json) | ✅ |
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| Permission system | ✅ |
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| MCP server lifecycle | ✅ |
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| Session persistence + resume | ✅ |
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| Extended thinking (thinking blocks) | ✅ |
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| Cost tracking + usage display | ✅ |
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| Git integration | ✅ |
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| Markdown terminal rendering (ANSI) | ✅ |
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| Model aliases (opus/sonnet/haiku) | ✅ |
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| Slash commands (/status, /compact, /clear, etc.) | ✅ |
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| Hooks (PreToolUse/PostToolUse) | 🔧 Config only |
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| Plugin system | 📋 Planned |
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| Skills registry | 📋 Planned |
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## Model Aliases
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Short names resolve to the latest model versions:
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| Alias | Resolves To |
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|-------|------------|
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| `opus` | `claude-opus-4-6` |
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| `sonnet` | `claude-sonnet-4-6` |
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| `haiku` | `claude-haiku-4-5-20251213` |
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## CLI Flags
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```
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claw [OPTIONS] [COMMAND]
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Options:
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--model MODEL Set the model (alias or full name)
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--dangerously-skip-permissions Skip all permission checks
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--permission-mode MODE Set read-only, workspace-write, or danger-full-access
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--allowedTools TOOLS Restrict enabled tools
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--output-format FORMAT Output format (text or json)
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--version, -V Print version info
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Commands:
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prompt <text> One-shot prompt (non-interactive)
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login Authenticate via OAuth
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logout Clear stored credentials
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init Initialize project config
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doctor Check environment health
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self-update Update to latest version
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```
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## Slash Commands (REPL)
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| Command | Description |
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|---------|-------------|
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| `/help` | Show help |
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| `/status` | Show session status (model, tokens, cost) |
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| `/cost` | Show cost breakdown |
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| `/compact` | Compact conversation history |
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| `/clear` | Clear conversation |
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| `/model [name]` | Show or switch model |
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| `/permissions` | Show or switch permission mode |
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| `/config [section]` | Show config (env, hooks, model) |
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| `/memory` | Show CLAUDE.md contents |
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| `/diff` | Show git diff |
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| `/export [path]` | Export conversation |
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| `/session [id]` | Resume a previous session |
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| `/version` | Show version |
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## Workspace Layout
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```
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rust/
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├── Cargo.toml # Workspace root
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├── Cargo.lock
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└── crates/
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├── api/ # Anthropic API client + SSE streaming
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├── commands/ # Shared slash-command registry
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├── compat-harness/ # TS manifest extraction harness
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├── runtime/ # Session, config, permissions, MCP, prompts
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├── rusty-claude-cli/ # Main CLI binary (`claw`)
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└── tools/ # Built-in tool implementations
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```
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### Crate Responsibilities
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- **api** — HTTP client, SSE stream parser, request/response types, auth (API key + OAuth bearer)
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- **commands** — Slash command definitions and help text generation
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- **compat-harness** — Extracts tool/prompt manifests from upstream TS source
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- **runtime** — `ConversationRuntime` agentic loop, `ConfigLoader` hierarchy, `Session` persistence, permission policy, MCP client, system prompt assembly, usage tracking
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- **rusty-claude-cli** — REPL, one-shot prompt, streaming display, tool call rendering, CLI argument parsing
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- **tools** — Tool specs + execution: Bash, ReadFile, WriteFile, EditFile, GlobSearch, GrepSearch, WebSearch, WebFetch, Agent, TodoWrite, NotebookEdit, Skill, ToolSearch, REPL runtimes
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## Stats
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- **~20K lines** of Rust
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- **6 crates** in workspace
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- **Binary name:** `claw`
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- **Default model:** `claude-opus-4-6`
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- **Default permissions:** `danger-full-access`
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## License
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See repository root.
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