| # free-code |
|
|
| **The free build of Claude Code.** |
|
|
| All telemetry stripped. All injected security-prompt guardrails removed. All experimental features unlocked. One binary, zero callbacks home. |
|
|
| ```bash |
| curl -fsSL https://raw.githubusercontent.com/paoloanzn/free-code/main/install.sh | bash |
| ``` |
|
|
| > Checks your system, installs Bun if needed, clones, builds with all features enabled, and puts `free-code` on your PATH. Then just `export ANTHROPIC_API_KEY="sk-ant-..."` and run `free-code`. |
|
|
| <p align="center"> |
| <img src="assets/screenshot.png" alt="free-code screenshot" width="800" /> |
| </p> |
|
|
| --- |
|
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|
|
|
|
| ## Local model |
|
|
| ```bash |
| nvim ~/.bashrc |
| |
| |
| export ANTHROPIC_BASE_URL="http://localhost:11434/v1" |
| export ANTHROPIC_API_KEY="ollama" |
| export ANTHROPIC_MODEL="qwen2.5-coder:7b" |
| |
| |
| export ANTHROPIC_BETALOG_MAX_TOKENS=98304 |
| |
| claude() { |
| ANTHROPIC_BASE_URL="http://127.0.0.1:8001" \ |
| ANTHROPIC_API_KEY="dummy" \ |
| CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1 \ |
| cli-dev --bare --model "Qwen3.5-9B.Q4_K_M.gguf" |
| } |
| ``` |
|
|
|
|
| ## What is this |
|
|
| This is a clean, buildable fork of Anthropic's [Claude Code](https://docs.anthropic.com/en/docs/claude-code) CLI -- the terminal-native AI coding agent. The upstream source became publicly available on March 31, 2026 through a source map exposure in the npm distribution. |
|
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| This fork applies three categories of changes on top of that snapshot: |
|
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| ### 1. Telemetry removed |
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| The upstream binary phones home through OpenTelemetry/gRPC, GrowthBook analytics, Sentry error reporting, and custom event logging. In this build: |
|
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| - All outbound telemetry endpoints are dead-code-eliminated or stubbed |
| - GrowthBook feature flag evaluation still works locally (needed for runtime feature gates) but does not report back |
| - No crash reports, no usage analytics, no session fingerprinting |
|
|
| ### 2. Security-prompt guardrails removed |
|
|
| Anthropic injects system-level instructions into every conversation that constrain Claude's behavior beyond what the model itself enforces. These include: |
|
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| - Hardcoded refusal patterns for certain categories of prompts |
| - Injected "cyber risk" instruction blocks |
| - Managed-settings security overlays pushed from Anthropic's servers |
|
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| This build strips those injections. The model's own safety training still applies -- this just removes the extra layer of prompt-level restrictions that the CLI wraps around it. |
|
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| ### 3. Experimental features enabled |
|
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| Claude Code ships with dozens of feature flags gated behind `bun:bundle` compile-time switches. Most are disabled in the public npm release. This build unlocks all 45+ flags that compile cleanly, including: |
|
|
| | Feature | What it does | |
| |---|---| |
| | `ULTRAPLAN` | Remote multi-agent planning on Claude Code web (Opus-class) | |
| | `ULTRATHINK` | Deep thinking mode -- type "ultrathink" to boost reasoning effort | |
| | `VOICE_MODE` | Push-to-talk voice input and dictation | |
| | `AGENT_TRIGGERS` | Local cron/trigger tools for background automation | |
| | `BRIDGE_MODE` | IDE remote-control bridge (VS Code, JetBrains) | |
| | `TOKEN_BUDGET` | Token budget tracking and usage warnings | |
| | `BUILTIN_EXPLORE_PLAN_AGENTS` | Built-in explore/plan agent presets | |
| | `VERIFICATION_AGENT` | Verification agent for task validation | |
| | `BASH_CLASSIFIER` | Classifier-assisted bash permission decisions | |
| | `EXTRACT_MEMORIES` | Post-query automatic memory extraction | |
| | `HISTORY_PICKER` | Interactive prompt history picker | |
| | `MESSAGE_ACTIONS` | Message action entrypoints in the UI | |
| | `QUICK_SEARCH` | Prompt quick-search | |
| | `SHOT_STATS` | Shot-distribution stats | |
| | `COMPACTION_REMINDERS` | Smart reminders around context compaction | |
| | `CACHED_MICROCOMPACT` | Cached microcompact state through query flows | |
|
|
| See [FEATURES.md](FEATURES.md) for the full audit of all 88 flags and their status. |
|
|
| --- |
|
|
| ## Quick install |
|
|
| ```bash |
| curl -fsSL https://raw.githubusercontent.com/paoloanzn/free-code/main/install.sh | bash |
| ``` |
|
|
| This will check your system, install Bun if needed, clone the repo, build the binary with all experimental features enabled, and symlink it as `free-code` on your PATH. |
|
|
| After install, just run: |
| ```bash |
| export ANTHROPIC_API_KEY="sk-ant-..." |
| free-code |
| ``` |
|
|
| --- |
|
|
| ## Requirements |
|
|
| - [Bun](https://bun.sh) >= 1.3.11 |
| - macOS or Linux (Windows via WSL) |
| - An Anthropic API key (set `ANTHROPIC_API_KEY` in your environment) |
|
|
| ```bash |
| # Install Bun if you don't have it |
| curl -fsSL https://bun.sh/install | bash |
| ``` |
|
|
| --- |
|
|
| ## Build |
|
|
| ```bash |
| # Clone the repo |
| git clone https://github.com/paoloanzn/claude-code.git |
| cd claude-code |
| |
| # Install dependencies |
| bun install |
| |
| # Standard build -- produces ./cli |
| bun run build |
| |
| # Dev build -- dev version stamp, experimental GrowthBook key |
| bun run build:dev |
| |
| # Dev build with ALL experimental features enabled -- produces ./cli-dev |
| bun run build:dev:full |
| |
| # Compiled build (alternative output path) -- produces ./dist/cli |
| bun run compile |
| ``` |
|
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| ### Build variants |
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|
| | Command | Output | Features | Notes | |
| |---|---|---|---| |
| | `bun run build` | `./cli` | `VOICE_MODE` only | Production-like binary | |
| | `bun run build:dev` | `./cli-dev` | `VOICE_MODE` only | Dev version stamp | |
| | `bun run build:dev:full` | `./cli-dev` | All 45+ experimental flags | The full unlock build | |
| | `bun run compile` | `./dist/cli` | `VOICE_MODE` only | Alternative output directory | |
|
|
| ### Individual feature flags |
|
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| You can enable specific flags without the full bundle: |
|
|
| ```bash |
| # Enable just ultraplan and ultrathink |
| bun run ./scripts/build.ts --feature=ULTRAPLAN --feature=ULTRATHINK |
| |
| # Enable a specific flag on top of the dev build |
| bun run ./scripts/build.ts --dev --feature=BRIDGE_MODE |
| ``` |
|
|
| --- |
|
|
| ## Run |
|
|
| ```bash |
| # Run the built binary directly |
| ./cli |
| |
| # Or the dev binary |
| ./cli-dev |
| |
| # Or run from source without compiling (slower startup) |
| bun run dev |
| |
| # Set your API key |
| export ANTHROPIC_API_KEY="sk-ant-..." |
| |
| # Or use Claude.ai OAuth |
| ./cli /login |
| ``` |
|
|
| ### Quick test |
|
|
| ```bash |
| # One-shot mode |
| ./cli -p "what files are in this directory?" |
| |
| # Interactive REPL (default) |
| ./cli |
| |
| # With specific model |
| ./cli --model claude-sonnet-4-6-20250514 |
| ``` |
|
|
| --- |
|
|
| ## Project structure |
|
|
| ``` |
| scripts/ |
| build.ts # Build script with feature flag system |
| |
| src/ |
| entrypoints/cli.tsx # CLI entrypoint |
| commands.ts # Command registry (slash commands) |
| tools.ts # Tool registry (agent tools) |
| QueryEngine.ts # LLM query engine |
| screens/REPL.tsx # Main interactive UI |
| |
| commands/ # /slash command implementations |
| tools/ # Agent tool implementations (Bash, Read, Edit, etc.) |
| components/ # Ink/React terminal UI components |
| hooks/ # React hooks |
| services/ # API client, MCP, OAuth, analytics |
| state/ # App state store |
| utils/ # Utilities |
| skills/ # Skill system |
| plugins/ # Plugin system |
| bridge/ # IDE bridge |
| voice/ # Voice input |
| tasks/ # Background task management |
| ``` |
|
|
| --- |
|
|
| ## Tech stack |
|
|
| | | | |
| |---|---| |
| | Runtime | [Bun](https://bun.sh) | |
| | Language | TypeScript | |
| | Terminal UI | React + [Ink](https://github.com/vadimdemedes/ink) | |
| | CLI parsing | [Commander.js](https://github.com/tj/commander.js) | |
| | Schema validation | Zod v4 | |
| | Code search | ripgrep (bundled) | |
| | Protocols | MCP, LSP | |
| | API | Anthropic Messages API | |
|
|
| --- |
|
|
| ## IPFS Mirror |
|
|
| A full copy of this repository is permanently pinned on IPFS via Filecoin: |
|
|
| - **CID:** `bafybeiegvef3dt24n2znnnmzcud2vxat7y7rl5ikz7y7yoglxappim54bm` |
| - **Gateway:** https://w3s.link/ipfs/bafybeiegvef3dt24n2znnnmzcud2vxat7y7rl5ikz7y7yoglxappim54bm |
|
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| If this repo gets taken down, the code lives on. |
|
|
| --- |
|
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| ## License |
|
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| The original Claude Code source is the property of Anthropic. This fork exists because the source was publicly exposed through their npm distribution. Use at your own discretion. |
|
|