302 lines
7.6 KiB
Markdown
302 lines
7.6 KiB
Markdown
# nanocode
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Minimal Claude Code alternative using DSPy RLM! Single Python file, ~305 lines.
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Built using Claude Code, then used to build itself.
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## Features
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- Full agentic loop with tool use via [DSPy RLM](https://dspy.ai/)
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- Tools: `read`, `write`, `edit`, `glob`, `grep`, `bash`
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- Conversation history with context
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- Colored terminal output
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- **Modaic Integration**: Push, version, and share as a [Modaic](https://modaic.dev) autoprogram
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---
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## Prerequisites
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Before using nanocode (or any DSPy RLM-based program), you need to install the Deno code interpreter:
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```bash
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brew install deno
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```
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This is required for the RLM's code execution capabilities.
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---
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## Quick Start
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### Option 1: Use as a Modaic AutoProgram
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Load and run nanocode directly from the Modaic Hub without cloning:
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```python
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from modaic import AutoProgram
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# Load the precompiled nanocode agent from Modaic Hub
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agent = AutoProgram.from_precompiled(
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"farouk1/nanocode",
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config={
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"lm": "openrouter/openai/gpt-5.2-codex",
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"max_iters": 50
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}
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)
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# Run a coding task
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result = agent(task="What Python files are in this directory?")
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print(result.answer)
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```
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### Option 2: Run Locally (Interactive CLI)
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```bash
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export OPENROUTER_API_KEY="your-key"
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python nanocode.py
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```
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To use a specific model:
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```bash
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export OPENROUTER_API_KEY="your-key"
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export MODEL="openai/gpt-4"
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python nanocode.py
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```
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---
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## Configuration
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When using as a Modaic AutoProgram, you can configure these options:
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| Parameter | Type | Default | Description |
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|-----------|------|---------|-------------|
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| `lm` | str | `openrouter/openai/gpt-5.2-codex` | Primary language model |
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| `sub_lm` | str | `openrouter/openai/gpt-5-mini` | Sub-LM for reasoning steps |
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| `max_iters` | int | `50` | Maximum agent iterations |
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| `api_base` | str | `https://openrouter.ai/api/v1` | API base URL |
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| `max_tokens` | int | `50000` | Maximum tokens per request |
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| `max_output_chars` | int | `100000` | Maximum output character limit |
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| `verbose` | bool | `False` | Enable verbose logging |
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| `track_usage` | bool | `True` | Track token usage |
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Example with custom configuration:
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```python
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from modaic import AutoProgram
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agent = AutoProgram.from_precompiled(
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"farouk1/nanocode",
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config={
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"lm": "openrouter/anthropic/claude-sonnet-4",
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"sub_lm": "openrouter/openai/gpt-4.1-mini",
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"max_iters": 30,
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"max_tokens": 8000,
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"verbose": True,
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"track_usage": False
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}
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)
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```
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---
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## CLI Commands
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| Command | Description |
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|---------|-------------|
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| `/c` | Clear conversation history |
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| `/q` or `exit` | Quit the application |
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---
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## Tools
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The agent has access to the following tools:
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| Tool | Description |
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|------|-------------|
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| `read_file(path, offset, limit)` | Read file contents with line numbers |
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| `write_file(path, content)` | Write content to a file |
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| `edit_file(path, old, new, replace_all)` | Replace text in a file (old must be unique unless `replace_all=True`) |
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| `glob_files(pattern, path)` | Find files matching a glob pattern, sorted by modification time |
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| `grep_files(pattern, path)` | Search files for a regex pattern |
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| `run_bash(cmd)` | Run a shell command and return output |
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---
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## Example Usage
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### Interactive CLI
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```
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────────────────────────────────────────
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❯ what files are here?
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────────────────────────────────────────
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⏺ Thinking...
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⏺ globfiles(pattern='**/*', path='.')
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⏺ I found the following files:
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- nanocode.py
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- README.md
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- modaic/SKILL.md
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```
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### Programmatic Usage
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```python
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from modaic import AutoProgram
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agent = AutoProgram.from_precompiled("farouk1/nanocode")
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# Read a file
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result = agent(task="Read the first 10 lines of nanocode.py")
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print(result.answer)
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# Search for patterns
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result = agent(task="Find all functions that contain 'file' in their name")
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print(result.answer)
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# Make edits
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result = agent(task="Add a comment at the top of README.md")
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print(result.answer)
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```
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---
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## Architecture
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### Overview
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```
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nanocode.py
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├── File Operations
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│ ├── read_file() - Read with line numbers
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│ ├── write_file() - Write content
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│ └── edit_file() - Find & replace
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├── Search Operations
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│ ├── glob_files() - Pattern matching
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│ └── grep_files() - Regex search
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├── Shell Operations
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│ └── run_bash() - Execute commands
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├── DSPy Components
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│ ├── CodingAssistant (Signature)
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│ ├── RLMCodingProgram (PrecompiledProgram)
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│ │ ├── forward() - Run agent on task
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│ │ ├── get_tools() - Get available tools
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│ │ ├── set_tool() - Add/replace a tool
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│ │ ├── remove_tool() - Remove a tool
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│ │ ├── reload_lms() - Recreate LMs from config
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│ │ └── load_state() - Load state with LM fix
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│ └── RLMReasoningCallback
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└── Modaic Integration
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└── RLMCodingConfig (PrecompiledConfig)
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```
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### Key Classes
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#### `RLMCodingConfig`
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Configuration class extending `PrecompiledConfig` for experiment-specific parameters.
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```python
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class RLMCodingConfig(PrecompiledConfig):
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max_iters: int = 50
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lm: str = "openrouter/openai/gpt-5.2-codex"
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sub_lm: str = "openrouter/openai/gpt-5-mini"
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api_base: str = "https://openrouter.ai/api/v1"
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max_tokens: int = 50000
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max_output_chars: int = 100000
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verbose: bool = False
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track_usage: bool = True
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```
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#### `RLMCodingProgram`
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Main program class extending `PrecompiledProgram`. Wraps a DSPy RLM agent with coding tools.
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```python
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class RLMCodingProgram(PrecompiledProgram):
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config: RLMCodingConfig
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def forward(self, task: str) -> dspy.Prediction:
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# Returns prediction with .answer
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return self.agent(task=task)
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def get_tools(self) -> dict:
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# Returns dict of available tools
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def set_tool(self, name: str, tool: callable):
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# Add or replace a tool
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def remove_tool(self, name: str):
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# Remove a tool by name
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def reload_lms(self):
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# Recreate LM objects from current config
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```
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#### `CodingAssistant`
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DSPy Signature defining the agent's input/output schema.
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```python
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class CodingAssistant(dspy.Signature):
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"""You are a concise coding assistant with access to sub agents."""
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task: str = dspy.InputField(desc="The user's coding task or question")
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answer: str = dspy.OutputField(desc="Your response to the user after completing the task")
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```
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---
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## Publishing Your Own Version
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If you modify nanocode and want to publish your own version to Modaic Hub:
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```python
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from nanocode import RLMCodingProgram, RLMCodingConfig
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# Create and optionally optimize your program
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program = RLMCodingProgram(RLMCodingConfig())
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# Push to your Modaic Hub repo
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program.push_to_hub(
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"your-username/my-nanocode",
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commit_message="My customized nanocode",
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with_code=True # Include source code for AutoProgram loading
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)
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```
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---
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## Dependencies
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- [DSPy](https://dspy.ai/) - Framework for programming language models
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- [Modaic](https://modaic.dev/) - Hub for sharing and versioning DSPy programs
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- OpenRouter API key (for accessing language models)
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Install dependencies:
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```bash
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pip install dspy modaic
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# or with uv
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uv add dspy modaic
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```
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---
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## Environment Variables
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| Variable | Required | Description |
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|----------|----------|-------------|
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| `OPENROUTER_API_KEY` | Yes | Your OpenRouter API key |
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| `MODEL` | No | Override the default model selection |
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| `MODAIC_TOKEN` | For Hub | Required for pushing/loading from Modaic Hub |
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---
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## License
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MIT
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