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# Installation
## Requirements
- Python ≥ 3.10
- For research training/evaluation, access to at least one configured model
backend (hosted API, local server, or an installed execution CLI)
- The SkillOpt-Sleep `mock` backend needs no credentials
## Choose an Install
### PyPI
Use PyPI for the Python packages and installed commands:
```bash
python -m pip install skillopt
skillopt-sleep --help
```
This installs `skillopt-train`, `skillopt-eval`, and `skillopt-sleep`. The wheel
does not include the repository's benchmark configs, data materializers,
agent-integration shells/MCP servers, or development tests; use a source
checkout for those files.
!!! important "PyPI versus `main`"
These docs track the latest `main`. The current PyPI release is `0.2.0`.
The generic research `openai_compatible` backend, SkillOpt-Sleep handoff,
Sleep support for non-Azure OpenAI-compatible endpoints, and the Sleep
`--preferences` flag landed after that release and require a source install
from `main` until the next release.
### Source checkout
```bash
git clone https://github.com/microsoft/SkillOpt.git
cd SkillOpt
python -m pip install -e .
```
Use the source checkout for paper reproduction, built-in benchmark configs,
and contributions.
## Optional Dependencies
Install extras for specific benchmarks or backends:
=== "ALFWorld"
```bash
python -m pip install -e ".[alfworld]"
```
=== "Claude agent SDK (optional)"
```bash
python -m pip install -e ".[claude]"
```
This extra does not install the `claude` executable. The research
`claude_chat` backend launches `claude -p`, so install and authenticate the
Claude Code CLI separately. The SDK extra is only needed when selecting an
SDK-backed Claude Code exec path.
=== "Qwen (Local)"
```bash
python -m pip install -e ".[qwen]"
```
=== "SearchQA data"
```bash
python -m pip install -e ".[searchqa]"
```
=== "WebUI"
```bash
python -m pip install -e ".[webui]"
```
=== "Development"
```bash
python -m pip install -e ".[dev]"
```
=== "All"
```bash
python -m pip install -e ".[alfworld,claude,qwen,searchqa,webui,docs,dev]"
```
## Environment Variables
From a source checkout, copy the template and fill in only the backend you
will use:
```bash
cp .env.example .env
```
SkillOpt does not automatically load `.env`; export it into the current shell
before running commands:
```bash
set -a
source .env
set +a
```
For Azure OpenAI with API-key authentication, the minimum settings are:
```ini
AZURE_OPENAI_ENDPOINT=https://your-resource.openai.azure.com/
AZURE_OPENAI_API_VERSION=2024-12-01-preview
AZURE_OPENAI_API_KEY=your-key
AZURE_OPENAI_AUTH_MODE=api_key
```
Use `AZURE_OPENAI_AUTH_MODE=azure_cli` for Azure CLI credentials, or
`managed_identity` with an optional
`AZURE_OPENAI_MANAGED_IDENTITY_CLIENT_ID`.
The research `claude_chat` backend is a Claude Code CLI adapter, not a direct
Anthropic API client. Install and authenticate `claude`, and set
`CLAUDE_CLI_BIN` only if the executable is not available as `claude` on
`PATH`. `ANTHROPIC_API_KEY` is one authentication option the CLI may consume.
OpenAI-compatible servers have three distinct entry points:
1. The research engine's generic `openai_compatible` backend uses
`OPENAI_COMPATIBLE_BASE_URL`, `OPENAI_COMPATIBLE_API_KEY`, and
`OPENAI_COMPATIBLE_MODEL`.
2. The research `openai_chat` backend can use
`AZURE_OPENAI_AUTH_MODE=openai_compatible` with
`AZURE_OPENAI_ENDPOINT` and `AZURE_OPENAI_API_KEY`.
3. SkillOpt-Sleep uses the same Azure-family variables as item 2 with
`skillopt-sleep run --backend azure_openai`.
For research train/eval commands, `model.optimizer` and `model.target` in the
YAML config are applied after backend initialization. They override model-name
environment variables such as `OPENAI_COMPATIBLE_MODEL` and
`QWEN_CHAT_MODEL`; set both role models explicitly when selecting those
backends.
!!! tip
You only need to configure the backend you plan to use. See
[Configuration](configuration.md#model-backends) for exact backend names
and role-specific overrides.
## Verify Installation
```bash
python -c "import skillopt; print('SkillOpt ready!')"
skillopt-train --help
skillopt-eval --help
skillopt-sleep --help
```
## Next Steps
→ [Run your first experiment](first-experiment.md)