Metadata-Version: 2.4
Name: ya-agent-sdk
Version: 0.84.0
Summary: Application framework for building AI agents with Pydantic AI - environment abstractions, session management, and hierarchical agent patterns
Project-URL: Repository, https://github.com/wh1isper/ya-mono
Author-email: wh1isper <jizhongsheng957@gmail.com>
Keywords: python
Classifier: Intended Audience :: Developers
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Requires-Python: <3.14,>=3.11
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Requires-Dist: pydantic>=2.12.5
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Requires-Dist: tenacity>=9.0.0
Requires-Dist: typing-extensions>=4.15.0
Requires-Dist: ya-agent-environment==0.84.0
Provides-Extra: all
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Requires-Dist: ya-oauth-provider; extra == 'all'
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Provides-Extra: rs
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Provides-Extra: s3
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Provides-Extra: tool-search
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Description-Content-Type: text/markdown

# Ya Agent SDK

> Yet Another Agent SDK

[![Release](https://img.shields.io/github/v/release/wh1isper/ya-mono)](https://github.com/wh1isper/ya-mono/releases)
[![Build status](https://img.shields.io/github/actions/workflow/status/wh1isper/ya-mono/main.yml?branch=main)](https://github.com/wh1isper/ya-mono/actions/workflows/main.yml?query=branch%3Amain)
[![codecov](https://codecov.io/gh/wh1isper/ya-mono/branch/main/graph/badge.svg)](https://codecov.io/gh/wh1isper/ya-mono)
[![Commit activity](https://img.shields.io/github/commit-activity/m/wh1isper/ya-mono)](https://github.com/wh1isper/ya-mono/commits/main)
[![License](https://img.shields.io/github/license/wh1isper/ya-mono)](https://github.com/wh1isper/ya-mono/blob/main/LICENSE)

Yet Another Agent SDK for building AI agents with [Pydantic AI](https://ai.pydantic.dev/).

## Key Features

- Environment-based architecture for file operations, shell access, and resources
- Fully typed SDK validated with pyright
- Resumable sessions with state export and restore
- Hierarchical agents with subagent delegation
- Tool search for large tool libraries
- Skills system with hot reload and progressive loading
- Human-in-the-loop approval workflows
- Event system and streaming support
- Message bus for agent coordination and user steering

## Installation

```bash
pip install 'ya-agent-sdk[all,rs]'
uv add 'ya-agent-sdk[all,rs]'
```

`[rs]` adds the native Rust filesystem search binding. Selective extras:

```bash
pip install 'ya-agent-sdk[rs]'
pip install 'ya-agent-sdk[docker]'
pip install 'ya-agent-sdk[web]'
pip install 'ya-agent-sdk[document]'
pip install 'ya-agent-sdk[s3]'
pip install 'ya-agent-sdk[tool-search]'
pip install 'ya-agent-sdk[oauth]'
```

## OAuth-backed Codex

Use your ChatGPT/Codex subscription through `ya-oauth`:

```bash
uv run --package ya-oauth ya-oauth login codex
```

Then select the OAuth model string:

```python
from ya_agent_sdk.agents import create_agent

runtime = create_agent("oauth@codex:gpt-5.5")
```

The SDK passes stable session and thread headers into the OAuth provider. YA Claw sets the provider session header from the session ID and the provider thread header from the run ID.

## Quick Start

For workspace development, copy [`packages/ya-agent-sdk/.env.example`](.env.example) to `packages/ya-agent-sdk/.env`.
For the runnable example scripts, copy [`examples/.env.example`](../../examples/.env.example) to `examples/.env`.

```python
from ya_agent_sdk.agents import create_agent, stream_agent

runtime = create_agent("openai-chat:gpt-4o")

async with stream_agent(runtime, "Hello") as streamer:
    async for event in streamer:
        print(event)
```

## Local Shell Sandbox Policy

`LocalShell` is the SDK's single local subprocess implementation. By default, `LocalShell` and `LocalEnvironment` preserve raw local subprocess behavior for SDK and YAACLI compatibility. Pass a resolved `ShellSandboxRuntimePolicy` to `LocalShell(sandbox_policy=...)` or `LocalEnvironment(shell_sandbox_policy=...)` to route commands through the selected local sandbox backend. `SandboxedLocalShell` is exported as a direct alias of `LocalShell` for naming convenience.

Path masks are opt-in. `ShellSandboxConfig.masked_path_aliases` provides recommended aliases such as `common_credentials`, `ssh`, `aws`, and `kube`; `masked_paths` accepts concrete paths. Linux bubblewrap applies these masks as tmpfs mounts inside the sandbox.

## Shell Command Review

Configure shell command review on `AgentContext.security.shell_review` to run a small reviewer model before shell execution:

```python
from ya_agent_sdk.agents import create_agent, stream_agent
from ya_agent_sdk.context import SecurityConfig, ShellReviewConfig

runtime = create_agent(
    "gateway@openai-responses:gpt-5.5",
    extra_context_kwargs={
        "security": SecurityConfig(
            shell_review=ShellReviewConfig(
                enabled=True,
                model="gateway@openai-responses:gpt-5.4-mini",
                model_settings="openai_responses_low",
                on_needs_approval="defer",
                risk_threshold="high",
            )
        )
    },
)

async with stream_agent(runtime, "Run the test suite") as streamer:
    async for event in streamer:
        print(event)
```

`model` is required when shell review is enabled. `model_settings` accepts SDK preset names or an inline settings dictionary. `on_needs_approval` supports `defer` for HITL-capable runtimes and `deny` for autopilot runtimes. `risk_threshold` defaults to `high` and controls when the configured action triggers.

## Model Preset Tips

For Anthropic models, `anthropic` now resolves to adaptive thinking by default.

- Use `anthropic` for the default adaptive preset.
- Use `anthropic_adaptive_xhigh` for Claude Opus 4.7 long-horizon coding and agentic workloads.
- Use `openai_responses_xhigh` for GPT-5.5 hard asynchronous agentic tasks and evals.
- Use `anthropic_off` when you want thinking disabled.
- Use `anthropic_400k` or `claude_400k` for a 400K context window between `claude_200k` and `claude_1m`.

## Repository Context

This package lives in the [`ya-mono`](https://github.com/wh1isper/ya-mono) workspace.

- CLI package: [`packages/yaacli`](https://github.com/wh1isper/ya-mono/tree/main/packages/yaacli)
- Examples: [`examples/`](https://github.com/wh1isper/ya-mono/tree/main/examples)
- Skill source: [`skills/agent-builder/`](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder)
- agent-builder skill: [`skills/agent-builder/SKILL.md`](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/SKILL.md)

## Examples

| Example | Description |
| --- | --- |
| [`general.py`](https://github.com/wh1isper/ya-mono/tree/main/examples/general.py) | Production pattern with streaming, HITL approval, and session persistence |
| [`deepresearch.py`](https://github.com/wh1isper/ya-mono/tree/main/examples/deepresearch.py) | Autonomous research agent with web search and content extraction |

## Reference Files

- [AgentContext & Sessions](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/context.md)
- [Streaming & Hooks](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/streaming.md)
- [Events](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/events.md)
- [Toolset Architecture](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/toolset.md)
- [Tool Search](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/tool-search.md)
- [Subagent System](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/subagent.md)
- [Skills System](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/skills.md)
- [Message Bus](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/message-bus.md)
- [Media Upload](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/media.md)
- [Custom Environments](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/environment.md)
- [Resumable Resources](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/resumable-resources.md)
- [Model Configuration](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/model.md)
- [Logging Configuration](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/logging.md)
- [Tool Proxy](https://github.com/wh1isper/ya-mono/tree/main/skills/agent-builder/tool-proxy.md)

## Development

```bash
git clone git@github.com:YOUR_NAME/ya-mono.git
cd ya-mono
uv sync --all-packages
```

Workspace commands live at the repository root. See the [contributing guide](https://github.com/wh1isper/ya-mono/tree/main/CONTRIBUTING.md).
