---
title: "Packages"
description: "Every QWED package with its latest version: the core, domain packages for finance, legal, tax and infrastructure, agent protocol packages, and tools."
url: https://qwedai.tech/ecosystem
---

# Packages

One core, and a package for each field it checks. Install only what you need. Every package is open source under Apache-2.0 and versioned on its own.

-   **9** Python packages
-   Versions and status live from PyPI
-   [Release history](https://qwedai.tech/releases)

Core

## qwed v7.3.0

Beta

Verification engines and agent security guards. Every other package builds on it.

`pip install qwed`

[Docs](https://docs.qwedai.com) [Repository](https://github.com/QWED-AI/qwed-verification) [PyPI](https://pypi.org/project/qwed/)

## Domain packages

Checks written for the rules of a specific field.

-   ### [QWED Finance](https://qwedai.tech/platform/finance)

    v3.0.1

    Beta

    Banking, payments and financial calculations

    `pip install qwed-finance`

    [Overview](https://qwedai.tech/platform/finance) [Docs](https://finance.qwedai.com) [Repository](https://github.com/QWED-AI/qwed-finance) [PyPI](https://pypi.org/project/qwed-finance/) [Use case](https://qwedai.tech/solutions/banking)

-   ### [QWED Legal](https://qwedai.tech/platform/legal)

    v0.5.1

    Beta

    Deadlines, amounts and legal claims

    `pip install qwed-legal`

    [Overview](https://qwedai.tech/platform/legal) [Docs](https://docs.qwedai.com/legal/overview) [Repository](https://github.com/QWED-AI/qwed-legal) [PyPI](https://pypi.org/project/qwed-legal/) [Use case](https://qwedai.tech/solutions/legal)

-   ### [QWED Tax](https://qwedai.tech/platform/tax)

    v0.2.1

    Status not declared

    Tax compliance and withholding

    `pip install qwed-tax`

    [Overview](https://qwedai.tech/platform/tax) [Docs](https://docs.qwedai.com/tax/overview) [Repository](https://github.com/QWED-AI/qwed-tax) [PyPI](https://pypi.org/project/qwed-tax/) [Use case](https://qwedai.tech/solutions/tax)

-   ### [QWED Infra](https://qwedai.tech/platform/infra)

    v0.3.0

    Status not declared

    Terraform, IAM and cloud cost

    `pip install qwed-infra`

    [Overview](https://qwedai.tech/platform/infra) [Docs](https://docs.qwedai.com/infra/overview) [Repository](https://github.com/QWED-AI/qwed-infra) [PyPI](https://pypi.org/project/qwed-infra/) [Use case](https://qwedai.tech/solutions/cloud)

## Agents and protocols

Checks on what AI agents do, not only on what they say.

-   ### [Open Responses](https://qwedai.tech/platform/open-responses)

    v0.6.1

    Beta

    Agent tool calls, checked before they run

    `pip install qwed-open-responses`

    [Overview](https://qwedai.tech/platform/open-responses) [Docs](https://docs.qwedai.com/open-responses/overview) [Repository](https://github.com/QWED-AI/qwed-open-responses) [PyPI](https://pypi.org/project/qwed-open-responses/) [Use case](https://qwedai.tech/solutions/ai-agents)

-   ### [MCP server](https://qwedai.tech/platform/mcp)

    v0.2.2

    Beta

    Verification tools for any MCP client

    `pip install qwed-mcp`

    [Overview](https://qwedai.tech/platform/mcp) [Docs](https://docs.qwedai.com/mcp/overview) [Repository](https://github.com/QWED-AI/qwed-mcp) [PyPI](https://pypi.org/project/qwed-mcp/) [Use case](https://qwedai.tech/solutions/ai-agents)

-   ### [A2A](https://qwedai.tech/platform/a2a)

    v0.3.0

    Alpha

    Messages between agents

    `pip install qwed-a2a`

    [Overview](https://qwedai.tech/platform/a2a) [Docs](https://docs.qwedai.com/a2a/overview) [Repository](https://github.com/QWED-AI/qwed-a2a) [PyPI](https://pypi.org/project/qwed-a2a/) [Use case](https://qwedai.tech/solutions/ai-agents)

-   ### [UCP](https://qwedai.tech/platform/ucp)

    v0.3.0

    Alpha

    Universal Commerce Protocol transactions

    `pip install qwed-ucp`

    [Overview](https://qwedai.tech/platform/ucp) [Docs](https://docs.qwedai.com/ucp/overview) [Repository](https://github.com/QWED-AI/qwed-ucp) [PyPI](https://pypi.org/project/qwed-ucp/) [Use case](https://qwedai.tech/solutions/ai-agents)

**About the status tags.** Each tag is the development status the package declares on PyPI (Alpha, Beta or Stable), read at build time. “Status not declared” means the package does not declare one yet.

## Tools

-   [### QWED Security A GitHub App that checks every pull request. Free for public repositories. Open](https://qwedai.tech/platform/security)
-   [### GitHub Action Scan for secrets, unsafe code and unsafe shell commands in your own workflows, with SARIF output. Open](https://qwedai.tech/platform/github-action)
-   [### Docker image qwedai/qwed-verification runs the QWED API server. Part of Docker Sponsored Open Source. Open](https://qwedai.tech/platform/docker)
-   [### SDKs SDKs for TypeScript (@qwed-ai/sdk, 7.3.0 on npm), Go and Rust. Open](https://qwedai.tech/install#other)
-   [### qwed-learning A free course on making AI output provable. Open](https://qwedai.tech/learning)