---
title: "Ecosystem"
description: "The QWED core, its domain packages for finance, legal, tax and infrastructure, agent protocol integrations, and tools."
url: https://qwedai.com/ecosystem
---

# Ecosystem

One core, with domain packages that each add guards for one field. Install only what you need; every package is Apache-2.0.

CORE

## qwed 7.2.2

Verification engines and agent security guards. Everything else builds on it.

`pip install qwed` [Docs](https://docs.qwedai.com) [Repository](https://github.com/QWED-AI/qwed-verification)

## Packages

### Finance

3.0.1

Banking, payments and financial calculations

`pip install qwed-finance`

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

### Legal

0.5.1

Deadlines, amounts and legal claims

`pip install qwed-legal`

[Docs](https://github.com/QWED-AI/qwed-legal#readme) [Repository](https://github.com/QWED-AI/qwed-legal) [PyPI](https://pypi.org/project/qwed-legal/)

### Tax

0.2.1

Tax compliance and withholding

`pip install qwed-tax`

[Docs](https://github.com/QWED-AI/qwed-tax#readme) [Repository](https://github.com/QWED-AI/qwed-tax) [PyPI](https://pypi.org/project/qwed-tax/)

### Infra

0.3.0

Terraform, IAM and cloud cost

`pip install qwed-infra`

[Docs](https://github.com/QWED-AI/qwed-infra#readme) [Repository](https://github.com/QWED-AI/qwed-infra) [PyPI](https://pypi.org/project/qwed-infra/)

### Open Responses

0.6.1

Agent tool calls, checked before they run

`pip install qwed-open-responses`

[Docs](https://github.com/QWED-AI/qwed-open-responses#readme) [Repository](https://github.com/QWED-AI/qwed-open-responses) [PyPI](https://pypi.org/project/qwed-open-responses/)

### MCP

0.2.2

MCP server for any MCP client

`pip install qwed-mcp`

[Docs](https://github.com/QWED-AI/qwed-mcp#readme) [Repository](https://github.com/QWED-AI/qwed-mcp) [PyPI](https://pypi.org/project/qwed-mcp/)

### A2A

0.3.0

Agent-to-agent verification

`pip install qwed-a2a`

[Docs](https://github.com/QWED-AI/qwed-a2a#readme) [Repository](https://github.com/QWED-AI/qwed-a2a) [PyPI](https://pypi.org/project/qwed-a2a/)

### UCP

0.3.0

Universal Commerce Protocol transactions

`pip install qwed-ucp`

[Docs](https://github.com/QWED-AI/qwed-ucp#readme) [Repository](https://github.com/QWED-AI/qwed-ucp) [PyPI](https://pypi.org/project/qwed-ucp/)

## Tools

-   [**QWED Security** GitHub App that verifies pull requests.](https://qwedai.com/products/security)
-   [**QWED Verification Action** Run QWED checks in GitHub Actions, with SARIF output for code scanning.](https://github.com/QWED-AI/qwed-verification-action)
-   [**qwedai/qwed-verification** Docker image of the core, part of Docker Sponsored Open Source.](https://hub.docker.com/r/qwedai/qwed-verification)
-   [**qwed-learning** Free course on deterministic AI verification: fail-closed architecture, formal verification, audit integrity and MCP security.](https://qwedai.com/learning)