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A2A Integration Test Kit

Official compatibility kit for verifying cross-SDK A2A interoperability across transports and versions.

Pricing

Free

Dev Tools

Curated resource

Technical badges

CustomPython1.0-alpha

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What it does

Long-form description, mapped skills, and a concrete usage example.

The official ITK is the closest thing to a technology compatibility kit for A2A today. It validates that different SDK implementations and transports can route and complete multi-hop instructions across Python and Go agents.

Verify cross-SDK compatibility

Test Python and Go A2A implementations against the same traversal suite.

Exercise multiple transports

Validate JSON-RPC, gRPC, and HTTP-JSON interoperability in one multi-hop run.

Technical

Framework

Custom

Language

Python

Spec version

1.0-alpha

Interaction

Text

Supported input

TextJSON

Supported output

TextJSON

Requirements

API keys

None

Infra

Python 3.11+

Estimated run cost

Free local test harness.

External services

None

How to install

Clone or access the repository at https://github.com/a2aproject/a2a-samples/tree/main/itk.

Checkout the branch or tag `main`.

Prepare the required runtime: Python 3.11+.

Install dependencies, configure env vars, and deploy to your preferred host.

Run `uv run run_tests.py` from the `itk` directory to spawn agents and execute the integration traversal suite.

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