| Name | ca2a JSON |
| Version |
0.1.0
JSON |
| download |
| home_page | https://github.com/RussellLuo/ca2a |
| Summary | A command-line utility for interacting with A2A agents. |
| upload_time | 2025-07-19 06:00:23 |
| maintainer | None |
| docs_url | None |
| author | RussellLuo |
| requires_python | <3.14,>=3.10.0 |
| license | None |
| keywords |
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# cA2A
`ca2a` is a command-line utility that helps you interact with [A2A][1] agents. It's basically `curl` for A2A agents.
## Installation
```bash
pip install ca2a
```
## Usage
```bash
$ ca2a -h
usage: ca2a [-h] [-v] url method [items ...]
A command-line utility for interacting with A2A agents.
positional arguments:
url The URL to connect to the A2A agent
method The method to be invoked
items The parameter values (in the form of `key=string_value` or `key:=json_value`), or the header values (in the form of `key:value`)
options:
-h, --help show this help message and exit
-v, --verbose Enable verbose output showing the JSON-RPC request/response
```
## Quick Start
Run an A2A agent (see [Helloworld Example](https://github.com/a2aproject/a2a-python#helloworld-example)):
```bash
git clone https://github.com/a2aproject/a2a-samples.git
cd a2a-samples/samples/python/agents/helloworld
uv run .
```
Send a message to the agent:
```bash
ca2a http://localhost:9999 message/send message:='{
"role": "user",
"parts": [{"kind": "text", "text": "Hello"}],
"messageId": "msg_123",
"taskId": "task_123"
}'
```
Send a streaming message to the agent:
```bash
ca2a http://localhost:9999 message/stream message:='{
"role": "user",
"parts": [{"kind": "text", "text": "Hello"}],
"messageId": "msg_123",
"taskId": "task_123"
}'
```
[1]: https://a2a-protocol.org/
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