chore: Update CrewAI Agent to 0.2.16 (#265)

* chore: Update CrewAI Agent to 0.2.16

* Update python version

Author: holtskinner

samples/python/agents/crewai/.python-version

@@ -1 +1 @@
-3.12
+3.13

samples/python/agents/crewai/README.md

@@ -1,4 +1,4 @@
-## CrewAI Agent with A2A Protocol
+# CrewAI Agent with A2A Protocol
 
 This sample demonstrates a simple image generation agent built with [CrewAI](https://www.crewai.com/open-source) and exposed through the A2A protocol.
 
@@ -52,7 +52,7 @@ sequenceDiagram
 3. Set up the Python environment:
 
    ```bash
-   uv python pin 3.12
+   uv python pin 3.13
    uv venv
    source .venv/bin/activate
    ```
@@ -73,15 +73,13 @@ sequenceDiagram
 
    ```bash
    # Connect to the agent (specify the agent URL with correct port and host)
-   cd samples/python/hosts/cli   
+   cd samples/python/hosts/cli
    uv run . --agent http://localhost:10001
 
    # If you changed the port when starting the agent, use that port instead
    # uv run . --agent http://localhost:YOUR_PORT
    ```
 
-   Or run the [demo app](/A2A/A2A/demo/README.md)
-
 ## Build Container Image
 
 Agent can also be built using a container file.
@@ -98,10 +96,10 @@ Agent can also be built using a container file.
     podman build -f agents/crewai/Containerfile . -t crewai-a2a-server
     ```
 
-> [!Tip]  
-> Podman is a drop-in replacement for `docker` which can also be used in these commands.
+   > [!Tip]  
+   > Podman is a drop-in replacement for `docker` which can also be used in these commands.
 
-3. Run you container
+3. Run your container
 
     ```bash
     podman run -p 10001:10001 -e GOOGLE_API_KEY=your_api_key_here crewai-a2a-server
@@ -110,8 +108,9 @@ Agent can also be built using a container file.
 4. Run A2A client (follow step 5 from the section above)
 
 > [!Important]
-> * **Access URL:** You must access the A2A client through the URL `0.0.0.0:10001`. Using `localhost` will not work.
-> * **Hostname Override:** If you're deploying to an environment where the hostname is defined differently outside the container, use the `HOST_OVERRIDE` environment variable to set the expected hostname on the Agent Card. This ensures proper communication with your client application.
+>
+> - **Access URL:** You must access the A2A client through the URL `0.0.0.0:10001`. Using `localhost` will not work.
+> - **Hostname Override:** If you're deploying to an environment where the hostname is defined differently outside the container, use the `HOST_OVERRIDE` environment variable to set the expected hostname on the Agent Card. This ensures proper communication with your client application.
 
 ## Features & Improvements
 
@@ -130,14 +129,6 @@ Agent can also be built using a container file.
 
 ## Learn More
 
-- [A2A Protocol Documentation](https://google.github.io/A2A/#/documentation)
+- [A2A Protocol Documentation](https://a2a-protocol.org)
 - [CrewAI Documentation](https://docs.crewai.com/introduction)
 - [Google Gemini API](https://ai.google.dev/gemini-api)
-
-
-## Disclaimer
-Important: The sample code provided is for demonstration purposes and illustrates the mechanics of the Agent-to-Agent (A2A) protocol. When building production applications, it is critical to treat any agent operating outside of your direct control as a potentially untrusted entity.
-
-All data received from an external agent—including but not limited to its AgentCard, messages, artifacts, and task statuses—should be handled as untrusted input. For example, a malicious agent could provide an AgentCard containing crafted data in its fields (e.g., description, name, skills.description). If this data is used without sanitization to construct prompts for a Large Language Model (LLM), it could expose your application to prompt injection attacks.  Failure to properly validate and sanitize this data before use can introduce security vulnerabilities into your application.
-
-Developers are responsible for implementing appropriate security measures, such as input validation and secure handling of credentials to protect their systems and users.

samples/python/agents/crewai/__main__.py

@@ -72,8 +72,8 @@ def main(host, port):
             ),
             url=agent_host_url,
             version='1.0.0',
-            defaultInputModes=ImageGenerationAgent.SUPPORTED_CONTENT_TYPES,
-            defaultOutputModes=ImageGenerationAgent.SUPPORTED_CONTENT_TYPES,
+            default_input_modes=ImageGenerationAgent.SUPPORTED_CONTENT_TYPES,
+            default_output_modes=ImageGenerationAgent.SUPPORTED_CONTENT_TYPES,
             capabilities=capabilities,
             skills=[skill],
         )

samples/python/agents/crewai/agent_executor.py

@@ -50,7 +50,7 @@ async def execute(
                 FilePart(
                     file=FileWithBytes(
                         bytes=data.bytes,
-                        mimeType=data.mime_type,
+                        mime_type=data.mime_type,
                         name=data.id,
                     )
                 )

samples/python/agents/crewai/pyproject.toml

@@ -7,8 +7,5 @@ requires-python = ">=3.12"
 dependencies = [
     "crewai[tools]>=0.95.0",
     "google-genai>=1.9.0",
-    "a2a-samples",
+    "a2a-sdk>=0.2.16",
 ]
-
-[tool.uv.sources]
-a2a-samples = { workspace = true }