[FEATURE] add a print to agent init

[Unshure]

Problem Statement

Add a simple print when initializing an agent

Proposed Solution

No response

Use Case

More debug info

Alternatives Solutions

No response

Additional Context

No response

[Unshure]

/strands

[github-actions]

Repository Analysis & Clarifying Questions

I've analyzed the repository structure and the existing agent initialization code. Here are my findings and questions to ensure proper implementation:

Repository Context

• Agent Location: src/strands/agent/agent.py
• Existing Logging: The codebase already has structured logging infrastructure (logger = logging.getLogger(__name__))
• Hooks System: An AgentInitializedEvent is already invoked at the end of Agent.__init__ which could potentially be leveraged
• Logging Style: The project uses structured logging format: logger.debug("field=<%s> | message", field)

Clarifying Questions

1. Output Method

Should this use Python's print() function or the existing logging infrastructure?

• print() - Always visible, writes to stdout
• logging.info() or logging.debug() - Respects log levels, configurable

2. Information to Display

What information should be included in the output? For example:

• Agent ID
• Agent name
• Model ID/provider
• Number of tools loaded
• System prompt (truncated?)
• Other configuration details?

3. Default Behavior

Should this print/log statement be:

• Always enabled by default
• Opt-in via a new parameter (e.g., verbose=True)
• Controlled by log level (only shows at DEBUG level)

4. Implementation Approach

Would you prefer:

• Direct logging in the Agent.__init__ method
• Using the existing AgentInitializedEvent hook system (allows users to customize)

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This is a small, well-scoped task that can be implemented in a single PR once these details are clarified.

[Unshure]

/strands implement