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llm-agents / agent-lifecycle-toolkit
The Agent Lifecycle Toolkit (ALTK) is a library of components to help agent builders improve their agent with minimal integration effort and setup. Current version 0.10.1, requires Python >=3.10, maintained by Anthropic. Release cadence: active development.
Install & Compatibility
Where this runs
tested against v0.10.1 · pip install
no network on importno background threads
Install × environment matrix
Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux
py 3.10
✕ build_error
✓ 57.5s
py 3.11
✕ build_error
✓ 51s
py 3.12
✕ build_error
✓ 49.3s
py 3.13
✕ build_error
✓ 49s
py 3.9
✕ build_error
✕ build_error
939MB installed
● package 939MB
Code
Verified usage
Verified import paths — ran on the pinned version, not inferred.
AgentLifecycleClient
✓ from altk import AgentLifecycleClient
✗ from agent_lifecycle_toolkit import AgentLifecycleClient
Initialize the ALTK client and create a session.
import os
from agent_lifecycle_toolkit import AgentLifecycleClient
client = AgentLifecycleClient(api_key=os.environ.get('ALTK_API_KEY', ''), base_url="https://api.altk.dev")
# Example: start a session
session = client.create_session(agent_id="my-agent")
print(f"Session ID: {session.id}")
Audit
Dependencies
anthropicrequiredRequired for Anthropic client usage