Registry / llm-agents / agent-lifecycle-toolkit

agent-lifecycle-toolkit

library0.10.1pypypiunverified

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.

llm-agents ai-ml

pip install agent-lifecycle-toolkit

github ↗package ↗homepage ↗docs ↗

INSTALL

IMPORT

SIG · AGENT-LIFECYCLE-TO

agent-lifecycle-toolkit

llm-agentspythonv0.10.1

Install

51.7s avg

Import

—

Disk

939MB

Pass rate

4/ 10

Env Coverage4 / 10

glibc

3.9–3.13

musl

3.9–3.13

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

musl

glibc

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

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}")

Debug

Known issues

breakingAPI base URL changed in 0.10.0 from https://app.altk.dev to https://api.altk.dev

fix

Update base_url to https://api.altk.dev

affects: <0.10.0

deprecatedThe `create_agent` method is deprecated in 0.10.x, use `register_agent` instead

fix

Replace client.create_agent(...) with client.register_agent(...)

affects: 0.10.0+

breakingPython 3.9 support dropped in 0.10.0

fix

Upgrade to Python >=3.10

affects: <0.10.0

gotchaEnvironment variable `ALTK_API_KEY` is read at client init; if not set and no api_key passed, client raises ValueError with unclear message

fix

Always set ALTK_API_KEY or pass api_key parameter explicitly

affects: all

Upgrade

Version history

0.10.1latest on PyPI · released Mar 16, 2026

Audit

Dependencies

anthropicrequiredRequired for Anthropic client usage

Agent activity

61 hits · last 30 days

node

Anthropic

Perplexity

OpenAI (training)

Resources

githubhttps://github.com/AgentToolkit/agent-lifecycle-toolkit ↗

packagehttps://pypi.org/project/agent-lifecycle-toolkit/ ↗

homepagehttps://altk.ai/ ↗

docshttps://agenttoolkit.github.io/agent-lifecycle-toolkit/ ↗