Home › Agent Tools › Letta

Letta

Open-source agent framework with new v1 agent architecture, parallel tool calls, human-in-the-loop tool execution, and improved memory search.

Key Information

  • Category: Agent Tools
  • Source: Github
  • Tags: Python
  • Last updated: January 09, 2026

Structured Metrics

No structured metrics captured yet.

Links

Visit official website

Canonical source: https://github.com/letta-ai/letta

Related Tools

Accomplish

Accomplish is an open‑source AI desktop agent that runs locally to automate file management, document creation, and browser workflows. It supports bring‑your‑own API keys (OpenAI, Anthropic, Google, xAI, etc.) or fully local models via Ollama/LM Studio, offers user‑approved actions with logs, custom reusable skills, and integrations with tools like Notion, Google Drive, and Dropbox via local APIs. MIT‑licensed with installers for macOS and Windows 11.
ADK Python

ADK Python is an open-source, code-first Python toolkit by Google for building, evaluating, and deploying sophisticated AI agents. It offers a modular framework for creating both single and multi-agent systems, enabling flexible integration, testing, and deployment across various environments, including cloud platforms such as Cloud Run and Vertex AI Agent Engine. It is optimized for the Gemini and Google ecosystem while remaining model- and deployment-agnostic.
AG2

AG2 (formerly AutoGen) is an open-source software platform designed for building AI agents and facilitating multi-agent interactions to solve complex tasks. It supports integration with various large language models and provides various orchestration patterns for AI agents, enabling flexible and efficient tool usage and human collaboration.
Agent Zero

Prompt‑based AI agent framework with tools, instruments, projects, and MCP server integration.
Agentic Browser

An open-source AI agent designed for web automation and scraping. It orchestrates specialized agents (Planner, Browser, and Critique) to automate browser interactions such as form filling, data extraction, e-commerce searches, and content retrieval via a natural language interface.
AgenticSeek

An autonomous AI agent framework designed to run locally or on remote servers, offering both CLI and web interfaces for interaction and task automation.