Letta
Platform for agents with long-term memory
Platform for building stateful agents that keep memory across sessions. It grew out of the open source MemGPT research project and includes an open source server and a hosted service.
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Model Context Protocol
Agent infra
Open protocol for connecting models to tools and data
Agent2Agent Protocol
Agent infra
Open protocol for agents to talk to each other
Arize Phoenix
Agent infra
Open source tracing and evaluation for LLM apps
Composio
Agent infra
Tool and integration layer for agents
E2B
Agent infra
Cloud sandboxes for running agent-generated code
Firecrawl
Agent infra
Turns websites into clean data for LLMs