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registry / software / letta
Letta
Letta is an AI research lab in San Francisco building machines that learn. They envision a future where humans coexist with digital people: experiential agents that remember everything, learn continuously, and improve themselves over time.
72
DISCOVER100
UNDERSTAND38
ADOPT81
OPERATE67
OverviewGET /v1/profile/letta
Overall
72
Discover
100
Understand
38
Adopt
81
Operate
67
29/40 applicable signals pass. Open the Capabilities tab for the full signal breakdown, or Issues for the highest-impact gaps.
Agent compatibility
Claude Code✓ TESTED
Codex✓ TESTED
Cursor✓ TESTED
Installed the published MCP server and ran a call end to end.
Score history+8 · 12mo
Do you work at Letta?
Claim the profile to submit API, MCP, and CLI endpoints, provide test credentials for continuous audits, and embed the badge.
company email · DNS · GitHub org
Badge
agentready72/100
<a href="https://stackresolve.dev/registry/letta"><img src="https://api.stackresolve.dev/badge/letta.svg" alt="AgentReady score" /></a>
Frequently asked about Letta
What is Letta's AgentReady score?
Letta scores 72/100 on the AgentReady: discovery 100, understanding 38, adoption 81, operability 67. The score rates how ready Letta is for an AI agent to use without a human.
Does Letta have an MCP server?
Yes. Letta publishes an MCP server, so an AI agent can connect to it over the Model Context Protocol.
Does Letta have a free tier?
Yes, Letta has a free tier you can start on without a sales call.
Is Letta good for AI agents?
Letta is usable for AI agents, with an AgentReady of 72/100. It is strongest on discovery.