Letta for AI agents
Letta is available to your agents through Vaaya, alongside hundreds of other tools, over one connection. Stateful agents with self-managed memory blocks. You never create a Letta account, hold its API key, or carry its subscription: Vaaya meters each call and rolls it into one bill.
npx @vaaya/mcp installWhat Letta does
Letta runs stateful agents that manage their own memory blocks, keeping context organized and persistent over long-running work.
The facts
Storage & memory
Vaaya MCP, or HTTP with one Vaaya API key
Listed in the catalog, with the price of each call
Per call, priced before it runs and charged only on success. Vaaya settles with Letta; you are billed the catalog price, which includes Vaaya’s margin
Only the parameters of the call your agent makes. Results are returned to you and recorded in your history
Held server-side by Vaaya; your agent never receives a Letta key
Letta’s own terms apply to the underlying service, published at letta.com
Letta is available through Vaaya. Vaaya holds the account and settles the usage; this page does not imply a partnership or endorsement by Letta.
How your agents use it
Connect Vaaya
One install wires Vaaya into your agent as an MCP server. Letta comes with it, no separate signup.
Describe the outcome
Your agent says what it needs in plain language. Vaaya routes it to Letta and returns the result.
Pay per call
Metered to the call and capped by your max. Every call on one bill. Failed calls are not billed.
Give your agents Letta.
Install Vaaya and your agent reaches Letta, and hundreds more tools, through one integration.
npx @vaaya/mcp install