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Letta (BYOK)

Read your Letta agents, their messages, memory blocks, tools, runs, steps, folders and models with your own API key

Unify Dynamics LLC

Tools12read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderLettaunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which Letta agents do I have?
Tools called
list_agents
Show the configuration of my Letta agent
Tools called
get_agent
What did my Letta agent say recently?
Tools called
list_agent_messages
What is in my Letta agent's core memory?
Tools called
list_agent_memory_blocks
Which tools does my Letta agent have?
Tools called
list_agent_tools
Which shared memory blocks exist in my Letta project?
Tools called
list_blocks

About

Letta (BYOK) lets an AI assistant read your own Letta data through the Letta API with a key you supply (Letta API key). Read-only: 12 tools (list_agents, get_agent, list_agent_messages, list_agent_memory_blocks, list_agent_tools, list_blocks, list_tools, list_runs, get_run, list_steps, list_models, list_folders). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.letta.com. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Letta. Letta and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the Letta API (api.letta.com) with a BYOK key; documentation: https://docs.letta.com/api/resources/agents. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

12 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data12 tools
  • List agentsList the agents of the project with name, model, type, tags and last run time.
  • Get agentGet one agent: name, model, type, system prompt, tags, project and last run information.
  • List agent messagesList the messages of an agent (user, assistant, reasoning, tool calls and tool returns) with type, time and content.
  • List agent memory blocksList the core memory blocks of an agent (such as persona and human) with label, value, character limit and read-only flag.
  • List agent toolsList the tools attached to an agent with name, description, type and approval setting.
  • List blocksList memory blocks of the project (shared or template blocks) with label, value, description and tags, filterable by label.
  • List toolsList the tools of the project (built-in and custom) with name, description, type and tags.
  • List runsList agent runs (one run per request to an agent) with status, stop reason, timing and the agent id; filter by agent or status.
  • Get runGet one agent run: status, stop reason, timing in nanoseconds and the agent and conversation it belongs to.
  • List stepsList agent steps (single LLM calls) with model, token counts, status, stop reason and run id, filterable by agent, model or date.
  • List modelsList the language models the server offers, with handle, provider, context window and reasoning support.
  • List foldersList folders (document collections for agents) with name, description, embedding configuration and times.

Information

PublisherUnify Dynamics LLC
CategoryDeveloper tools
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-letta.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

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Get Letta (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own Letta Letta API key. Create one at https://app.letta.com, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to Letta. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with Letta.