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- Letta-MCP-server
Letta Mcp Server
What is Letta Mcp Server
Letta-MCP-server is an implementation of an MCP (Model Context Protocol) server designed to manage the Letta API. It facilitates interaction with agents, memory blocks, and tools within the Letta system.
Use cases
Use cases for Letta-MCP-server include developing conversational agents, managing user preferences and conversation history, and creating custom tools for specific tasks. It is useful in applications requiring dynamic interaction with AI agents.
How to use
To use Letta-MCP-server, clone the repository, install dependencies using npm, and configure the server by creating a .env file with the necessary API credentials. You can then start the server and utilize various scripts to manage agents and memory blocks.
Key features
Key features include creating and managing Letta agents, listing and filtering agents, managing memory blocks with CRUD operations, attaching memory blocks to agents, and managing agent tools. The server also supports pagination and filtering for memory block listings.
Where to use
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Clients Supporting MCP
The following are the main client software that supports the Model Context Protocol. Click the link to visit the official website for more information.
Overview
What is Letta Mcp Server
Letta-MCP-server is an implementation of an MCP (Model Context Protocol) server designed to manage the Letta API. It facilitates interaction with agents, memory blocks, and tools within the Letta system.
Use cases
Use cases for Letta-MCP-server include developing conversational agents, managing user preferences and conversation history, and creating custom tools for specific tasks. It is useful in applications requiring dynamic interaction with AI agents.
How to use
To use Letta-MCP-server, clone the repository, install dependencies using npm, and configure the server by creating a .env file with the necessary API credentials. You can then start the server and utilize various scripts to manage agents and memory blocks.
Key features
Key features include creating and managing Letta agents, listing and filtering agents, managing memory blocks with CRUD operations, attaching memory blocks to agents, and managing agent tools. The server also supports pagination and filtering for memory block listings.
Where to use
undefined
Clients Supporting MCP
The following are the main client software that supports the Model Context Protocol. Click the link to visit the official website for more information.
Content
Letta MCP Server
A server that provides tools for agent management, memory operations, and integration with the Letta system.
Quick Setup
Option 1: Run with Node.js
# Development (with hot reload)
npm run dev:sse # SSE transport
# Production
npm run build # Build TypeScript first
npm run start:sse # SSE transport
Option 2: Run with Docker
# Build and run locally
docker build -t letta-mcp-server .
docker run -d -p 3001:3001 -e PORT=3001 -e NODE_ENV=production --name letta-mcp letta-mcp-server
# Or use the public image
docker run -d -p 3001:3001 -e PORT=3001 -e NODE_ENV=production --name letta-mcp ghcr.io/oculairmedia/letta-mcp-server:latest
Directory Structure
- index.js - Main entry point
core/- Core server functionalitytools/- Individual tool implementationstransports/- Server transport implementations (stdio and SSE)
Available Tools
Agent Management
| Tool | Description | Required Parameters | Optional Parameters |
|---|---|---|---|
create_agent |
Create a new Letta agent | name, description | model, embedding |
list_agents |
List all available agents | - | filter |
prompt_agent |
Send a message to an agent | agent_id, message | - |
get_agent |
Get agent details by ID | agent_id | - |
modify_agent |
Update an existing agent | agent_id, update_data | - |
delete_agent |
Delete an agent | agent_id | - |
clone_agent |
Clone an existing agent | source_agent_id, new_agent_name | override_existing_tools, project_id |
bulk_delete_agents |
Delete multiple agents | - | agent_ids, agent_name_filter, agent_tag_filter |
Memory Management
| Tool | Description | Required Parameters | Optional Parameters |
|---|---|---|---|
list_memory_blocks |
List all memory blocks | - | filter, agent_id, page, pageSize, label |
create_memory_block |
Create a new memory block | name, label, value | agent_id, metadata |
read_memory_block |
Read a memory block | block_id | agent_id |
update_memory_block |
Update a memory block | block_id | value, metadata, agent_id |
attach_memory_block |
Attach memory to an agent | block_id, agent_id | label |
Tool Management
| Tool | Description | Required Parameters | Optional Parameters |
|---|---|---|---|
list_tools |
List all available tools | - | filter, page, pageSize |
list_agent_tools |
List tools for a specific agent | agent_id | - |
attach_tool |
Attach tools to an agent | agent_id | tool_id, tool_ids, tool_names |
upload_tool |
Upload a new tool | name, description, source_code | category, agent_id |
bulk_attach_tool_to_agents |
Attach a tool to multiple agents | tool_id | agent_name_filter, agent_tag_filter |
Additional Tools
- Model Management:
list_llm_models,list_embedding_models - Archive Management:
list_passages,create_passage,modify_passage,delete_passage - MCP Server Management:
list_mcp_servers,list_mcp_tools_by_server - Import/Export:
export_agent,import_agent
Docker Operations
# View container logs
docker logs -f letta-mcp
# Stop the container
docker stop letta-mcp
# Update to latest version
docker pull ghcr.io/oculairmedia/letta-mcp-server:latest
docker stop letta-mcp
docker rm letta-mcp
docker run -d -p 3001:3001 -e PORT=3001 -e NODE_ENV=production --name letta-mcp ghcr.io/oculairmedia/letta-mcp-server:latest
Configuration with MCP Settings
Add the server to your mcp_settings.json:
For remote instances, use the URL configuration:
Dev Tools Supporting MCP
The following are the main code editors that support the Model Context Protocol. Click the link to visit the official website for more information.











