truffle-ai/dexto

What is it?

Key features

• 01Defines agents in version-controlled YAML, with hot reload of config changes.
• 02Connects to MCP servers and exposes agents as MCP servers.
• 03Switches between 50+ LLMs, including local models, during a conversation.
• 04Persists sessions and memory, with conversation search.
• 05Requires tool approvals in manual mode or auto-approves for trusted use.
• 06Supports Redis, PostgreSQL, and SQLite storage backends.

Use cases

• Running a terminal or web-based coding agent that edits and tests a codebase.
• Building a domain-specific agent by writing a YAML config and connecting MCP tools.
• Exposing an agent backend through a REST and SSE API for a web frontend.
• Deploying a chat bot on Discord or Telegram backed by a configurable agent.

Quick start

1. 1

   Run the official install script from the README (macOS, Linux, WSL)

2. 2

   Or clone the repository to build from source

   git clone https://github.com/truffle-ai/dexto.git
3. 3

   Install dependencies and the CLI from the repo folder

   cd dexto && pnpm install && pnpm install-cli
4. 4

   Start Dexto; the setup wizard runs on first launch

   dexto

Things to know

• !The README marks the project as Beta, so breaking changes are possible.
• !Cloud models need your own provider API key, such as OpenAI or Anthropic.
• !The license is shown as Elastic 2.0 in the README badge, but the project metadata does not clearly specify a license.

Topics

FAQ

What is dexto?

An open-source agent harness in TypeScript for building stateful LLM agents, with a built-in coding agent, CLI, Web UI, and SDKs. Dexto is an agent harness: an orchestration layer that handles session state, tool calls, memory, and error recovery so that an LLM can act as a reliable agent. Agents are defined in YAML, so models, MCP servers, storage, and permissions can be changed without modifying code.

Is dexto free to use? What license does it have?

dexto is open source under the Other license. Check the license terms before using it in commercial products.

Is dexto still maintained?

Actively maintained. The last commit to dexto was on Oct 16, 2026.

What can I use dexto for?

Running a terminal or web-based coding agent that edits and tests a codebase. Building a domain-specific agent by writing a YAML config and connecting MCP tools. Exposing an agent backend through a REST and SSE API for a web frontend. Deploying a chat bot on Discord or Telegram backed by a configurable agent.

How do I install dexto?

Run the official install script from the README (macOS, Linux, WSL) Or clone the repository to build from source: git clone https://github.com/truffle-ai/dexto.git Install dependencies and the CLI from the repo folder: cd dexto && pnpm install && pnpm install-cli Start Dexto; the setup wizard runs on first launch: dexto

Where can I get dexto?

The source code and installation instructions are on GitHub: https://github.com/truffle-ai/dexto