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Agent Deck

Open source
AI Agents Updated Sep 16, 2026
Compared with 213 other AI Agents agents Open source Self-hostable Updated Sep 2026
Open Source Updated Sep 2026 Self-hostable

Pricing

Open Source

Completely free and open-source under the MIT license

Use cases

Rapidly testing code suggestions from different AI models Comparing output quality between coding assistants Maintaining persistent chat sessions with multiple AIs Integrating AI coding assistance into terminal-based workflows

Pros & cons

Pros

  • Lightweight terminal interface ideal for developers
  • Simplifies management of multiple AI coding sessions
  • Open-source and self-hostable for customization
  • Reduces context switching between different AI tools

Cons

  • Requires technical knowledge to set up and use
  • Limited to terminal interface (no GUI option)
  • Currently supports a specific set of AI models
  • Lacks advanced features like session persistence

Overview

Agent Deck is a terminal-based session manager that provides a unified text-based interface (TUI) for interacting with multiple AI coding assistants including Claude, Gemini, OpenCode, and Codex. It allows developers to efficiently switch between different AI agents within a single terminal environment, streamlining the coding assistance workflow.

Problem it solves

Eliminates the need to juggle multiple separate interfaces or browser tabs when working with different AI coding assistants during development.

Target audience: Developers and teams working with ai agents automation.

Inputs

  • User configuration
  • API credentials (if required)
  • Task parameters

Outputs

  • Automated task results
  • Status reports
  • Generated content or actions

Example workflow

  1. 1 User configures the agent with required parameters
  2. 2 Agent receives input data or trigger
  3. 3 Agent processes the request using its core logic
  4. 4 Agent interacts with external services if needed
  5. 5 Results are returned to the user

Sample system prompt


              You are Agent Deck, an AI assistant. Help the user accomplish their task efficiently.

            

Tools & technologies

LLM APIs Python

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FAQs

What is Agent Deck?
Agent Deck is a terminal-based session manager that provides a unified text-based interface (TUI) for interacting with multiple AI coding assistants including Claude, Gemini, OpenCode, and Codex. It allows developers to efficiently switch between different AI agents within a single terminal environment, streamlining the coding assistance workflow.
How much does Agent Deck cost?
Agent Deck's pricing model is Open Source. Completely free and open-source under the MIT license
What is Agent Deck used for?
Agent Deck is used for: Rapidly testing code suggestions from different AI models; Comparing output quality between coding assistants; Maintaining persistent chat sessions with multiple AIs; Integrating AI coding assistance into terminal-based workflows.
What are the best alternatives to Agent Deck?
Agent Deck is a AI Agents AI agent. Compare it with the best alternatives — ranked by features, pricing, and use case — on our Agent Deck alternatives page.
Is Agent Deck open source?
Yes, Agent Deck is open source.
Can Agent Deck be self-hosted?
Yes, Agent Deck can be self-hosted.
What skill level is required to use Agent Deck?
Agent Deck is designed for intermediate users.

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