5 CLI Software Engineer Assistant AI agent(s) in Software Development.
Provider: Aider
A pair‑programming style CLI agent that lets developers work on new projects or existing codebases via terminal interaction. Supports natural language prompts to create or update code, with multi-step workflows initiated directly in the shell.
Free (API costs)
Use AgentProvider: Anthropic
Claude Code is a CLI tool that lives in your terminal and acts as an agentic coding assistant. It understands project structure, can autonomously make edits, run tests, create commits and pull requests, search through code and git history, and fetch external documentation—all via natural language commands.
$6/day - API-based
Use AgentProvider: Codebuff, Inc Manicode (old name)
Its intended to assist in various coding tasks, including building features, writing unit tests, refactoring code, creating scripts, and providing advice, all while understanding the entire codebase context. The developers emphasize that Codebuff allows users to focus more on high-level architecture and design rather than implementation details, potentially increasing productivity and creativity in software development [source].
Freemium
Use AgentProvider: Google
An open-source terminal AI agent powered by Gemini 2.5 Pro offering a range of developer-oriented functions—coding, debugging, research, automation, multimedia generation—and supports advanced tools and protocol integration (MCP, Google Search, tooling ecosystem) in the terminal environment.
Free
Use AgentProvider: Warp Inc.
Warp AI integrates AI-powered agents directly into the Warp terminal, enabling developers to convert natural-language prompts into shell commands, receive error diagnostics, generate complex scripts, navigate code history, and build reusable workflows. It supports features like Agent Mode (local detection and OpenAI usage), multi-step task chaining, context-aware command suggestions, and shared execution histories (Warp Drive).
Free tier and then from $15/month
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