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Aider

Pair programs with an LLM in your terminal, editing files in your git repo and committing each change

Install with pip and aider-install

python -m pip install aider-install
aider-install

Copied from the project's docs at aider.chat/docs/install.html

Why you'd want it

Aider builds a map of your whole codebase so it can work in larger projects, and it commits its changes to git with descriptive messages so you can diff and undo them with normal git tools. It connects to most cloud LLMs and to local models, can lint and test after every edit and fix what fails, and also takes requests from comments you add in your editor. Images, web pages and voice input can be added to the chat.

Best for

  • Git-centric terminal workflows
  • Bring-your-own-model setups, including local models
  • Editing existing codebases

Use it when

You want an agent that records every change as a git commit and lets you choose the model provider, including local models.

Skip it if

You want an IDE-native agent with visual diffs, or you do not want to manage your own model API keys.

Related tools

Same category or shared tags, by drop score.

  1. Rank 1

    Claude Code

    Coding agent

    Reads your codebase, edits files, runs commands and handles git work from the terminal, IDE, desktop or web

    • score 99
    • 151k stars
    • pushed
    • v2.1.300 on
    • Proprietary

    Install with the native installer (macOS, Linux, WSL)

    curl -fsSL https://claude.ai/install.sh | bash
    When to use it, when to skip it

    Why you'd want it

    Claude Code runs in the terminal, VS Code, JetBrains IDEs, a desktop app and the browser, and every surface shares the same CLAUDE.md files, settings and MCP servers. It plans multi-file changes, runs tests, stages commits and opens pull requests, and it can read an existing AGENTS.md. Subagents, skills, hooks and a non-interactive claude -p mode let you script it in CI, and the Agent SDK exposes the same tools for building your own agents.

    Best for

    • Developers who want one agent across terminal and IDE
    • Teams automating PR review and issue triage in CI
    • Builders working with Claude models

    Use it when

    You want an agent that works across a whole repo, runs your tools and handles git, and you have a Claude subscription or Anthropic Console account.

    Skip it if

    You need an open-source agent or have no Claude subscription or Anthropic Console account; Claude Code is proprietary and most surfaces require one of them.

    Full stat block for Claude Code

  2. Rank 2

    OpenAI Codex CLI

    Coding agent

    Runs OpenAI's coding agent locally to inspect your repo, edit files and run commands from the terminal

    • score 99
    • 129k stars
    • pushed
    • rust-v0.162.1 on
    • Apache-2.0

    Install with the standalone installer (macOS, Linux)

    curl -fsSL https://chatgpt.com/codex/install.sh | sh
    When to use it, when to skip it

    Why you'd want it

    Codex CLI works against your local repository with the tools already installed on your machine, and you choose the model, reasoning effort, permissions and sandbox for each run. You can use it interactively or call codex exec from scripts and CI, run a review against uncommitted changes, a commit or a base branch, add MCP servers with codex mcp, and hand work off to Codex cloud. You sign in with a ChatGPT plan or use an API key.

    Best for

    • ChatGPT Plus, Pro, Business, Edu or Enterprise users
    • Scripted runs in CI with codex exec
    • Reviewing changes before a commit

    Use it when

    You want a terminal coding agent on OpenAI models with control over sandboxing and approvals, and you have a ChatGPT plan or OpenAI API key.

    Skip it if

    You have neither a ChatGPT plan nor an OpenAI API key, or you would rather work in an editor, where OpenAI points you to its IDE extension or the Codex app.

    Full stat block for OpenAI Codex CLI

  3. Rank 8

    OpenCode

    Coding agent

    Runs an open-source coding agent in your terminal, desktop app or browser with the LLM provider you choose

    • score 87
    • 214k stars
    • pushed
    • v1.19.0 on
    • MIT

    Install OpenCode 2 with npm

    npm install -g @opencode/cli
    When to use it, when to skip it

    Why you'd want it

    OpenCode has two built-in agents you switch between with Tab: build, with full access for development work, and plan, which is read-only, denies file edits by default and asks before running bash commands. It supports many LLM providers out of the box, connected from the TUI with /connect, and extends through MCP servers, plugins, agent skills and custom commands. The team also sells OpenCode Go, a subscription for open-source models, but you can use your own provider keys instead.

    Best for

    • Terminal users who want provider choice
    • Separating read-only planning from editing
    • Using the same agent from a TUI, desktop app or web UI

    Use it when

    You want an MIT-licensed coding agent that works with many model providers and offers a TUI, a desktop app and a local web interface.

    Skip it if

    You install CLI tools through Windows package managers, which OpenCode 2 does not support; also note OpenCode 1 and 2 cannot be installed side by side under the default command.

    Full stat block for OpenCode

For agents

The same entry, as files an agent can read without scraping this page. 

# read one entry
curl -s https://agenttooldrop.com/tools/aider.md

# list the MCP servers in the catalog
curl -s https://agenttooldrop.com/tools.json \
  | jq -r '.tools[] | select(.category=="mcp-server") | .slug'