Elixir Agent Tools plugin for Codex

Name: Elixir Agent Tools
Author: georgeguimaraes

CommunityPluginDeveloper Tools

Elixir development skills with optional Mix checks and Expert language server integration

How to install Elixir Agent Tools in Codex

✓ Install-checked in Codexchecked Oct 25, 2026 · 5 skills, 3 hooks proof

1. Add the repo as a Codex plugin marketplace:

codex plugin marketplace add georgeguimaraes/elixir-agent-tools

2. Install the plugin from it:

codex plugin add <plugin>@elixir-agent-tools

This repo ships a Codex marketplace file (.agents/plugins/marketplace.json). The first command adds it as a marketplace (Codex CLI reference); the second installs a plugin from it: replace <plugin> with one of the names listed under 'What it contains'. 'elixir-agent-tools' is the marketplace name from that file. Check the repo README too. Command format: Codex CLI reference.

What it contains

Plugins in this marketplace (4)

elixir-dev — Development guidance for Elixir, Phoenix, Ecto, OTP, and Oban
mix-format — Auto-format Elixir files with mix format after edits
mix-compile — Run mix compile --warnings-as-errors after editing Elixir files
mix-credo — Run mix credo after editing Elixir files to check code quality

About this listing

Elixir Agent Tools is a community plugin on GitHub by georgeguimaraes. Its README documents a Codex install and the repo ships a Codex plugin manifest. It passed the CodexStacks quality filter for repos found this way (at least 100 stars, pushed in the last 90 days, not a fork or a list). OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review). From its files we found 4 plugins. It's one of 441 listings in the Developer Tools category.

Elixir Agent Tools FAQ

How do I install Elixir Agent Tools in Codex?

Add the repo as a Codex plugin marketplace with codex plugin marketplace add georgeguimaraes/elixir-agent-tools, then install it with codex plugin add <plugin>@elixir-agent-tools. Commands: the command format from the Codex CLI reference; check the repo README too.

Is Elixir Agent Tools an official Codex plugin?

No. Elixir Agent Tools is a community repo on GitHub by georgeguimaraes. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it, but it passed our Codex install check on Oct 25, 2026 (an install and load check, not a code review), so read the code before you install it.

What does Elixir Agent Tools include?

From its manifest and repo files, Elixir Agent Tools includes 4 plugins: elixir-dev, mix-format, mix-compile, mix-credo.

Details

Type: Plugin
Category: Developer Tools
Source: Community
Author: georgeguimaraes
License: Apache-2.0
GitHub stars: 193 (at last sync)
Last push: 2026-09-20
Manifest: .agents/plugins/marketplace.json
GitHub topics: claude-code, claude-code-plugin, claude-code-skills, ecto, elixir, marketplace, oban, otp, phoenix
Source: https://github.com/georgeguimaraes/elixir-agent-tools
Listed via: GitHub search: README documents a Codex install
Install check by CodexStacks: Passed on Oct 25, 2026 with Codex CLI 0.163.0: Codex loaded its skills. proof · how we check

Something wrong or missing? Submit or improve this listing. Listings also refresh automatically every night.

For maintainers: badge and embeds

Maintain Elixir Agent Tools? Add the badge; it links to this page.

Markdown

[![Listed on CodexStacks](https://codexstacks.com/badge.svg)](https://codexstacks.com/p/elixir-agent-tools/)

HTML

<a href="https://codexstacks.com/p/elixir-agent-tools/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>

Embed card (static HTML and inline CSS, no JavaScript). Preview:

Elixir Agent ToolsCommunity Codex plugin · 4 pluginsElixir development skills with optional Mix checks and Expert language server integrationView on CodexStacks →

<a href="https://codexstacks.com/p/elixir-agent-tools/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">Elixir Agent Tools</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin · 4 plugins</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Elixir development skills with optional Mix checks and Expert language server integration</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[Elixir Agent Tools on CodexStacks](https://codexstacks.com/p/elixir-agent-tools/)**: Community Codex plugin with 4 plugins.

More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.

Also in Developer Tools

Rea

Reverse engineer anything with agents, from app behavior down to native binaries.

CommunityPluginDeveloper Tools

Skills (mattpocock)

Skills for Real Engineers. Straight from my .agents directory.

CommunitySkillDeveloper Tools

Agents

Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi

CommunityPluginDeveloper Tools

Playwright MCP

Playwright MCP server

CommunityConnectorDeveloper Tools

Nuwa Skill

你想蒸馏的下一个员工，何必是同事。蒸馏任何人的思维方式——心智模型、决策启发式、表达DNA。Distill how anyone thinks.

CommunitySkillDeveloper Tools

Oh My Codex

OmX - Oh My codeX: Your codex is not alone. Add hooks, agent teams, HUDs, and so much more.

CommunityPluginDeveloper Tools

All 441 developer tools listings →