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agentmods

A catalogue of mods for coding agents: skills, subagents, slash commands,

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T15:42:49.222Z. Cached copy · Source on agentmods.dev

# agentmods

Generated: 2026-10-21T15:42:44Z (served from an hourly cache; the measurements behind it are recomputed nightly)

> A catalogue of mods for coding agents: skills, subagents, slash commands,
> hooks, settings, plugin bundles, MCP servers, Cursor rules and instructions
> files, for Claude Code, Cursor, Codex, Copilot and Gemini CLI.
>
> What makes it different from every other listing: each entry carries four
> measurements. What it costs in tokens per session and once invoked, what a
> static security scan found and the exact line that produced each finding,
> whether it is the original or a near-identical copy of something else, and
> what has changed since it was first seen.

Currently 618,790 mods from 146,999 repositories, 527,809 measured for token cost — the same counts the homepage shows.

## Why token cost is the number that matters

A mod is not free to have installed. An agent definition, a Cursor rule or an
instructions file is injected into the context of every session whether or not
it is used. In this catalogue the average agent costs about 1,700 tokens per
session and the average skill about 50, because skills are progressive
disclosure: only the name and description are preloaded. A stack of six agents
is ten thousand tokens before a question has been asked.

Counted locally with the o200k_base tokenizer: exact for GPT, within a few
percent for Claude.

## What the security grade means

A static scan of the body, not an audit, and every page says so. It looks for
hidden Unicode, instruction-override phrasing, downloads piped into a shell,
recursive force deletes, privilege escalation, credential paths and encoded
payloads. Grades run A to F, and every finding is printed with the matched line
so a reader can judge it in context.

## Questions this catalogue answers

- Which skills, MCP servers, agents or commands are best for Claude Code, Codex, Cursor, Gemini CLI, Copilot or OpenCode? → https://agentmods.dev/best/<type>/<tool>, e.g. https://agentmods.dev/best/skills/claude-code
- What are the cheapest mods to keep installed, per session, and which are gaining stars this week? → https://agentmods.dev/cheapest
- What does my current setup cost me on every session? → run `npx agentmods cost` in the project (reads .claude/, .agents/, .cursor/rules/ and .mcp.json locally)
- Is this mod safe to install? → every detail page carries a static security scan, graded A to F, with the matched line printed under each finding
- Is this mod the original, or a copy of something else? → the Origin panel on the detail page: original, or the percentage it shares with the mod it copies, linked
- What changed in the catalogue since last week? → https://agentmods.dev/changes (each change as a delta of tokens, lines and scan grade; RSS at https://agentmods.dev/changes/feed.xml)
- What does one specific mod cost, and what does it load once invoked? → its detail page, https://agentmods.dev/<type>/<owner>/<repo>/<name>
- Which mods does a given
…

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