htmx-skill

htmx-skill is a skill for Claude Code, Codex from danieleteti/delphi-ai-skills. It costs 73 tokens per session (3,627 once invoked), scanned A, original, Apache-2.0.

A reference for htmx, a web library that lets HTML trigger server requests and update page content without writing much JavaScript. It indexes the official documentation for attributes, events, request behavior, extensions, and the JavaScript API.

In plain words
What is it for?
Use it to find the correct official documentation page for an htmx attribute, trigger, swap modifier, event, request header, extension, API method, or worked example.
Why use it?
It reduces mistakes caused by relying on memory for htmx syntax and behavior.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to find the correct official documentation page for an htmx attribute, trigger, swap modifier, event, request header, extension, API method, or worked example.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/danieleteti/delphi-ai-skills/htmx-skill
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add danieleteti/delphi-ai-skills --skill htmx-skill
Clone the repo
git clone --depth 1 https://github.com/danieleteti/delphi-ai-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for htmx-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/danieleteti/delphi-ai-skills/htmx-skill/github.svg)](https://agentmods.dev/skills/danieleteti/delphi-ai-skills/htmx-skill)
Your own site
<a href="https://agentmods.dev/skills/danieleteti/delphi-ai-skills/htmx-skill"><img src="https://agentmods.dev/badge/skills/danieleteti/delphi-ai-skills/htmx-skill/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for htmx-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/danieleteti/delphi-ai-skills/htmx-skill"><img src="https://agentmods.dev/badge/skills/danieleteti/delphi-ai-skills/htmx-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,627 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00073 $0.03627
Opus 5 $0.00036 $0.01813
Sonnet 5 $0.00015 $0.00725
Haiku 4.5 $0.00007 $0.00363

Measured 11d ago against content hash 66f6902ac9fe, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

htmx-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/htmx-skill/SKILL.md · 271 lines

How it starts

The opening of the file, as written. The whole thing — 271 lines — stays where its author put it; the contents beside it link to each section on GitHub.

htmx Reference

Use the index below to open the most specific page for the user's question: read the linked htmx.org page (WebFetch) instead of answering from memory — htmx's attribute semantics, inheritance rules and swap modifiers are easy to misremember.

The descriptions below exist so you can pick the right page before fetching anything. If nothing in the index matches, start from https://htmx.org/reference/ (the one-page reference of every attribute, header, event and modifier).

Reference Index

General

  • Events: Documentation page

  • Javascript API: This documentation describes the JavaScript API for htmx, including methods and properties for configuring the behavior of htmx, working with CSS classes, AJAX requests, event handling, and DOM manipulation. The API provides helper functions primarily intended for extension development and event management.

Attributes

  • hx-boost: The hx-boost attribute in htmx enables progressive enhancement by converting standard HTML anchors and forms into AJAX requests, maintaining graceful fallback for users without JavaScript while providing modern dynamic page updates for those with JavaScript enabled.

  • hx-confirm: The hx-confirm attribute in htmx provides a way to add confirmation dialogs before executing requests, allowing you to protect users from accidental destructive actions. This documentation explains how to implement confirmation prompts and customize their behavior through event handling.

  • hx-delete: The hx-delete attribute in htmx will cause an element to issue a DELETE request to the specified URL and swap the returned HTML into the DOM using a swap strategy.

  • hx-disable: The hx-disable attribute in htmx will disable htmx processing for a given element and all its children.

Read the full file on GitHub · 271 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 271 lines · 73 tokens per session scan A 66f6902ac9fe

Subscribe to this mod's changes

htmx-skill is a skill published in the GitHub repository danieleteti/delphi-ai-skills (18 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 73 tokens to every session and 3,627 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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