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github-url-intercept SKILL.md skillA

github-url-intercept from rjmurillo/ai-agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add rjmurillo/ai-agents/github-url-intercept@v2.1.0

Pins v2.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: rjmurillo/ai-agents
Path: .claude/skills/github-url-intercept/SKILL.md
Versions recorded: 5
Latest version: v2.1.0, committed Sep 25, 2026
First version recorded: Jul 22, 2026
Size: 15,118 bytes
Repository stars: 48
License: MIT

BLOCKING INTERCEPT: When ANY github.com URL appears in user input, STOP and use this skill. Never fetch GitHub HTML pages directly - they are 5-10MB and will exhaust your context window. This skill routes URLs to efficient API calls (1-50KB). Triggers on: gist.github.com, gist.githubusercontent.com, pull/, issues/, blob/, tree/, commit/, compare/. Use when you paste a GitHub URL, say "analyze this PR", "look at this issue", or "what does this commit do". Do NOT use for creating PRs, posting…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# GitHub URL Intercept

> **CRITICAL**: This skill activates AUTOMATICALLY when you see ANY `github.com` URL.
> Do NOT use `web_fetch`, `curl`, or any browser-based fetch on GitHub URLs.
> Doing so wastes 1-2.5 MILLION tokens on HTML that provides no useful data.

**MANDATORY BEHAVIOR**: Parse the URL → Route to API → Return structured JSON.

---

## Quick Reference (Copy-Paste Commands)

**When you see a GitHub URL, use these commands immediately:**

```bash
SCRIPTS_DIR="${CLAUDE_PLUGIN_ROOT:-.claude}/skills/github/scripts"

# PR URL → Use this
python3 "$SCRIPTS_DIR/pr/get_pr_context.py" --pull-request {n} --owner {owner} --repo {repo}

# Issue URL → Use this
python3 "$SCRIPTS_DIR/issue/get_issue_context.py" --issue {n} --owner {owner} --repo {repo}

# File/blob URL → Use this
gh api repos/{owner}/{repo}/contents/{path}?ref={ref}

# Commit URL → Use this
gh api repos/{owner}/{repo}/commits/{sha}

# Gist URL → Use this
gh api gists/{id}

# Comment fragment (#discussion_r{id}) → Use this
gh api repos/{owner}/{repo}/pulls/comments/{id}
```

---

## Triggers

| Phrase | Action |
|--------|--------|
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add rjmurillo/ai-agents/github-url-intercept@sha256:70ecfa4247111eea

The line at the top of this page pins the label v2.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

[![mdr](https://markdownregistry.com/badge/art_g2nfhfsbkayrifs3.svg)](https://markdownregistry.com/a/art_g2nfhfsbkayrifs3)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Jul 22, 2026 and Sep 25, 2026, about one every 16 days.

version	committed	commit	size	audit
v2.1.0 latest	2026-09-25	3fda96c	15,118 B	A	view · diff
v2.1.0	2026-09-23	f45e807	14,947 B	A	view · diff
v2.1.0	2026-08-15	944427e	14,905 B	A	view · diff
v2.1.0	2026-08-14	e60e3b8	14,864 B	A	view · diff
v2.1.0	2026-07-22	e7a63be	13,751 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (15118 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

rjmurillo/ai-agents · 48 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_g2nfhfsbkayrifs3
GET https://markdownregistry.com/api/v1/resolve?ref=rjmurillo/ai-agents/github-url-intercept
GET https://markdownregistry.com/api/v1/blob/70ecfa4247111eead0ffbd57e73a1b07e8be3ff61e14aace5856a6182bc41ed6

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.