# Broken Link 404 Error

> Address broken links and missing resources. Use when a customer reports a 404 or a link to course or website content is not working.

- Skill: `majiayu000/broken-link-404-error` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/broken-link-404-error`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/broken-link-404-error/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/broken-link-404-error

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# Broken Link or 404 Error

## Response Patterns (from samples)

Common openings:
- "Hi,"
- "Hey,"
- "Hello! A fix for the invoice has been sent out. Can you retry https://epicreact.dev/invoice/ and let me know if that works for you?"

Common core lines:
- "Best,"
- ">>"
- "Hi,"

Common closings:
- "Best,"
- "Thanks for the heads up! We'll look into this ASAP."
- "Thanks for the heads up! Everything should be back up and running smoothly now. Let us know if that's not the case."

## Phrases That Work (4-gram frequency)

- "for the heads up" — 61 (25.8%)
- "thanks for the heads" — 58 (24.6%)
- "let me know if" — 44 (18.6%)
- "the heads up we'll" — 17 (7.2%)
- "me know if you" — 15 (6.4%)
- "let us know if" — 15 (6.4%)
- "heads up we'll look" — 14 (5.9%)
- "up we'll look into" — 14 (5.9%)
- "know if you have" — 13 (5.5%)
- "should be able to" — 13 (5.5%)

## Tone Guidance (observed)

- Openings trend toward: "Hi,"
- Closings often include: "Best,"

## What NOT To Do

- Don't introduce policy details that are not present in the verified response lines above.
- Don't paraphrase or reframe the customer's question in a way that changes meaning.
- Don't add refund/discount promises unless they appear in the extracted responses for this topic.

## Validation

Draft must:
- [ ] Include at least one of the required phrases from the validation block
- [ ] Stay consistent with the observed response patterns above
- [ ] NOT introduce policy details that are not present in the verified response lines above.