Frappe Errors API

Q: What is a Claude Code skill and how does the Frappe Errors API skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Frappe Errors API is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: web-security · Last updated: 2026-08-02

Use when debugging or handling API errors in Frappe/ERPNext v14/v15/v16. Prevents silent failures and wrong HTTP status codes in REST endpoints. Covers 401 Unauthorized (wrong token format, expired OAuth), 403 Forbidden (missing @whitelist, allow_guest needed), 404 Not Found (wrong endpoint URL), 417 Expectation Failed (validation via frappe.throw), 500 Internal Server Error, CORS issues, CSRF token missing/invalid, rate limit exceeded (429), file upload failures, JSON parse errors in request/response, webhook delivery failures, and timeout on long operations. Keywords: API error, 401, 403, 404, 417, 429, 500, CSRF, CORS, REST, whitelist, webhook, rate limit, file upload, authentication token.

Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Frappe Errors API includes pricing or quota commentary; 28 code blocks for direct copy-paste. At roughly 1,704 words the SKILL.md is on the longer end of the catalog distribution.

Source: majiayu000.github.io/claude-skill-registry
License: MIT
Original author: majiayu000
Indexed lastmod: 2026-08-02
Catalog position: Security · web-security
Indexed related skills: 10

How Frappe Errors API fits the catalog

Frappe Errors API sits in the Security category under the web-security sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

For API implementation patterns see frappe-core-api. For permission errors see frappe-errors-permissions.

What this skill does

Frappe Errors API is a community-contributed Claude Code skill in the web-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/frappe-errors-api/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when debugging or handling API errors in Frappe/ERPNext v14/v15/v16. Prevents silent failures and wrong HTTP status codes in REST endpoints.

Who uses this skill

The Frappe Errors API Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 174,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/frappe-errors-api
curl -L https://claudskills.com/skills/frappe-errors-api/SKILL.md \
  -o ~/.claude/skills/frappe-errors-api/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/frappe-errors-api/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/frappe-errors-api/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\frappe-errors-api\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Frappe Errors API Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/frappe-errors-api/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Frappe Errors API skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Frappe Errors API skill?

Use Frappe Errors API when your Claude Code task falls under the Security category — specifically in the web security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Frappe Errors API" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Frappe Errors API skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Frappe Errors API is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/api/frappe-errors-api/SKILL.md
License: MIT
Author: majiayu000
Website: https://majiayu000.github.io/claude-skill-registry/

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

majiayu000. (2026). Frappe Errors API [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/frappe-errors-api/

BibTeX

@misc{frappe-errors-api-2026,
  author    = {majiayu000},
  title     = {Frappe Errors API [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/frappe-errors-api/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/frappe-errors-api.svg)](https://claudskills.com/skills/frappe-errors-api/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-08-02 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/frappe-errors-api/#security)

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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