frappe-impl-controllers SKILL.md skillA
frappe-impl-controllers from impertio-studio/frappe_claude_skill_package is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add impertio-studio/frappe_claude_skill_package/frappe-impl-controllers@v2.0Pins v2.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- impertio-studio/frappe_claude_skill_package
- Path
skills/source/impl/frappe-impl-controllers/SKILL.md- Versions recorded
- 3
- Latest version
- v2.0, committed Mar 30, 2026
- First version recorded
- Mar 20, 2026
- Size
- 11,443 bytes
- Repository stars
- 202
- License
- a license file GitHub does not identify
Use when building Document Controllers in a custom Frappe app: file creation, lifecycle hooks, validation, autoname, submittable workflows, controller override, child table controllers, flags system, migration from hooks.py and Server Scripts. Keywords: how to implement controller, which hook to use, validate vs on_update, override controller, submittable document, autoname, flags, extend_doctype_class, controller testing, child table controller, which hook to use, when does validate run, how…
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
# Document Controllers — Implementation Workflows
Step-by-step workflows for building server-side DocType logic with full Python power. For exact syntax, see `frappe-syntax-controllers`.
**Version**: v14/v15/v16 | **v15+**: Supports auto-generated type annotations
## Quick Decision: Controller vs Server Script?
```
NEED full Python (imports, classes, generators)? → Controller
NEED external libraries (requests, pandas)? → Controller
NEED try/except with rollback? → Controller
NEED frappe.enqueue() for background jobs? → Controller
NEED to extend standard ERPNext DocType? → Controller
Quick validation without custom app? → Server Script
Simple auto-fill or notification? → Server Script
```
**Rule**: ALWAYS use Controllers when you need a custom app. ALWAYS use Server Scripts for no-code prototyping.
## Workflow 1: Create a New Controller
**Step 1**: Create DocType via Frappe UI or `bench new-doctype`
**Step 2**: File is auto-generated at:
```
apps/myapp/myapp/{module}/doctype/{doctype_name}/{doctype_name}.py
```
**Step 3**: Implement the controller class:
```python
import frappe
…Read the whole file at its exact version.
How to install
mdr add impertio-studio/frappe_claude_skill_package/frappe-impl-controllers@sha256:ed07824554094baeThe line at the top of this page pins the label v2.0, 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.
[](https://markdownregistry.com/a/art_rou33botqg2j3zc4)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Mar 20, 2026 and Mar 30, 2026, about one every 5 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v2.0 latest | 2026-03-30 | d83dc82 | 11,443 B | A | view · diff |
| v2.0 | 2026-03-20 | e33a3db | 11,356 B | A | view · diff |
| v2.0 | 2026-03-20 | 191313a | 11,809 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (11443 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
impertio-studio/frappe_claude_skill_package · 202 stars · license a license file GitHub does not identify · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_rou33botqg2j3zc4 GET https://markdownregistry.com/api/v1/resolve?ref=impertio-studio/frappe_claude_skill_package/frappe-impl-controllers GET https://markdownregistry.com/api/v1/blob/ed07824554094bae101677dd7d9a394614aab718615f6c25268d698af17af0e3
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