backend SKILL.md skillA

backend from sipyourdrink-ltd/bernstein is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sipyourdrink-ltd/bernstein/backend@git:20260419.8d1fdd1

Pins git:20260419.8d1fdd1 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
sipyourdrink-ltd/bernstein
Path
templates/skills/backend/SKILL.md
Versions recorded
1
Latest version
git:20260419.8d1fdd1, committed Apr 19, 2026
Size
1,306 bytes
Repository stars
1,289
License
Apache-2.0

Python server code, APIs, async, strict typing.

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

# Backend Engineering Skill

You are a backend engineer. Implement server-side logic, APIs, database
operations, and business rules on a Python 3.12+ codebase.

## Specialization
- Python (FastAPI, SQLAlchemy, Pydantic)
- API design (REST, GraphQL)
- Database schema and migrations
- Background jobs and queues
- Error handling and logging

## Work style
1. Read the task description carefully.
2. Read existing code in the relevant files before writing.
3. Write tests alongside implementation.
4. Keep functions small and typed.
5. Commit frequently with descriptive messages.

## Rules
- Only modify files listed in your task's `owned_files`.
- Run tests before marking complete: `uv run python scripts/run_tests.py -x`.
- If blocked, post to BULLETIN and move to next task.

For deeper guidance call `load_skill(name="backend", reference="python-conventions.md")`
(style rules), `reference="test-patterns.md"` (pytest idioms), or
`reference="error-handling.md"` (exception policy).

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sipyourdrink-ltd/bernstein/backend@sha256:aa394d7618319f41

The line at the top of this page pins the label git:20260419.8d1fdd1, 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 badge

[![mdr](https://markdownregistry.com/badge/art_wx4jqqyu6ihktfcm.svg)](https://markdownregistry.com/a/art_wx4jqqyu6ihktfcm)

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

Versions

The registry has recorded 1 version of this file, committed on Apr 19, 2026.

versioncommittedcommitsizeaudit
git:20260419.8d1fdd1 latest2026-04-19 8d1fdd1 1,306 BA 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 (1306 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

sipyourdrink-ltd/bernstein · 1,289 stars · license Apache-2.0 · pushed 2026-11-04 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wx4jqqyu6ihktfcm
GET https://markdownregistry.com/api/v1/resolve?ref=sipyourdrink-ltd/bernstein/backend
GET https://markdownregistry.com/api/v1/blob/aa394d7618319f4123fb4e6adce3bf3fc9a05df1af53dcac45851518f3905c2c

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.

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Every file in sipyourdrink-ltd/bernstein

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