python-patterns

python-patterns is a skill for Claude Code from mindcockpit-ai/cognitive-core. It costs 0 tokens per session (3,228 once invoked), scanned A, original, no licence file.

A set of patterns for building Python web APIs with FastAPI, SQLAlchemy, and Pydantic. FastAPI is a Python web framework, SQLAlchemy connects code to databases, and Pydantic checks data structures.

In plain words
What is it for?
Use it when creating API endpoints, database access, request validation, and related Python backend code.
Why use it?
It provides a consistent approach to structuring modern asynchronous Python APIs.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it when creating API endpoints, database access, request validation, and related Python backend code.

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Install with agentmods
npx agentmods add skills/mindcockpit-ai/cognitive-core/python-fastapi
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add mindcockpit-ai/cognitive-core --skill python-fastapi
Clone the repo
git clone --depth 1 https://github.com/mindcockpit-ai/cognitive-core

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for python-patterns

README.md
[![agentmods](https://agentmods.dev/badge/skills/mindcockpit-ai/cognitive-core/python-fastapi/github.svg)](https://agentmods.dev/skills/mindcockpit-ai/cognitive-core/python-fastapi)
Your own site
<a href="https://agentmods.dev/skills/mindcockpit-ai/cognitive-core/python-fastapi"><img src="https://agentmods.dev/badge/skills/mindcockpit-ai/cognitive-core/python-fastapi/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for python-patterns

Your own site · 80×15
<a href="https://agentmods.dev/skills/mindcockpit-ai/cognitive-core/python-fastapi"><img src="https://agentmods.dev/badge/skills/mindcockpit-ai/cognitive-core/python-fastapi.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,228 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.03228
Opus 5 $0.00000 $0.01614
Sonnet 5 $0.00000 $0.00646
Haiku 4.5 $0.00000 $0.00323

Measured 7d ago against content hash a31423dd2f81, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

python-patterns scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

| `requests.get()` in async | Blocks event loop | `httpx.AsyncClient` |
skills/cellular/templates/python-fastapi/SKILL.md · 483 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 483 lines · 0 tokens per session scan A a31423dd2f81

Subscribe to this mod's changes

python-patterns is a skill published in the GitHub repository mindcockpit-ai/cognitive-core (11 stars, last pushed 2mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 3,228 tokens. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.