nicepkg/ai-workflow · workflows/stock-trader-workflow/.claude/skills/backtest-expert/SKILL.md

backtest-expert skillA

backtest-expert is agent-read markdown (skill) from nicepkg/ai-workflow: Expert guidance for systematic backtesting of trading strategies. Use when developing, testing, stress-testing, or validating quantitative trading strategies. Covers "beating ideas to death" methodology, parameter robustness testing, slippage modeling, bias prevention, and interpreting backtest results. Applicable when user asks about backtesting, strategy validation, robustness testing, avoiding overfitting, or systematic trading development..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add nicepkg/ai-workflow/backtest-expert@git:20260118.be84779
Exact content
mdr add nicepkg/ai-workflow/backtest-expert@sha256:14a4592ceb8064a4

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_mw5jck3vjpsogqc3.svg)](https://markdownregistry.com/a/art_mw5jck3vjpsogqc3)

0 badge views in 30 days

Versions

versioncommittedcommitsizeaudit
git:20260118.be84779 latest2026-01-18 be84779 7,789 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (7789 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

nicepkg/ai-workflow · 283 stars · license MIT · pushed 2026-01-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_mw5jck3vjpsogqc3
GET https://markdownregistry.com/api/v1/resolve?ref=nicepkg/ai-workflow/backtest-expert
GET https://markdownregistry.com/api/v1/blob/14a4592ceb8064a4431294303cc7e78b4237a067575e822f6efd77acf52318fc

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.