Data analysis SKILL.md skillA

Data analysis from oleafly/oleafly is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add oleafly/oleafly/Data analysis@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
oleafly/oleafly
Path
src-tauri/resources/skills/oleafly-data-analysis/SKILL.md
Versions recorded
1
Latest version
v1.0.0, committed Sep 5, 2026
Size
12,594 bytes
Repository stars
258
License
AGPL-3.0

Take data files that live in the project through to numbers, figures, and tables in the manuscript. Picks the method with the statistics skills, runs it as a saved script rather than an inline command, writes figures to figures/ and LaTeX tables to tables/, and reports effect sizes and confidence intervals in APA style.

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

# Data analysis

This skill connects two things the project already has: data files sitting in a folder, and
a results section that needs numbers in it. It owns the plumbing (environment, scripts,
outputs, reproducibility) and delegates the statistics to the skills that know them.

Three rules:

- **Raw data is read only.** Never overwrite, filter, or clean a file in place. Derived
  data goes to `analysis/out/`.
- **Analyses live in files, not in command lines.** Write `analysis/<name>.py` with
  `write_file`, then run it. A one-line `python3 -c` is unreviewable, unrepeatable, and
  dies with the tool call.
- **Every number in the manuscript comes from a script that is still in the repository.**
  If you cannot point at the script and the seed that produced a number, the number does
  not go in.

## 1. Check the environment, once

```sh
python3 -VV && python3 -c "import numpy, pandas; print(numpy.__version__, pandas.__version__)"
```

Then check whatever the chosen method needs, in one more call:

```sh
python3 -c "import scipy, statsmodels, matplotlib; print(scipy.__version__, statsmodels.__version__, matplotlib.__version__)"
```
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add oleafly/oleafly/Data analysis@sha256:acd45cbe42292193

The line at the top of this page pins the label v1.0.0, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_q4pvwhgxep2ffcvp.svg)](https://markdownregistry.com/a/art_q4pvwhgxep2ffcvp)

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

Versions

The registry has recorded 1 version of this file, committed on Sep 5, 2026.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-09-05 77b0587 12,594 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 (12594 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

oleafly/oleafly · 258 stars · license AGPL-3.0 · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_q4pvwhgxep2ffcvp
GET https://markdownregistry.com/api/v1/resolve?ref=oleafly/oleafly/Data analysis
GET https://markdownregistry.com/api/v1/blob/acd45cbe42292193ca99ad513c110087c511f999b8b03146463a1c8ce764b1e8

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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