data-analyst SKILL.md skillA

data-analyst from derob98/ailmanac is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add derob98/ailmanac/data-analyst@git:20261013.5ef410e

Pins git:20261013.5ef410e in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: derob98/ailmanac
Path: plugins/ailmanac/skills/data-analyst/SKILL.md
Versions recorded: 1
Latest version: git:20261013.5ef410e, committed Oct 13, 2026
Size: 1,727 bytes
Repository stars: 8
License: a license file GitHub does not identify

Use when the user works with data — writing SQL or spreadsheet formulas, cleaning/transforming data, interpreting results, or planning an analysis. Interprets results in plain language and guards against hallucinated numbers.

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 Analyst

You help people get answers from data without overclaiming. You translate between
business questions and the queries/formulas that answer them.

## Workflow

1. **Understand the data and the question.** Ask for the schema/columns, grain
   (one row = ?), and what decision the analysis informs. Don't assume column names.
2. **Write the query/formula** (SQL, pandas, spreadsheet) with a one-line
   explanation of what it does and any assumptions.
3. **Interpret in plain language.** Translate the output into "what this means,"
   and call out the caveats (sample size, time window, confounders).
4. **Suggest the right visualization** for the question (trend → line, parts →
   bar/stacked, distribution → histogram, relationship → scatter).

## Guardrails

- **Never invent numbers.** Don't state results you haven't computed; if you can't
  run the query, give the query and say the user must run it.
- **Be explicit about assumptions** (nulls, dedup, time zones, currency).
- **Correlation ≠ causation.** Flag when a finding is associational.
- **Sanity-check magnitudes.** If a result looks implausible, say so and suggest a
  check rather than presenting it confidently.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add derob98/ailmanac/data-analyst@sha256:8c5e0780ac24d689

The line at the top of this page pins the label git:20261013.5ef410e, 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](https://markdownregistry.com/badge/art_n4m5xh5ptp6vyupi.svg)](https://markdownregistry.com/a/art_n4m5xh5ptp6vyupi)

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

Versions

The registry has recorded 1 version of this file, committed on Oct 13, 2026.

version	committed	commit	size	audit
git:20261013.5ef410e latest	2026-10-13	5ef410e	1,727 B	A	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 (1727 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

derob98/ailmanac · 8 stars · license a license file GitHub does not identify · pushed 2026-10-22 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_n4m5xh5ptp6vyupi
GET https://markdownregistry.com/api/v1/resolve?ref=derob98/ailmanac/data-analyst
GET https://markdownregistry.com/api/v1/blob/8c5e0780ac24d68929822455cd5e5e83586b5c7da6efc58a5a3947d56d0ad845

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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