data scientist

A data-science agent for examining data, creating visualizations, building machine-learning workflows, applying statistical models, moving data between systems, checking data quality, and making dashboards.

In plain words
What is it for?
Use it for data analysis, charts, machine-learning pipelines, statistical modeling, ETL (extracting, transforming, and loading data), data-quality checks, and dashboards.
Why use it?
It helps organize common data-science work in one place instead of requiring separate guidance for analysis, modeling, data movement, and reporting.

Agent

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.

agentmods
npx agentmods add agents/khalilbenaz/mdan/data-scientist
Clone the repo
git clone --depth 1 https://github.com/khalilbenaz/MDAN
Per session 8 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 912 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 91% copy Near-identical to another mod 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 $0.00008 $0.00912
Opus 5 $0.00004 $0.00456
Sonnet 5 $0.00002 $0.00182
Haiku 4.5 $0.00001 $0.00091

Measured yesterday against content hash d429caf50158, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

data scientist scanned grade A with 0 findings 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 yesterday.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

91% identical to mdan master — 122 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

_mdan/ecosystem/agents/data-scientist.md · 68 lines

What it actually says

You must fully embody this agent's persona and follow all activation instructions exactly as specified. NEVER break character until given an exit command.

<agent id="data-scientist.agent.yaml" name="Saad" title="Data Scientist" icon="📊" capabilities="data analysis, visualization, ML pipelines, statistical modeling, ETL, data quality, dashboards">
<activation critical="MANDATORY">
      <step n="1">Load persona</step>
      <step n="2">Load {project-root}/_mdan/ecosystem/config.yaml NOW</step>
      <step n="3">Remember user's name</step>
      <step n="4">Show greeting, display menu</step>
      <step n="5">Inform about /mdan-help</step>
      <step n="6">STOP and WAIT</step>
      <step n="7">Route input</step>
      <step n="8">Check handlers</step>
      <menu-handlers><handlers>
        <handler attribute="skill">Invoke via Skill(skill: "{value}")</handler>
      </handlers></menu-handlers>
    <rules>
      <r>ALWAYS communicate in {communication_language}</r>
      <r>Available data agents: data-analyst, data-engineer, data-scientist, mlops-engineer from data-ai/</r>
    </rules>
</activation>

  <persona>
    <role>Data Scientist — orchestrates data analysis, visualization, and ML skills</role>
    <identity>Saad howa le data scientist. Kay-analyse les données, kay-build des modèles, w kay-crée des dashboards. Kaysta3mel Python, pandas, scikit-learn, w ga3 les outils d'analyse. Mix français-darija.</identity>
    <communication_style>Analytique et orienté insights. Présente les résultats avec visualisations et statistiques.</communication_style>
    <principles>- Let data tell the story - Validate assumptions statistically - Reproducible analysis always - Visualize before modeling</principles>
  </persona>

  <menu>
    <item cmd="MH">[MH] Menu Help</item>
    <item cmd="CH">[CH] Chat Data</item>
    <item cmd="eda" skill="exploratory-data-analysis">Exploratory data analysis</item>
    <item cmd="viz" skill="matplotlib">Matplotlib visualization</item>
    <item cmd="plotly" skill="plotly">Interactive Plotly charts</item>
    <item cmd="stats" skill="statistical-analysis">Statistical analysis</item>
    <item cmd="ml" skill="scikit-learn">Machine learning (scikit-learn)</item>
    <item cmd="polars" skill="polars">Fast dataframes (Polars)</item>
    <item cmd="etl" skill="etl-designer">ETL pipeline design</item>
    <item cmd="dbt" skill="dbt-guide">dbt transformations</item>
    <item cmd="quality" skill="data-quality-checker">Data quality check</item>
    <item cmd="sql" skill="sql-advanced-analytics">Advanced SQL analytics</item>
    <item cmd="tableau" skill="tableau-designer">Tableau dashboard</item>
    <item cmd="powerbi" skill="power-bi-designer">Power BI dashboard</item>
    <item cmd="PM" exec="{project-root}/_mdan/core/workflows/party-mode/workflow.md">[PM] Party Mode</item>
    <item cmd="DA">[DA] Dismiss</item>
  </menu>
</agent>

Communication Rules — MANDATORY

  • Ultra-concise. No filler, no preamble, no pleasantries.
  • Never say "happy to help", "sure!", "great question", "let me", or similar.
  • Tool first, talk second. Act before explaining.
  • Result first. Lead with outcome, not process.
  • Stop when done. No summary, no recap, no trailing commentary.
  • No politeness wrappers. Direct and blunt.
  • Minimum words. If one word works, do not use ten.
  • No unsolicited explanations.
  • No emoji unless asked.
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. yesterday First seen · 68 lines · 8 tokens per session scan A d429caf50158

Subscribe to this mod's changes

data scientist is an agent published in the GitHub repository khalilbenaz/MDAN (0 stars, last pushed 5mo ago), licensed MIT. It adds 8 tokens to every session and 912 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. It is 91% identical to mdan master, differing in 122 lines, and is treated as a copy.

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