Agent-Skills.md

Agent Skills: Marimo Notebook Inspector

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UncategorizedID: dakesan/marimo-cc/marimo-inspect

Repository

dakesan/marimo-cc
dakesanLicense: Apache-2.0
1

Install this agent skill to your local

pnpm dlx add-skill https://github.com/dakesan/marimo-cc/tree/HEAD/skills/marimo-inspect

Skill Files

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skills/marimo-inspect/SKILL.md

Skill Metadata

Name
marimo-inspect
Description
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Marimo Notebook Inspector

Inspect marimo notebook execution results by reading HTML snapshots stored in the __marimo__ directory.

Purpose

Marimo automatically saves HTML snapshots during editing sessions. This skill reads those snapshots to verify:

  • Cell execution outputs
  • Error messages and tracebacks
  • Visualization renders
  • UI element states

Snapshot Location

HTML snapshots are stored in:

  • __marimo__/ directory (relative to notebook)
  • .marimo/ directory (alternative location)

Workflow

  1. Locate the __marimo__ or .marimo/ directory using Glob
  2. List available HTML snapshots
  3. Read the HTML file with the Read tool
  4. Parse and analyze:
    • Cell outputs (text, tables, plots)
    • Error states and messages
    • Console output
  5. Report findings to user

Usage Pattern

# Find snapshots
Glob: **/__marimo__/*.html

# Read snapshot
Read: __marimo__/notebook_name.html

Analysis Focus

When inspecting HTML snapshots:

  • Look for <div class="output"> sections for cell outputs
  • Check for error indicators and stack traces
  • Identify visualization elements (plots, charts)
  • Note any warning or info messages