Plot structure
📚 Streamline story writing using markdown and AI agents to manage characters, plots, and chapters with structured YAML files.
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This skill should be used when the user asks to "create a plot arc", "story structure", "add a plot point", "story timeline", "track foreshadowing", "pacing", "act structure", "story arc", "plot outline", or wants to plan and manage the narrative structure of a story.
SKILL.md
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Plot Structure
Overview
Plan and manage story arcs, plot points, foreshadowing, and narrative timeline. Each arc is a markdown file in plot/arcs/ with a chronological timeline maintained in plot/timeline.md. The plot index tracks all arcs, their status, and theme coverage.
Prerequisites
A story project must already exist (created via the story-init skill). Verify by checking for story.md in the project root.
Choosing a Story Structure
- Read
story.mdfor genre and themes - Consult
references/structure-models.mdfor available structures - Recommend a structure based on genre (default to three-act if unclear)
- Update
plot/_index.mdfrontmatterstructurefield - Populate the story structure section with the beat sheet
Creating an Arc
- Read
story.mdfor themes - Read
plot/_index.mdfor existing arcs - Read
characters/_index.mdto understand available characters - Ask for:
- Arc name
- Type (main, subplot, character, thematic)
- Which characters are involved
- Which themes it serves
- Build the arc through conversation: setup, escalations, climax, resolution
- Write the file using
references/arc-template.md - Save to
plot/arcs/{arc-name-kebab}.md - Update
plot/_index.mdarcs table - Update theme tracking in
plot/_index.md - If characters are referenced, verify they exist in
characters/
Managing Plot Points
Plot points live within arc files in the "Plot Points" table. When adding a plot point:
- Read the relevant arc file
- Add the plot point to the table with chapter reference (if known)
- Add the event to
plot/timeline.mdin chronological order - If the plot point involves foreshadowing, add it to the arc's foreshadowing table
Timeline Management
The timeline at plot/timeline.md is a chronological master list of all story events across all arcs.
When adding events:
- Insert in chronological order
- Link to the relevant arc and chapter
- Keep entries concise (one line per event)
When reviewing the timeline:
- Check for chronological consistency
- Identify pacing issues (too many events clustered, long gaps)
- Flag arcs that haven't progressed
Foreshadowing Tracking
Each arc tracks its own foreshadowing in the "Foreshadowing" table:
- Planted: What hint or setup is placed
- Payoff: What the payoff will be
- Chapter Planted / Chapter Payoff: Where each occurs
- Status:
plantedorpaid-off
During chapter writing, flag any planted items that haven't been paid off as reminders.
Cross-Referencing
- Arcs reference characters via frontmatter
charactersfield - Arcs reference themes via frontmatter
themesfield - Plot points reference chapters
- Timeline entries link arcs and chapters
- Theme tracking in
plot/_index.mdmaps themes to arcs and chapters
Reference Files
references/arc-template.md- Template for arc files with frontmatter and sectionsreferences/structure-models.md- Story structure models (three-act, hero's journey, save the cat, kishotenketsu, five-act) with beat sheets