Creates detailed character profiles including backstory, personality traits, motivations, relationships, and character arcs.
SkillScore23Maintained
Automatic
◆Writing & Editing pack
Last verified 8/22/2026
What it changes
Passed 5 of 22 test cases with the skill, and 4 of 22 without it.
Without skill18%
With skill23%
Checks it passed that the model alone missed
Explicitly names the character's internal need.
Categorizes the arc as Positive, Negative, or Flat.
Follows the standard Markdown character profile template structure.
1 fixed4 passed either way17 still failing0 broke
Pass-rate lift
+5 pp
Tokens
+195%
Agent turns
0%
Response time
+17%
Model gemini-3.6-flashMeasured 8/22/2026v15 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
Develop a complete character profile for Silas 'Dead-Eye' Kane, a weary gunslinger seeking redemption in 1880s New Mexico. Format his profile as a wild west 'WANTED' poster.
What was checked, without and with the skill
Checked
Without skill
With skill
Follows the standard Markdown character profile template structure.
Missed
Passed
Explicitly names the character's internal need.
Missed
Passed
Categorizes the arc as Positive, Negative, or Flat.
Missed
Passed
case-16 · gemini-3.6-flash · 8/22/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md420 linessingle file
Character Development Assistant
Purpose
This skill helps authors create deep, believable characters with distinct personalities, compelling backstories, clear motivations, and meaningful character arcs throughout the narrative.
When to Use
User is creating new characters for a story
User wants to deepen existing character development
User needs help with character relationships and dynamics
User requests character sheets or profiles
User is struggling with flat or one-dimensional characters
Instructions
Step 1: Gather Basic Information
Ask the user for:
Character Name: Full name and any nicknames
Role in Story: Protagonist, antagonist, supporting character, etc.
Story Genre: Fantasy, sci-fi, contemporary, historical, etc.
Character's Function: What role does this character serve in the plot?
Initial Character Concept: Any existing ideas about the character