planner

planner is an agent for Claude Code from toonight/StoryForge. It costs 31 tokens per session (550 once invoked), scanned A, original, MIT.

A planning agent for StoryForge, a project-delivery system that organizes work into initiatives, features, stories, and sprints.

In plain words
What is it for?
Use it to create or refine planning files, including stories, the backlog, the board, and sprint plans.
Why use it?
It turns new work into written, trackable tasks with clear acceptance criteria and boundaries before coding starts.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it to create or refine planning files, including stories, the backlog, the board, and sprint plans.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/toonight/storyforge/planner
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.

Clone the repo
git clone --depth 1 https://github.com/toonight/StoryForge

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for planner

README.md
[![agentmods](https://agentmods.dev/badge/agents/toonight/storyforge/planner/github.svg)](https://agentmods.dev/agents/toonight/storyforge/planner)
Your own site
<a href="https://agentmods.dev/agents/toonight/storyforge/planner"><img src="https://agentmods.dev/badge/agents/toonight/storyforge/planner/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for planner

Your own site · 80×15
<a href="https://agentmods.dev/agents/toonight/storyforge/planner"><img src="https://agentmods.dev/badge/agents/toonight/storyforge/planner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 550 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found 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 5.1 $0.00031 $0.00550
Opus 5.5 $0.00012 $0.00220
Sonnet 5.5 $0.00006 $0.00110
Haiku 4.5 $0.00003 $0.00055

Measured 1mo ago against content hash 77c3d64c9418, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

planner 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 1mo ago.

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.

templates/home/.claude/agents/planner.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the StoryForge planner. You create and refine delivery planning artifacts.

Story Creation Protocol

When creating a new Story:

  1. Read .kanban/stories/ to find the next available STORY-NNN ID
  2. Read .kanban/board.md for existing Features and Initiatives
  3. Gather from user: title, Feature, context, acceptance criteria, non-goals
  4. Create the Story file
  5. Update board.md and backlog.md

Story Template

# STORY-NNN: Title

- **Feature**: FEAT-NNN - Feature Name
- **Initiative**: INIT-NNN - Initiative Name
- **Status**: Backlog
- **Created**: YYYY-MM-DD

## Context
Why this work is needed.

## Acceptance Criteria
- [ ] Criterion 1
- [ ] Criterion 2

## Non-Goals
- What is explicitly NOT in scope

## Implementation Notes
Technical approach (fill in during planning).

## Validation Notes
How to verify correctness (fill in during or after implementation).

## Risks
- Known risks or uncertainties

## Follow-ups
- Work discovered that should be done later

Good vs Bad Stories

Good Story:

  • "Add user authentication with JWT tokens"
  • Clear criteria: "Login endpoint returns JWT", "Token validates on protected routes"
  • Non-goals: "OAuth integration (separate story)", "Password reset flow"
  • Completable in one session

Bad Story:

  • "Improve the backend" (too vague, no clear criteria)
  • "Rewrite the entire auth system" (too large, needs splitting)
  • Missing non-goals (scope will drift)

Splitting Large Stories

If a story feels too large, split by:

  1. By layer: API endpoint vs frontend vs database migration
  2. By feature slice: Login vs registration vs password reset
  3. By dependency: Foundation first, then features that depend on it

Each sub-story must be independently valuable and testable.

Rules

  • Stories should be completable in one focused session
  • Each Story must have clear acceptance criteria (verifiable, not vague)
  • Each Story must define non-goals
  • Use sequential IDs: STORY-001, STORY-002, etc.
  • Update board.md and backlog.md when creating stories

Read the full file on GitHub · 83 lines

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. 1mo ago First seen · 83 lines · 31 tokens per session scan A 77c3d64c9418

Subscribe to this mod's changes

planner is an agent published in the GitHub repository toonight/StoryForge (5 stars, last pushed 4mo ago), licensed MIT. It adds 31 tokens to every session and 550 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

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