A planning workflow that breaks an epic—a large piece of product work—into prioritised user stories with measurable definitions of done. It also reviews existing child stories and acceptance criteria.

It helps teams groom backlogs, split epics into vertical slices, define acceptance criteria, and audit existing stories.

It connects a broad product goal to implementable work, exposing missing details and inconsistencies before coding begins.

preplanning — Skill for Claude Code by navapbc

Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code

/plugin marketplace add navapbc/digital-service-orchestra

Claude Code

/plugin install dso

Made for: Claude Code.

Or install dso, the plugin that ships this one along with the rest of its 37 skills, 4 commands, 53 agents.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/navapbc/digital-service-orchestra/preplanning/github.svg)](https://agentmods.dev/skills/navapbc/digital-service-orchestra/preplanning)

Your own site

<a href="https://agentmods.dev/skills/navapbc/digital-service-orchestra/preplanning"><img src="https://agentmods.dev/badge/skills/navapbc/digital-service-orchestra/preplanning/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/navapbc/digital-service-orchestra/preplanning"><img src="https://agentmods.dev/badge/skills/navapbc/digital-service-orchestra/preplanning.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 150 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 20,105 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 1 finding. 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.

Model	Per session	Once invoked
Fable 5.1	$0.00150	$0.20105
Opus 5	$0.00075	$0.10053
Sonnet 5	$0.00030	$0.04021
Haiku 4.5	$0.00015	$0.02011

Measured 8d ago against content hash a1826fa83878, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

preplanning scanned grade A with 1 finding 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 8d 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.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

result = subprocess.run(

plugins/dso/skills/preplanning/SKILL.md · 1,342 lines

How it starts

The opening of the file, as written. The whole thing — 1,342 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Startup Configuration

At the very start of execution (immediately after passing the SUB-AGENT-GUARD check), read the interactive mode flag:

PLUGIN_SCRIPTS="${CLAUDE_PLUGIN_ROOT}/scripts"
PREPLANNING_INTERACTIVE=$(bash "$PLUGIN_SCRIPTS/read-config.sh" preplanning.interactive 2>/dev/null || echo 'true')  # shim-exempt: internal orchestration script
PREPLANNING_INTERACTIVE=$(echo "$PREPLANNING_INTERACTIVE" | tr '[:upper:]' '[:lower:]')
# Default: true (interactive) when the key is absent or empty
if [[ -z "$PREPLANNING_INTERACTIVE" ]]; then
  PREPLANNING_INTERACTIVE="true"
fi

Default is true (interactive) when the key is absent — new projects without the key should default to interactive mode. Only set preplanning.interactive=false in .claude/dso-config.conf for automated pipelines.

Pre-Planning: High-Fidelity Story Mapping

Act as a Senior Technical Product Manager (Google-style) to audit, reconcile, and decompose a ticket Epic into prioritized User Stories with measurable Done Definitions that bridge the epic's vision to task-level acceptance criteria.

Supports dryrun mode. Use /dso:dryrun /dso:preplanning to preview without changes.

Usage

/dso:preplanning                          # Interactive epic selection
/dso:preplanning <epic-id>                # Pre-plan specific epic
/dso:preplanning <epic-id> --lightweight  # Enrich epic without creating stories (used by /dso:sprint for MODERATE epics)

Arguments

<epic-id> (optional): The ticket epic to decompose. If omitted, presents an interactive list of open epics.
--lightweight (optional): Enrich the epic with done definitions and considerations without creating child stories. Returns ENRICHED or ESCALATED. Used by /dso:sprint for MODERATE-complexity epics. If the scope scan discovers COMPLEX qualitative overrides, returns ESCALATED so the orchestrator can re-invoke in full mode.

Read the full file on GitHub · 1,342 lines

Files

What ships with it

12 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

8d ago First seen · 1,342 lines · 150 tokens per session scan A a1826fa83878

Subscribe to this mod's changes

preplanning is a skill published in the GitHub repository navapbc/digital-service-orchestra (6 stars, last pushed today), licensed Apache-2.0. It adds 150 tokens to every session and 20,105 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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preplanning