plan

plan is a skill for Claude Code from ShreyPaharia/octomux. It costs 42 tokens per session (1,618 once invoked), scanned A, original, MIT.

A planning workflow for a specific Jira ticket, a task record used to track software work. It examines the codebase, resolves unclear decisions with you, and records a detailed approach.

In plain words
What is it for?
Use it before implementing a large or ambiguous Jira ticket. It helps trace related code, discuss options, document the implementation steps, and update the ticket.
Why use it?
It helps avoid starting large or unclear tickets without understanding the relevant code and decisions. The final plan is also added to the Jira ticket for reference.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions CLAUDE.md; mentions subagents.

Part of the octomux plugin — 20 skills, 1 agent shipped together

Good fit Use it before implementing a large or ambiguous Jira ticket. It helps trace related code, discuss options, document the implementation steps, and update the ticket.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/shreypaharia/octomux/plan
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.

Any agent
npx skills add ShreyPaharia/octomux --skill plan
Clone the repo
git clone --depth 1 https://github.com/ShreyPaharia/octomux

Made for: Claude Code.

Or install octomux, the plugin that ships this one along with the rest of its 20 skills, 1 agent.

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 plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/shreypaharia/octomux/plan/github.svg)](https://agentmods.dev/skills/shreypaharia/octomux/plan)
Your own site
<a href="https://agentmods.dev/skills/shreypaharia/octomux/plan"><img src="https://agentmods.dev/badge/skills/shreypaharia/octomux/plan/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 plan

Your own site · 80×15
<a href="https://agentmods.dev/skills/shreypaharia/octomux/plan"><img src="https://agentmods.dev/badge/skills/shreypaharia/octomux/plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,618 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00042 $0.01618
Opus 5 $0.00021 $0.00809
Sonnet 5 $0.00008 $0.00324
Haiku 4.5 $0.00004 $0.00162

Measured 12d ago against content hash 358c21846d34, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

plan 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 12d 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.

plugin/skills/plan/SKILL.md · 222 lines

How it starts

The opening of the file, as written. The whole thing — 222 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Deep Planning

Do a codebase deep-dive for a specific Jira ticket, interview the user on key decisions, then update the ticket with a detailed implementation plan.

Announce at start: "Running deep planning for ."

Checklist

  1. Fetch ticket — get Jira ticket details
  2. Codebase deep-dive — read relevant packages, trace data flow, understand interfaces
  3. Interview — surface ambiguities, propose approaches, get decisions
  4. Write plan — detailed implementation plan saved locally
  5. Update ticket — update Jira description with finalized approach
  6. Report — summary with next steps

Jira Authentication

Before any Jira call, test connectivity by calling getAccessibleAtlassianResources(). If it fails or returns an auth error, stop and prompt the user:

"Jira is not authenticated. Please run /plugin and authenticate the Atlassian plugin, then try again."

Do not proceed with Jira operations until auth is confirmed.

Phase 1: Fetch Ticket

Extract the ticket key from the argument (e.g., IN-945 from /plan IN-945 or from a URL).

getAccessibleAtlassianResources() -> cloudId  (also serves as auth check — if this fails, follow Jira Authentication section)
getJiraIssue(cloudId, issueKey, fields=["summary","description","priority","labels","status","parent","components"], responseContentFormat="markdown")

Parse the ticket summary, description, and any existing acceptance criteria.

Phase 2: Codebase Deep-Dive

Based on the ticket, explore the relevant parts of the codebase. This is where the real value is — planning with actual code context.

Always read first:

  • CLAUDE.md and any service-specific CLAUDE.md (e.g., internal/hedging/CLAUDE.md)
  • .claude/rules/learnings.md for known gotchas

Then explore based on the ticket:

  • Use Grep/Glob to find relevant files, types, interfaces
  • Read the key files that will be modified
  • Trace the data flow end-to-end for the feature/fix
  • Check existing tests for patterns to follow
  • Look at recent related PRs/commits for context

Read the full file on GitHub · 222 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. 12d ago First seen · 222 lines · 42 tokens per session scan A 358c21846d34

Subscribe to this mod's changes

plan is a skill published in the GitHub repository ShreyPaharia/octomux (22 stars, last pushed 10d ago), licensed MIT. It adds 42 tokens to every session and 1,618 once invoked, about $0.0002 per session on Opus 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 2026-08-30.

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