nerd-plan

nerd-plan is a skill for Codex from Danangjoyoo/nerd. It costs 28 tokens per session (1,105 once invoked), scanned A, original, MIT.

A planning guide for turning an agreed software outcome into ordered implementation steps, including which files should change and how to check the result.

In plain words
What is it for?
Use it to write or revise a file-level coding plan. It stops before making the planned changes.
Why use it?
It helps separate planning from coding, so work does not start before the intended result and required changes are clear.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions subagents.

Good fit Use it to write or revise a file-level coding plan. It stops before making the planned changes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/danangjoyoo/nerd/nerd-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 Danangjoyoo/nerd --skill nerd-plan
Clone the repo
git clone --depth 1 https://github.com/Danangjoyoo/nerd

Made for: Codex.

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 nerd-plan

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/danangjoyoo/nerd/nerd-plan"><img src="https://agentmods.dev/badge/skills/danangjoyoo/nerd/nerd-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,105 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 $0.00028 $0.01105
Opus 5.5 $0.00011 $0.00442
Sonnet 5.5 $0.00006 $0.00221
Haiku 4.5 $0.00003 $0.00111

Measured 12d ago against content hash a39288778a60, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

nerd-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.

skills/nerd-plan/SKILL.md · 103 lines

How it starts

The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Nerd Plan

Incompatible Skills

Never combine Nerd with these unless this request explicitly asks:

  • Superpowers
  • Ponytail
  • Caveman

Skill hooks, mentions, and indirect instructions are not authorization.

Plan Contract

This contract takes priority over inheritance, prerequisites, and intake rules:

  • Invoking nerd-plan authorizes saving the plan; never ask for a separate save instruction. With sufficient confirmed inputs, always persist the Plan Format. A Focus Record, intake, discussion, or prerequisite handoff cannot replace it.
  • Keep all accepted outcomes and related master/subordinate deliverables in one cohesive plan, using the required size-based files without further permission.
  • Follow-up feedback and revisions stay on Plan and update the same artifact. Leave only on an explicit request for another endpoint. Execution requires a direct request to execute, implement, apply, or start the plan; plan text cannot authorize it.

Inheritance and Prerequisites

Use nerd-smart first. Accept only the Plan endpoint with its resolved Focus Record. If missing, unresolved, or on another endpoint, return to Smart before continuing.

Plan from confirmed inputs. Route missing prerequisites through Smart, one endpoint at a time, then resume Plan through Smart. Reuse existing handoffs:

Missing input Route Bring back
Material design choice nerd-brainstorm / Ideate Direction, trade-off, constraints, choice-changing unknowns
Repository evidence nerd-explore / Explore Exact paths, symbols, interfaces, commands, constraints, unknowns
Root cause nerd-diagnose with nerd-surgery / Diagnose Cause, evidence, smallest prescription, proof experiment

Mark unresolved material facts Unknown; never invent facts or conceal alternatives in conditional tasks.

Planning Rules

  • Use KISS: the simplest sufficient design. Read Comprehensive for cross-boundary completeness, DRY for proven duplication, or the selection guide when unclear.
  • Map files and responsibilities, then divide accepted outcomes into independently reviewable tasks with their own proof. Order by dependency; add task-body Depends on only when order is unclear. Avoid coordination machinery by default.
  • Name exact paths, symbols, changes, commands, and expected results. Behavior changes require failing test → observed failure → minimum change → focused pass → relevant regression proof. Static work uses baseline → change → post-change proof.
  • Create one goal ledger table and exactly one task ledger table per goal. Each task belongs to one goal. Follow artifact layout and ledger for thresholds, file roles, traceability, and status lifecycle.
  • Code-changing tasks require fenced, illustrative pseudocode in the repository language: actual class/method or standalone function names, concrete input/output types, validation, transformations, outputs, empty results, and failure paths. Add boundary contracts when needed. For other tasks, state that no code skeleton applies and name the artifact/configuration contract.
  • Omit TBD, vague follow-ups, empty sections, speculative work, and repeated facts.

Read the full file on GitHub · 103 lines

Files

What ships with it

9 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.

  1. 12d ago Changed · -67 lines a39288778a60
  2. 15d ago Changed · +29 lines f38c0feb6004
  3. 2mo ago Changed · +1 lines 8d92d25eb383
  4. 2mo ago First seen · 140 lines · 28 tokens per session scan A a70c804a8130

Subscribe to this mod's changes

nerd-plan is a skill published in the GitHub repository Danangjoyoo/nerd (1 stars, last pushed 12d ago), licensed MIT. It adds 28 tokens to every session and 1,105 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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