openplan-docs-init

openplan-docs-init is a skill for Codex from BANANASJIM/openplan-skill. It costs 90 tokens per session (1,351 once invoked), scanned A, original, MIT.

A setup process for creating an OpenPlan-style documentation structure for a project. OpenPlan-style documentation records where information came from and separates confirmed intent from agent assumptions.

In plain words
What is it for?
Use it to initialize a documentation repository, add governed docs to a code repository, or create initial document maps, templates, needs snapshots, and decision records.
Why use it?
It gives a project an organized starting point for durable documentation, so later agents can find project knowledge and understand its authority.

Skill for Codex

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

Good fit Use it to initialize a documentation repository, add governed docs to a code repository, or create initial document maps, templates, needs snapshots, and decision records.

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Install with agentmods
npx agentmods add skills/bananasjim/openplan-skill/openplan-docs-init
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 BANANASJIM/openplan-skill --skill openplan-docs-init
Clone the repo
git clone --depth 1 https://github.com/BANANASJIM/openplan-skill

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 openplan-docs-init

README.md
[![agentmods](https://agentmods.dev/badge/skills/bananasjim/openplan-skill/openplan-docs-init/github.svg)](https://agentmods.dev/skills/bananasjim/openplan-skill/openplan-docs-init)
Your own site
<a href="https://agentmods.dev/skills/bananasjim/openplan-skill/openplan-docs-init"><img src="https://agentmods.dev/badge/skills/bananasjim/openplan-skill/openplan-docs-init/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 openplan-docs-init

Your own site · 80×15
<a href="https://agentmods.dev/skills/bananasjim/openplan-skill/openplan-docs-init"><img src="https://agentmods.dev/badge/skills/bananasjim/openplan-skill/openplan-docs-init.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 90 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,351 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 $0.00090 $0.01351
Opus 5.5 $0.00036 $0.00540
Sonnet 5.5 $0.00018 $0.00270
Haiku 4.5 $0.00009 $0.00135

Measured 1mo ago against content hash 907433164dec, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

openplan-docs-init 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.

skills/openplan-docs-init/SKILL.md · 139 lines

How it starts

The opening of the file, as written. The whole thing — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OpenPlan Docs Init

Use this after $openplan-core and usually after $openplan-align when a project needs an initial governed documentation surface before agents start generating durable docs.

Core Principle

Document generation begins with authority and provenance, not with a pile of files. Generated docs must not present agent assumptions as human intent.

When To Use

Use this skill when asked to:

  • initialize an OpenPlan-style docs repo;
  • add OpenPlan-style documentation governance to an existing code repo;
  • create a minimal document map before generating project docs;
  • seed needs snapshots, decision records, templates, or planning docs;
  • prepare memory/docs for future Codex, Claude Code, or subagent sessions.

Do not use it for ordinary documentation edits after the document structure already exists. Use $openplan-record and $openplan-garden for that.

Init Flow

  1. Identify the target surface:
    • docs repo;
    • code repo;
    • single-repo project;
    • temporary teaching/reporting surface.
  2. Identify the documentation root:
    • explicit user-provided path;
    • existing project convention;
    • .openplan/ when docs should live inside a code repo without mixing with product docs;
    • docs/ or repo root when that is the project convention;
    • a separate docs repo or absolute path when provided.
  3. Identify authority sources:
    • explicit human goal/intent;
    • existing docs/design/ADR files;
    • code evidence;
    • prior handoff or needs snapshot;
    • agent inference.
  4. Decide the minimum document map needed for the next phase.
  5. Before creating durable docs, state:
    • docs root;
    • what will be generated;
    • which source backs each file;
    • what is inferred or pending confirmation;
    • whether the file is source of truth, draft, handoff, review, or disposable.
  6. Generate only the smallest useful scaffold unless the user explicitly asks for a broader docs package.
  7. Record an explicit human decision, or propose/request a decision record, when initialization creates or changes durable design/governance.
  8. Seed a needs snapshot when the human goal/intent or project direction must survive across agents or sessions.
  9. Run $openplan-garden after broad generation and $openplan-record for durable memory/docs updates.
  10. Use $openplan-research first when the docs scaffold depends on facts not already backed by local durable context.

Read the full file on GitHub · 139 lines

Files

What ships with it

4 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. 1mo ago First seen · 139 lines · 90 tokens per session scan A 907433164dec

Subscribe to this mod's changes

openplan-docs-init is a skill published in the GitHub repository BANANASJIM/openplan-skill (5 stars, last pushed 1mo ago), licensed MIT. It adds 90 tokens to every session and 1,351 once invoked, about $0.0004 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.

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