planning-changes

planning-changes is a skill for Claude Code, Codex from Firma-AI/openfirma. It costs 47 tokens per session (2,322 once invoked), scanned A, original, GPL-3.0.

A planning guide for substantial changes to OpenFirma. It combines repository research, program design, required guarantees, step-by-step implementation slices, and independent review.

In plain words
What is it for?
Use it before changing behavior, architecture, stable interfaces, migrations, trust boundaries, or the code responsible for enforcing important rules.
Why use it?
It helps turn a broad or risky request into an implementation plan grounded in the existing code. It also highlights migrations, trust boundaries, and rules whose ownership must remain clear.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

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.

agentmods
npx agentmods add skills/firma-ai/openfirma/planning-changes
Any agent
npx skills add Firma-AI/openfirma --skill planning-changes
Clone the repo
git clone --depth 1 https://github.com/Firma-AI/openfirma

Made for: Claude Code, 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 planning-changes

README.md
[![agentmods](https://agentmods.dev/badge/skills/firma-ai/openfirma/planning-changes.svg)](https://agentmods.dev/skills/firma-ai/openfirma/planning-changes)
Your own site
<a href="https://agentmods.dev/skills/firma-ai/openfirma/planning-changes"><img src="https://agentmods.dev/badge/skills/firma-ai/openfirma/planning-changes.svg" alt="Measured on agentmods" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,322 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00047 $0.02322
Opus 5 $0.00023 $0.01161
Sonnet 5 $0.00009 $0.00464
Haiku 4.5 $0.00005 $0.00232

Measured 6d ago against content hash d4ffd5933331, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

planning-changes 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 6d 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/planning-changes/SKILL.md · 271 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file 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. 6d ago First seen · 271 lines · 47 tokens per session scan A d4ffd5933331

Subscribe to this mod's changes

planning-changes is a skill published in the GitHub repository Firma-AI/openfirma (129 stars, last pushed yesterday), licensed GPL-3.0. It adds 47 tokens to every session and 2,322 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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