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FOUNDATION: Skill for Claude Code

.agents/skills/feature-plan/SKILL.md

feature-plan is a skill for Claude Code, Codex from danielterra/FOUNDATION. It costs 50 tokens per session (1,572 once invoked), scanned A, original, AGPL-3.0.

A planning workflow for a Foundation software feature. It plans each child user story and changes the feature's status from “Pending” to “Planned.”

In plain words
What is it for?
Use it to turn a feature request into planned user stories and update its project status.
Why use it?
It avoids planning a feature without also planning the smaller pieces of work it contains.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is danielterra/FOUNDATION's own configuration. It tells Claude Code and Codex how to work on FOUNDATION itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything FOUNDATION configures →

not rated 19repo changed 9d ago A scan 50 tokens AGPL-3.0
View source ↗ danielterra/FOUNDATION
Reuse

Borrowing it

Nothing to install: this file belongs to danielterra/FOUNDATION. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/danielterra/FOUNDATION/main/.agents/skills/feature-plan/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/danielterra/FOUNDATION

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 feature-plan

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/danielterra/foundation/feature-plan"><img src="https://agentmods.dev/badge/skills/danielterra/foundation/feature-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,572 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 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 $0.00050 $0.01572
Opus 5.5 $0.00020 $0.00629
Sonnet 5.5 $0.00010 $0.00314
Haiku 4.5 $0.00005 $0.00157

Measured 9d ago against content hash 826b5eaaf93b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

feature-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 9d 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.

.agents/skills/feature-plan/SKILL.md · 123 lines

The source is not reproduced here

Licensed AGPL-3.0

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

Read it on GitHub

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. 9d ago Changed · -1 lines 826b5eaaf93b
  2. 2mo ago First seen · 124 lines · 50 tokens per session scan A b9b89991794f

Subscribe to this mod's changes

feature-plan is a skill published in the GitHub repository danielterra/FOUNDATION (19 stars, last pushed yesterday), licensed AGPL-3.0. It adds 50 tokens to every session and 1,572 once invoked, about $0.0002 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 2026-09-04.

PlanningProject management
Related

feature-plan compared with skills from other repositories

feature-plan next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
feature-plandanielterra/FOUNDATIONSkill19yesterdayAGPL-3.0A50Claude Code, Codex
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143kyesterdayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143kyesterdayMITA103Claude Code