uno: Skill for Claude Code

.claude/skills/speckit-plan/SKILL.md

speckit-plan is a skill for Claude Code from unoplatform/uno. It costs 19 tokens per session (1,536 once invoked), scanned A, original, Apache-2.0.

A planning workflow that turns a user's request into design documents and an implementation plan using a standard template.

In plain words
What is it for?
Use it to prepare design artifacts and an implementation plan for a software change.
Why use it?
It gives coding work a documented structure before implementation begins, including checks for configured pre-planning extensions.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions CLAUDE.md.

This is unoplatform/uno's own configuration. It tells Claude Code how to work on uno 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 uno configures →

About the project

Uno Platform is an open-source .NET development platform that lets developers build native mobile, web, desktop, and embedded applications from one C# and XAML codebase. It is intended for .NET developers who want to share application code across multiple operating systems and device types. The catalogue entries support development workflows for Uno Platform with skills, agents, commands, and instructions.

unoplatform/uno · 10,039 stars · on GitHub · platform.uno

Reuse

Borrowing it

Nothing to install: this file belongs to unoplatform/uno. 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/unoplatform/uno/master/.claude/skills/speckit-plan/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/unoplatform/uno

Made for: Claude Code.

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 speckit-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/unoplatform/uno/speckit-plan.svg)](https://agentmods.dev/skills/unoplatform/uno/speckit-plan)
Your own site
<a href="https://agentmods.dev/skills/unoplatform/uno/speckit-plan"><img src="https://agentmods.dev/badge/skills/unoplatform/uno/speckit-plan.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,536 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 $0.00019 $0.01536
Opus 5 $0.00010 $0.00768
Sonnet 5 $0.00004 $0.00307
Haiku 4.5 $0.00002 $0.00154

Measured 8d ago against content hash 5dbf517056a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

speckit-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 8d 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.

Origin

Copies of this mod

8 near-identical copies found in the catalogue:

.claude/skills/speckit-plan/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

User Input

$ARGUMENTS

You MUST consider the user input before proceeding (if not empty).

Pre-Execution Checks

Check for extension hooks (before planning):

  • Check if .specify/extensions.yml exists in the project root.
  • If it exists, read it and look for entries under the hooks.before_plan key
  • If the YAML cannot be parsed or is invalid, skip hook checking silently and continue normally
  • Filter out hooks where enabled is explicitly false. Treat hooks without an enabled field as enabled by default.
  • For each remaining hook, do not attempt to interpret or evaluate hook condition expressions:
    • If the hook has no condition field, or it is null/empty, treat the hook as executable
    • If the hook defines a non-empty condition, skip the hook and leave condition evaluation to the HookExecutor implementation
  • When constructing slash commands from hook command names, replace dots (.) with hyphens (-). For example, speckit.git.commit/speckit-git-commit.
  • For each executable hook, output the following based on its optional flag:
    • Optional hook (optional: true):
      ## Extension Hooks
      
      **Optional Pre-Hook**: {extension}
      Command: `/{command}`
      Description: {description}
      
      Prompt: {prompt}
      To execute: `/{command}`
      
    • Mandatory hook (optional: false):
      ## Extension Hooks
      
      **Automatic Pre-Hook**: {extension}
      Executing: `/{command}`
      EXECUTE_COMMAND: {command}
      
      Wait for the result of the hook command before proceeding to the Outline.
      
  • If no hooks are registered or .specify/extensions.yml does not exist, skip silently

Outline

  1. Setup: Run .specify/scripts/powershell/setup-plan.ps1 -Json from repo root and parse JSON for FEATURE_SPEC, IMPL_PLAN, SPECS_DIR, BRANCH. For single quotes in args like "I'm Groot", use escape syntax: e.g 'I'''m Groot' (or double-quote if possible: "I'm Groot").

  2. Load context: Read FEATURE_SPEC and .specify/memory/constitution.md. Load IMPL_PLAN template (already copied).

Read the full file on GitHub · 153 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. 8d ago First seen · 153 lines · 19 tokens per session scan A 5dbf517056a7

Subscribe to this mod's changes

speckit-plan is a skill published in the GitHub repository unoplatform/uno (10,039 stars, last pushed today), licensed Apache-2.0. It adds 19 tokens to every session and 1,536 once invoked, about $0.0001 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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