etf-radar: Skill for Claude Code

.claude/skills/trellis-spec-bootstrap/SKILL.md

trellis-spec-bootstrap is a skill for Claude Code from im47cn/etf-radar. It costs 67 tokens per session (546 once invoked), scanned A, original, no licence file.

A workflow for creating or refreshing project-specific Trellis coding specifications. It examines a codebase and writes specification documents based on the actual source and repository structure.

In plain words
What is it for?
It is for bootstrapping `.trellis/spec` files, analyzing a repository, and documenting how its code should be changed.
Why use it?
It replaces placeholder guidance with rules grounded in the project’s existing code. It also helps break specification work into packages or layers.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is im47cn/etf-radar's own configuration. It tells Claude Code how to work on etf-radar 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 etf-radar configures →

Reuse

Borrowing it

Nothing to install: this file belongs to im47cn/etf-radar. 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/im47cn/etf-radar/main/.claude/skills/trellis-spec-bootstrap/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/im47cn/etf-radar

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 trellis-spec-bootstrap

README.md
[![agentmods](https://agentmods.dev/badge/skills/im47cn/etf-radar/trellis-spec-bootstrap/github.svg)](https://agentmods.dev/skills/im47cn/etf-radar/trellis-spec-bootstrap)
Your own site
<a href="https://agentmods.dev/skills/im47cn/etf-radar/trellis-spec-bootstrap"><img src="https://agentmods.dev/badge/skills/im47cn/etf-radar/trellis-spec-bootstrap/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 trellis-spec-bootstrap

Your own site · 80×15
<a href="https://agentmods.dev/skills/im47cn/etf-radar/trellis-spec-bootstrap"><img src="https://agentmods.dev/badge/skills/im47cn/etf-radar/trellis-spec-bootstrap.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 546 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 $0.00067 $0.00546
Opus 5.5 $0.00027 $0.00218
Sonnet 5.5 $0.00013 $0.00109
Haiku 4.5 $0.00007 $0.00055

Measured 28d ago against content hash 97bfa68c06ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

trellis-spec-bootstrap 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 28d 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.

.claude/skills/trellis-spec-bootstrap/SKILL.md · 42 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 28d ago First seen · 42 lines · 67 tokens per session scan A 97bfa68c06ce

Subscribe to this mod's changes

trellis-spec-bootstrap is a skill published in the GitHub repository im47cn/etf-radar (2 stars, last pushed yesterday), with no licence file. It adds 67 tokens to every session and 546 once invoked, about $0.0003 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 2026-10-02.

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