neeko: Skill for Claude Code

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

trellis-spec-bootstrap is a skill for Claude Code, Codex from tincopper/neeko. It costs 67 tokens per session (546 once invoked), scanned A, a copy of trellis-spec-bootstrap, Apache-2.0.

A workflow for creating project-specific coding guidelines in a .trellis/spec folder from the repository's actual code and structure.

In plain words
What is it for?
Use it when starting or refreshing coding specifications, analyzing a codebase, dividing specification work by package or layer, and checking that the resulting docs are complete.
Why use it?
It replaces generic templates with documented patterns, file paths, examples, and checks that match the project.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is tincopper/neeko's own configuration. It tells Claude Code and Codex how to work on neeko 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 neeko configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tincopper/neeko. 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/tincopper/neeko/main/.agents/skills/trellis-spec-bootstrap/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/tincopper/neeko

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 trellis-spec-bootstrap

README.md
[![agentmods](https://agentmods.dev/badge/skills/tincopper/neeko/trellis-spec-bootstrap.svg)](https://agentmods.dev/skills/tincopper/neeko/trellis-spec-bootstrap)
Your own site
<a href="https://agentmods.dev/skills/tincopper/neeko/trellis-spec-bootstrap"><img src="https://agentmods.dev/badge/skills/tincopper/neeko/trellis-spec-bootstrap.svg" alt="Measured on agentmods" 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 100% copy Near-identical to another mod 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 $0.00034 $0.00273
Sonnet 5 $0.00013 $0.00109
Haiku 4.5 $0.00007 $0.00055

Measured 7d ago against content hash 97bfa68c06ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, 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 7d 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

This is a copy

100% identical to trellis-spec-bootstrap — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

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

How it starts

The opening of the file, as written. The whole thing — 42 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Trellis Spec Bootstrap

Use this skill to create or refresh .trellis/spec/ guidelines from the real codebase. One capable agent owns the full loop: analyze the repository, choose the spec boundaries, write the docs, and verify the result. The workflow does not depend on a specific host, CLI, or agent brand.

Workflow

  1. Confirm Trellis is initialized and inspect the current .trellis/spec/ tree.
  2. Analyze the repository architecture with the best available tools: GitNexus, ABCoder, language tooling, and direct source reads.
  3. Decompose the spec work by package and layer only when that reflects the actual codebase.
  4. Fill or reshape the spec files with concrete patterns, file paths, examples, and anti-patterns from the project.
  5. Verify that the final specs are internally consistent and contain no template placeholders.

Reference Routing

Need Read
Repository architecture analysis references/repository-analysis.md
Spec work decomposition and task planning references/spec-task-planning.md
Writing high-signal Trellis spec files references/spec-writing.md
GitNexus and ABCoder MCP setup references/mcp-setup.md

Operating Rules

  • Treat templates as starting points, not contracts. Delete, rename, split, or add spec files when the repository calls for it.
  • Prefer source-backed rules over generic advice. Every important recommendation should point at a real file or repeated local pattern.
  • Keep execution single-owner by default. Optional helper agents are an implementation detail, not a requirement or user-visible dependency.
  • Do not write platform-specific instructions unless the target project already standardizes on that platform.
  • Do not leave placeholder text, empty headings, or copied boilerplate in .trellis/spec/.

Done Criteria

  • .trellis/spec/ describes the project as it exists now.
  • Each relevant package or layer has practical coding guidance with real examples.
  • Non-applicable template sections are removed.
  • index.md files match the final spec file set.
  • Any required setup or analysis assumptions are documented in the relevant spec or task notes.

Read the full file on GitHub · 42 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. 7d 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 tincopper/neeko (11 stars, last pushed 2d ago), licensed Apache-2.0. It adds 67 tokens to every session and 546 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to trellis-spec-bootstrap, differing in 0 lines, and is treated as a copy.

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