arrow-maintenance

arrow-maintenance is a skill for Claude Code from jszmajda/lid. It costs 85 tokens per session (3,239 once invoked), scanned A, original, MIT.

A navigation and audit tool for projects that connect written specifications to code through linked documents called arrows. It uses an index to help navigate these documents and checks whether the documentation and implementation still agree.

In plain words
What is it for?
Finding your way through docs/arrows/, auditing specification-to-code coverage, detecting orphaned or drifting sections, and maintaining the linked documentation structure.
Why use it?
Large projects can outgrow one working context, making it easy to miss outdated links, incomplete coverage, or documentation that no longer matches the code. This tool surfaces those gaps and records structural changes such as splits, merges, and renames.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions CLAUDE.md.

Part of the arrow-maintenance plugin — 2 skills, 2 commands shipped together

Good fit Finding your way through docs/arrows/, auditing specification-to-code coverage, detecting orphaned or drifting sections, and maintaining the linked documentation structure.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jszmajda/lid/arrow-maintenance
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.

Any agent
npx skills add jszmajda/lid --skill arrow-maintenance
Clone the repo
git clone --depth 1 https://github.com/jszmajda/lid

Made for: Claude Code.

Or install arrow-maintenance, the plugin that ships this one along with the rest of its 2 skills, 2 commands.

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 arrow-maintenance

README.md
[![agentmods](https://agentmods.dev/badge/skills/jszmajda/lid/arrow-maintenance.svg)](https://agentmods.dev/skills/jszmajda/lid/arrow-maintenance)
Your own site
<a href="https://agentmods.dev/skills/jszmajda/lid/arrow-maintenance"><img src="https://agentmods.dev/badge/skills/jszmajda/lid/arrow-maintenance.svg" alt="Measured on agentmods" height="20"></a>
Per session 85 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,239 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 $0.00085 $0.03239
Opus 5 $0.00043 $0.01620
Sonnet 5 $0.00017 $0.00648
Haiku 4.5 $0.00009 $0.00324

Measured 8d ago against content hash 20ba2a1894f0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

arrow-maintenance 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.

The scan reads SKILL.md. This mod also ships 1 executable file (references/coherence-check.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/arrow-maintenance/skills/arrow-maintenance/SKILL.md · 138 lines

How it starts

The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Arrow Maintenance

The arrow-maintenance overlay scales linked-intent-dev for projects too large to hold in one context window. It provides a navigation index, systematic audit, and brownfield bootstrap.

This skill operates in two modes. Detect which mode applies before acting.

Two modes

Ambient mode. Auto-triggered on arrow-adjacent prompts when docs/arrows/ exists. Posture is catch and recommend — notice relevant work, surface findings, edit only as the surrounding conversation authorizes. File writes happen opportunistically (e.g., updating an arrow doc's coverage table alongside a linked-intent-dev edit on the same segment). Record arrow lifecycle events (split, merge, rename, re-parent, status transitions) rather than erasing them. Do not initiate a systematic audit-and-update pass in ambient mode.

Command mode. Invoked explicitly as /arrow-maintenance. Posture is directed action — the user has asked for the pass. Run an audit-and-update pass, apply unambiguous fixes in place, and surface the rest for user decision. Does not pause at synthetic phase boundaries — it is a single directed pass.

When /arrow-maintenance is invoked

Inspect the project and dispatch on state:

  • Overlay present (docs/arrows/ exists) → run the audit-and-update pass (below).
  • LID docs present (HLD + at least one LLD) but no docs/arrows/ → generate the overlay from existing LID docs: populate index.yaml with one arrows: entry per design-tree node — one leaf entry per leaf LLD (the EARS-owning nodes) and one grouping entry per sub-HLD node — recording the tree's nesting via parent/children links, status MAPPED, sampled: {today}, audited_sha: null; create one per-segment arrow doc per leaf LLD at its tree-mirrored path (docs/arrows/<path>/<leaf>.md), referencing the existing LLD and any known tests/code. Sub-HLD nodes are directories, not arrow docs — their index.yaml entry sets detail to the sub-HLD's design doc (../intent/<path>.md) instead. Do not generate new HLD, LLD, or EARS skeletons (those exist).
  • Neither LID docs nor overlay → the user typed /arrow-maintenance on a project that isn't ready for it. Don't just print a redirect — describe what you found and offer to dispatch: "I see no LID installation here. You probably want /linked-intent-dev if this is a greenfield project (give it a description of what you want to build; it bootstraps LID as part of Phase 1), or /map-codebase if you're bringing LID to an existing codebase. Shall I run one of those instead, or did you mean something else?" Then proceed based on the user's answer.

Read the full file on GitHub · 138 lines

Files

What ships with it

6 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. 8d ago First seen · 138 lines · 0 tokens per session scan A 20ba2a1894f0

Subscribe to this mod's changes

arrow-maintenance is a skill published in the GitHub repository jszmajda/lid (101 stars, last pushed 27d ago), licensed MIT. It adds 85 tokens to every session and 3,239 once invoked, about $0.0004 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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