update

update is a skill for Claude Code from me2resh/apexyard. It costs 27 tokens per session (14,067 once invoked), scanned A, original, MIT.

A workflow for bringing changes from an upstream repository into your fork. It previews the changes, applies them on a separate sync branch, and guides any required version migrations.

In plain words
What is it for?
Use it to keep a fork aligned with its upstream project and work through changes needed between versions.
Why use it?
It removes the repetitive manual steps of fetching changes, creating branches, merging or rebasing, pushing, and opening a pull request.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md; names the AskUserQuestion tool.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is # e.g. SIBLING_ROOT=../apexyard-portfolio.

Good fit Use it to keep a fork aligned with its upstream project and work through changes needed between versions.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/me2resh/apexyard
agentmods
npx agentmods add skills/me2resh/apexyard/update

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 update

README.md
[![agentmods](https://agentmods.dev/badge/skills/me2resh/apexyard/update/github.svg)](https://agentmods.dev/skills/me2resh/apexyard/update)
Your own site
<a href="https://agentmods.dev/skills/me2resh/apexyard/update"><img src="https://agentmods.dev/badge/skills/me2resh/apexyard/update/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 update

Your own site · 80×15
<a href="https://agentmods.dev/skills/me2resh/apexyard/update"><img src="https://agentmods.dev/badge/skills/me2resh/apexyard/update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 14,067 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 warn 7 Sept 2026
SkillSpector: 3 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Tool Misuse · line 127
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
  • high Tool Misuse · line 240
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
  • high Tool Misuse · line 1078
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
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 $0.00027 $0.14067
Opus 5.5 $0.00011 $0.05627
Sonnet 5.5 $0.00005 $0.02813
Haiku 4.5 $0.00003 $0.01407

Measured 15d ago against content hash 0494f0ba38fd, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

update 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 15d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (tests/test_step_8a_wiring.sh), 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.

.claude/skills/update/SKILL.md · 1,166 lines

How it starts

The opening of the file, as written. The whole thing — 1,166 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/update — Sync ApexYard Fork from Upstream

Read .claude/rules/writing-standard.md. Use the controlled technical writing profile for the sync PR body and migration notes. Lead with the outcome and next action.

Single-command replacement for the manual "fetch → branch → merge → push → PR" dance that fork maintainers do to pull upstream apexyard changes into their ops fork.

Path resolution

Read the registry path via portfolio_registry, the per-project docs dir via portfolio_projects_dir, and the ideas backlog via portfolio_ideas_backlog — all from .claude/hooks/_lib-portfolio-paths.sh. Source the helper at the top of any bash block that touches those paths:

source "$(git rev-parse --show-toplevel)/.claude/hooks/_lib-read-config.sh"
source "$(git rev-parse --show-toplevel)/.claude/hooks/_lib-portfolio-paths.sh"
registry=$(portfolio_registry)

Defaults match today's single-fork layout (./apexyard.projects.yaml, ./projects, ./projects/ideas-backlog.md). Adopters in split-portfolio mode override the portfolio.{registry, projects_dir, ideas_backlog} keys in .claude/project-config.json. Don't hardcode literal apexyard.projects.yaml or projects/ paths in bash blocks — the helper resolves whichever mode the adopter is in. See docs/multi-project.md.

Usage

/update                              # merge-based sync (default, safer)
/update --rebase                     # rebase local customisations on top of upstream
/update --dry-run                    # preview only, don't touch anything
/update --from-version v1.2.0        # override the version anchor (use when fork anchor is missing/wrong)
/update --skip-migrations            # files-only sync; do NOT run the per-version migration chain
/update --skip-adapter-sync          # do not refresh an already-installed Codex adapter
/update --from-dev                   # (hidden) pull from upstream/dev — pre-release; expect breakage

Read the full file on GitHub · 1,166 lines

Files

What ships with it

1 file 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. 15d ago Changed · +9 lines 0494f0ba38fd
  2. 29d ago Changed · +37 lines ba744f11c1c8
  3. 1mo ago Changed · +6 lines 8d8088e6a80a
  4. 1mo ago Changed · +14 lines 6a8edec55217
  5. 1mo ago Changed · +4 lines 128e50e5a895
  6. 2mo ago First seen · 1,096 lines · 27 tokens per session scan A 5417b749f70a

Subscribe to this mod's changes

update is a skill published in the GitHub repository me2resh/apexyard (542 stars, last pushed yesterday), licensed MIT. It adds 27 tokens to every session and 14,067 once invoked, about $0.0001 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 2026-09-03.

Related

update compared with skills from other repositories

update next to 6 skills from other repositories
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