better-agent-terminal: Skill for Claude Code

.claude/skills/check-sdk-updates/SKILL.md

check-sdk-updates is a skill for Claude Code from tony1223/better-agent-terminal. It costs 65 tokens per session (917 once invoked), scanned A, original, MIT.

A version-checking guide for Claude Code, Claude Agent SDK, and Codex SDK packages listed in package.json. It compares the declared versions with the latest versions published on npm.

In plain words
What is it for?
Use it to check SDK and CLI updates in a project and identify packages whose declared versions are behind the latest npm releases.
Why use it?
It removes the need to check each package and npm release separately. It shows which SDKs or command-line tools may need updating.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions Claude Code; mentions Codex.

This is tony1223/better-agent-terminal's own configuration. It tells Claude Code how to work on better-agent-terminal 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 better-agent-terminal configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tony1223/better-agent-terminal. 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/tony1223/better-agent-terminal/main/.claude/skills/check-sdk-updates/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/tony1223/better-agent-terminal

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 check-sdk-updates

README.md
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Your own site
<a href="https://agentmods.dev/skills/tony1223/better-agent-terminal/check-sdk-updates"><img src="https://agentmods.dev/badge/skills/tony1223/better-agent-terminal/check-sdk-updates/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 check-sdk-updates

Your own site · 80×15
<a href="https://agentmods.dev/skills/tony1223/better-agent-terminal/check-sdk-updates"><img src="https://agentmods.dev/badge/skills/tony1223/better-agent-terminal/check-sdk-updates.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 917 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 $0.00065 $0.00917
Opus 5 $0.00032 $0.00458
Sonnet 5 $0.00013 $0.00183
Haiku 4.5 $0.00006 $0.00092

Measured 11d ago against content hash 90991fc1d58f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

check-sdk-updates 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 11d 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/check-sdk-updates/SKILL.md · 65 lines

How it starts

The opening of the file, as written. The whole thing — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Check SDK Updates

Compare the versions of @anthropic-ai/claude-code, @anthropic-ai/claude-agent-sdk, and @openai/codex-sdk declared in package.json against the latest published version on npm.

Steps

  1. Read the dependencies block of package.json and extract the current declared range for each of:

    • @anthropic-ai/claude-code
    • @anthropic-ai/claude-agent-sdk
    • @openai/codex-sdk
  2. Run the following command (single Bash call) to fetch latest versions in parallel:

    npm view @anthropic-ai/claude-code version & \
    npm view @anthropic-ai/claude-agent-sdk version & \
    npm view @openai/codex-sdk version & \
    wait
    

    Map the three lines of output back to the three packages in the order requested.

  3. For each package, compare the declared version (strip leading ^/~) with the latest. Report a compact table:

    Package                              Current    Latest     Status
    @anthropic-ai/claude-code            2.1.119    2.1.120    ⬆ update
    @anthropic-ai/claude-agent-sdk       0.2.119    0.2.119    ✓ up to date
    @openai/codex-sdk                    0.125.0    0.126.0    ⬆ update
    
  4. For each outdated package, analyze the gap between current and latest so the user can decide how to implement the update. For each one:

    a. Get the list of versions in between with:

    npm view <pkg> versions --json
    

    Filter to versions strictly greater than current and ≤ latest. Note the count and span (patch / minor / major bumps).

    b. Try to fetch release notes / changelog. Try in this order, stop at the first that works:

    • npm view <pkg> repository.url → if it points to a GitHub repo, use gh release list -R <owner/repo> --limit 30 and gh release view <tag> -R <owner/repo> for the relevant tags.
    • Look for a CHANGELOG.md inside node_modules/<pkg>/ (already-installed copy reflects the current version, but its history section may still cover newer versions if upstream backfills).
    • Fall back to: npm view <pkg>@<latest> --json and read the description / homepage fields, then WebFetch the homepage's changelog/releases page.

Read the full file on GitHub · 65 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. 11d ago First seen · 65 lines · 65 tokens per session scan A 90991fc1d58f

Subscribe to this mod's changes

check-sdk-updates is a skill published in the GitHub repository tony1223/better-agent-terminal (504 stars, last pushed today), licensed MIT. It adds 65 tokens to every session and 917 once invoked, about $0.0003 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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