pomodoro-todo-app: Skill for Claude Code

.claude/skills/verify-api-integration/SKILL.md

verify-api-integration is a skill for Claude Code from EndlessDev2016/pomodoro-todo-app. It costs 35 tokens per session (1,200 once invoked), scanned A, original, no licence file.

A verification procedure for checking connections between a front end and back end through an application programming interface, or API. It applies to changes involving todoStore or server routes.

In plain words
What is it for?
Use it after changing todoStore or server routes to verify the front-end and back-end integration.
Why use it?
A change on one side of an API can stop the other side from working even when each part looks correct alone. This procedure checks that the connection still behaves as expected.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is EndlessDev2016/pomodoro-todo-app's own configuration. It tells Claude Code how to work on pomodoro-todo-app 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 pomodoro-todo-app configures →

Reuse

Borrowing it

Nothing to install: this file belongs to EndlessDev2016/pomodoro-todo-app. 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/EndlessDev2016/pomodoro-todo-app/master/.claude/skills/verify-api-integration/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/EndlessDev2016/pomodoro-todo-app

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 verify-api-integration

README.md
[![agentmods](https://agentmods.dev/badge/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration/github.svg)](https://agentmods.dev/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration)
Your own site
<a href="https://agentmods.dev/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration"><img src="https://agentmods.dev/badge/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration/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 verify-api-integration

Your own site · 80×15
<a href="https://agentmods.dev/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration"><img src="https://agentmods.dev/badge/skills/endlessdev2016/pomodoro-todo-app/verify-api-integration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,200 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 $0.00035 $0.01200
Opus 5.5 $0.00014 $0.00480
Sonnet 5.5 $0.00007 $0.00240
Haiku 4.5 $0.00003 $0.00120

Measured 2mo ago against content hash 04cfa3b6de1d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

verify-api-integration 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 2mo 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/verify-api-integration/SKILL.md · 138 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

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. 2mo ago First seen · 138 lines · 35 tokens per session scan A 04cfa3b6de1d

Subscribe to this mod's changes

verify-api-integration is a skill published in the GitHub repository EndlessDev2016/pomodoro-todo-app (5 stars, last pushed 8mo ago), with no licence file. It adds 35 tokens to every session and 1,200 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 2026-08-31.

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