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.
npx skills add KirKruglov/claude-skills-kit --skill weekly-competitor-trackergit clone --depth 1 https://github.com/KirKruglov/claude-skills-kitWrote 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.
[](https://agentmods.dev/skills/kirkruglov/claude-skills-kit/weekly-competitor-tracker)<a href="https://agentmods.dev/skills/kirkruglov/claude-skills-kit/weekly-competitor-tracker"><img src="https://agentmods.dev/badge/skills/kirkruglov/claude-skills-kit/weekly-competitor-tracker/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.
<a href="https://agentmods.dev/skills/kirkruglov/claude-skills-kit/weekly-competitor-tracker"><img src="https://agentmods.dev/badge/skills/kirkruglov/claude-skills-kit/weekly-competitor-tracker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00090 | $0.02086 |
| Opus 5 | $0.00045 | $0.01043 |
| Sonnet 5 | $0.00018 | $0.00417 |
| Haiku 4.5 | $0.00009 | $0.00209 |
Grade A, and why
weekly-competitor-tracker 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 10d 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.
How it starts
The opening of the file, as written. The whole thing — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Weekly Competitor Tracker
This skill tracks weekly competitor changes by comparing your current markdown competitor notes against a saved snapshot from the previous week. It generates a structured delta-report showing what changed, what's new, and what was removed — with no APIs, no code, and no external services required.
Input:
competitors/folder with one.mdfile per competitor (e.g.,competitors/acme.md)- Optional:
competitors/snapshot/subfolder with previous-week versions of the same files
Output:
competitor-delta-YYYY-MM-DD.md— structured delta-report saved to thecompetitors/folder
Language Detection
Detect the user's language from their message:
- If Russian (or contains Cyrillic): respond in Russian
- If English (or other Latin-script language): respond in English
- If ambiguous: respond in the language of the trigger phrase used
Important: All error messages, warnings, and instructions in subsequent steps must be output in the detected language.
Instructions
Step 1: Validate Input
-
Check that the user has provided a path to a
competitors/folder.- If no folder provided:
- EN: "No competitors folder provided. Create a
competitors/folder with one .md file per competitor and try again." - RU: "Папка конкурентов не предоставлена. Создайте папку
competitors/с одним файлом .md на каждого конкурента и повторите попытку."
- EN: "No competitors folder provided. Create a
- If folder is empty (no .md files):
- EN: "No competitor files found in the folder. Add at least one .md file and retry."
- RU: "В папке не найдены файлы конкурентов. Добавьте хотя бы один файл .md и повторите попытку."
- If no folder provided:
-
List all
.mdfiles in thecompetitors/folder (excluding thesnapshot/subfolder).- These are the current-week competitor notes.
- If only non-.md files are found:
- EN: "Warning: only non-markdown files found. Proceed only if .md files exist."
- RU: "Внимание: найдены только файлы не-Markdown. Продолжайте только если существуют файлы .md."
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.
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.
- 10d ago First seen · 188 lines · 90 tokens per session scan A 521771684630
weekly-competitor-tracker is a skill published in the GitHub repository KirKruglov/claude-skills-kit (18 stars, last pushed 1mo ago), licensed MIT. It adds 90 tokens to every session and 2,086 once invoked, about $0.0005 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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