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 kostja94/marketing-skills --skill indexnowgit clone --depth 1 https://github.com/kostja94/marketing-skillsWrote 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/kostja94/marketing-skills/indexnow)<a href="https://agentmods.dev/skills/kostja94/marketing-skills/indexnow"><img src="https://agentmods.dev/badge/skills/kostja94/marketing-skills/indexnow/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/kostja94/marketing-skills/indexnow"><img src="https://agentmods.dev/badge/skills/kostja94/marketing-skills/indexnow.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
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 | $0.00080 | $0.00832 |
| Opus 5 | $0.00040 | $0.00416 |
| Sonnet 5 | $0.00016 | $0.00166 |
| Haiku 4.5 | $0.00008 | $0.00083 |
Grade A, and why
indexnow 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 9d 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 — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Technical: IndexNow
Guides IndexNow protocol integration for faster search engine indexing (primarily Bing).
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Scope (Technical SEO)
- IndexNow: Submit URLs to Bing/Yandex for faster indexing
- URL notification: Notify search engines of new or updated URLs
Initial Assessment
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for site URL.
Identify:
- Site URL: Base domain
- URL source: Config file, sitemap, CMS, etc.
- Deployment: CI/CD, manual, or both
Overview
IndexNow notifies search engines (mainly Bing) of new or updated URLs to speed up indexing.
Implementation Steps
1. API Key and Verification
- Generate API key (e.g., UUID)
- Create verification file:
https://example.com/{key}.txt - File content: the API key string
- Configure key and URL in your IndexNow client
2. Submission Methods
| Method | When to use |
|---|---|
| Single URL | New or updated page |
| Batch | Many URLs at once (e.g., after deploy) |
| Relative paths | Convert to full URLs before submitting |
3. Best Practices
| Practice | Note |
|---|---|
| When to submit | New pages, major content updates, meta changes |
| When not to | Minor edits; let natural crawling handle |
| Frequency | Once per deploy; avoid excessive submissions |
| Priority | Submit high-value commercial pages first |
4. CI/CD Integration
npm run build
npm run indexnow:all
5. Single Source of Truth (URL List)
- Use same config as sitemap: Import URL list from central config (e.g.,
site-pages-config.ts) or sitemap generation logic. - Avoid: Separate hardcoded URL lists for IndexNow—leads to inconsistency and missed URLs.
- Feed: If you have RSS/feed, it can also consume from the same config to stay in sync.
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.
- 9d ago First seen · 101 lines · 80 tokens per session scan A 5d6c133b1fdc
indexnow is a skill published in the GitHub repository kostja94/marketing-skills (967 stars, last pushed 3mo ago), licensed MIT. It adds 80 tokens to every session and 832 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 2026-09-03.
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