content-signals

content-signals is a skill for Claude Code, Codex from dribbaengineering/dribba. It costs 21 tokens per session (282 once invoked), scanned A, original, MIT.

A set of instructions in Dribba's robots.txt file that states how AI systems may use its content. Robots.txt is a website file that gives rules to automated visitors.

In plain words
What is it for?
Use it before training on, republishing, or reselling Dribba content; it currently allows search and AI input but disallows AI training.
Why use it?
It helps you check whether reading, summarizing, citing, indexing, training on, or reselling the content is allowed.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/dribbaengineering/dribba/content-signals
Any agent
npx skills add dribbaengineering/dribba --skill content-signals
Clone the repo
git clone --depth 1 https://github.com/dribbaengineering/dribba

Made for: Claude Code, Codex.

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 content-signals

README.md
[![agentmods](https://agentmods.dev/badge/skills/dribbaengineering/dribba/content-signals.svg)](https://agentmods.dev/skills/dribbaengineering/dribba/content-signals)
Your own site
<a href="https://agentmods.dev/skills/dribbaengineering/dribba/content-signals"><img src="https://agentmods.dev/badge/skills/dribbaengineering/dribba/content-signals.svg" alt="Measured on agentmods" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 282 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00021 $0.00282
Opus 5 $0.00010 $0.00141
Sonnet 5 $0.00004 $0.00056
Haiku 4.5 $0.00002 $0.00028

Measured 4d ago against content hash 4fb3903e21c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

content-signals 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 4d 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.

skills/content-signals/SKILL.md · 40 lines

What it actually says

Content Signals — Dribba

https://dribba.com/robots.txt includes Content-Signal directives that declare how AI systems may use Dribba content.

When to use this skill

Read it before training on, republishing or reselling this content: it states what is allowed (read, summarize, cite, index) and what is not (training), and where the machine-readable licence lives.

You do not need it to simply read a page or call the API — those are public.

Current policy

Content-Signal: search=yes, ai-input=yes, ai-train=no
  • search=yes — search engines may index pages for their result pages.
  • ai-input=yes — AI assistants may retrieve and cite pages as grounding for generated responses.
  • ai-train=no — content must not be used as training data for foundation models.

The same directive is attached to every User-agent block, including wildcard and named AI crawlers.

Reference

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. 4d ago First seen · 40 lines · 21 tokens per session scan A 4fb3903e21c2

Subscribe to this mod's changes

content-signals is a skill published in the GitHub repository dribbaengineering/dribba (0 stars, last pushed 12d ago), licensed MIT. It adds 21 tokens to every session and 282 once invoked, about $0.0001 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 2026-08-31.

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