seo-schema

seo-schema is an agent for Claude Code from AgriciDaniel/seo-os. It costs 24 tokens per session (517 once invoked), scanned A, original, AGPL-3.0.

A tool for finding, checking, and creating Schema.org structured data in JSON-LD, a machine-readable format that helps search engines understand page content.

In plain words
What is it for?
Use it to inspect, validate, and generate structured data for webpages.
Why use it?
It helps detect invalid or missing markup that can prevent search engines from interpreting important details about a page.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Use it to inspect, validate, and generate structured data for webpages.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/agricidaniel/seo-os/seo-schema
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.

Clone the repo
git clone --depth 1 https://github.com/AgriciDaniel/seo-os

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 seo-schema

README.md
[![agentmods](https://agentmods.dev/badge/agents/agricidaniel/seo-os/seo-schema.svg)](https://agentmods.dev/agents/agricidaniel/seo-os/seo-schema)
Your own site
<a href="https://agentmods.dev/agents/agricidaniel/seo-os/seo-schema"><img src="https://agentmods.dev/badge/agents/agricidaniel/seo-os/seo-schema.svg" alt="Measured on agentmods" height="20"></a>
Per session 24 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 517 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 $0.00024 $0.00517
Opus 5 $0.00012 $0.00259
Sonnet 5 $0.00005 $0.00103
Haiku 4.5 $0.00002 $0.00052

Measured 7d ago against content hash ef44812fffab, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

seo-schema 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 7d 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.

vendored/claude-seo/agents/seo-schema.md · 67 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

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. 7d ago First seen · 67 lines · 24 tokens per session scan A ef44812fffab

Subscribe to this mod's changes

seo-schema is an agent published in the GitHub repository AgriciDaniel/seo-os (121 stars, last pushed 2mo ago), licensed AGPL-3.0. It adds 24 tokens to every session and 517 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 2026-08-30.

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