geo-technical

geo-technical is a skill for Claude Code from techhorizonlabs/thl-open. It costs 28 tokens per session (822 once invoked), scanned A, original, MIT.

A technical website check focused on whether search engines and AI crawlers can reach, read, and understand a site.

In plain words
What is it for?
It checks crawlability, indexability, security, performance, server-side rendering, structured access rules, and AI crawler access across selected pages.
Why use it?
A site can look fine to visitors but remain hidden if its pages cannot be crawled, indexed, or rendered without running JavaScript. This audit looks for those problems.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is **Provenance (THL):** tag the score `[scan]` (data fetched this run), `[partial-scan]`, `[heuristic]` (judgement, no data), or `[unmeasured]` — and emit `—` ins.

Part of the thl-open plugin — 17 skills shipped together

Good fit It checks crawlability, indexability, security, performance, server-side rendering, structured access rules, and AI crawler access across selected pages.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/techhorizonlabs/thl-open
agentmods
npx agentmods add skills/techhorizonlabs/thl-open/geo-technical

Made for: Claude Code.

Or install thl-open, the plugin that ships this one along with the rest of its 17 skills.

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 geo-technical

README.md
[![agentmods](https://agentmods.dev/badge/skills/techhorizonlabs/thl-open/geo-technical.svg)](https://agentmods.dev/skills/techhorizonlabs/thl-open/geo-technical)
Your own site
<a href="https://agentmods.dev/skills/techhorizonlabs/thl-open/geo-technical"><img src="https://agentmods.dev/badge/skills/techhorizonlabs/thl-open/geo-technical.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 822 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00028 $0.00822
Opus 5 $0.00014 $0.00411
Sonnet 5 $0.00006 $0.00164
Haiku 4.5 $0.00003 $0.00082

Measured 7d ago against content hash a80508de5c97, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

geo-technical scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

2. Fetch each page using curl/WebFetch to get raw HTML and HTTP headers.
skills/geo-technical/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GEO Technical SEO Audit

Purpose

Technical SEO is the foundation of both traditional search visibility and AI search citation. A technically broken site cannot be crawled, indexed, or cited by any platform. This skill audits eight categories of technical health with specific attention to GEO requirements — most critically server-side rendering (AI crawlers do not execute JavaScript) and AI crawler access (many sites inadvertently block AI crawlers in robots.txt).

How to Use This Skill

  1. Collect the target URL (homepage + 2-3 key inner pages).
  2. Fetch each page using curl/WebFetch to get raw HTML and HTTP headers.
  3. Work through each of the eight categories in references/audit-categories.md, scoring each against its rubric there. (That file also covers the IndexNow check.)
  4. Total the category scores into the 100-point composite below.
  5. Generate GEO-TECHNICAL-AUDIT.md using references/output-template.md.

The two GEO-critical categories — AI crawler access (Category 1.2) and server-side rendering (Category 7) — are where conventional SEO audits miss the most. A site can pass a traditional audit and still be invisible to AI crawlers because its content is client-rendered or GPTBot is disallowed. Always confirm these two by fetching raw HTML with curl (no JS execution).


Overall Scoring

Category Max Points Weight
Crawlability 15 Core foundation
Indexability 12 Core foundation
Security 10 Trust signal
URL Structure 8 Crawl efficiency
Mobile Optimization 10 Google requirement
Core Web Vitals 15 Ranking signal
Server-Side Rendering 15 GEO critical
Page Speed & Server 15 Performance
Total 100

Per-category point breakdowns live alongside each category's checks in references/audit-categories.md.

Score Interpretation

  • 90-100: Excellent — technically sound for both traditional SEO and GEO
  • 70-89: Good — minor issues to address but fundamentally solid
  • 50-69: Needs Work — significant technical debt impacting visibility
  • 30-49: Poor — major issues blocking crawling, indexing, or AI visibility
  • 0-29: Critical — fundamental technical failures requiring immediate attention

Read the full file on GitHub · 72 lines

Files

What ships with it

2 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.

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 · 72 lines · 28 tokens per session scan A a80508de5c97

Subscribe to this mod's changes

geo-technical is a skill published in the GitHub repository techhorizonlabs/thl-open (15 stars, last pushed 12d ago), licensed MIT. It adds 28 tokens to every session and 822 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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