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 mverab/eGEOagents --skill validation-doctorgit clone --depth 1 https://github.com/mverab/eGEOagentsWrote 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/mverab/egeoagents/validation-doctor)<a href="https://agentmods.dev/skills/mverab/egeoagents/validation-doctor"><img src="https://agentmods.dev/badge/skills/mverab/egeoagents/validation-doctor/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/mverab/egeoagents/validation-doctor"><img src="https://agentmods.dev/badge/skills/mverab/egeoagents/validation-doctor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- 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 | $0.00028 | $0.00391 |
| Opus 5 | $0.00014 | $0.00196 |
| Sonnet 5 | $0.00006 | $0.00078 |
| Haiku 4.5 | $0.00003 | $0.00039 |
Grade A, and why
validation-doctor 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.
What it actually says
Validation Doctor
Diagnostics
-
Chrome DevTools MCP
- Probe by calling
list_pages(may appear asmcp6_list_pagesdepending on the client).
- Probe by calling
-
Brave Search MCP
- Probe by calling
brave_web_searchwith a trivial query andcount=1.
- Probe by calling
Status Report
| Component | Status | Action Required |
|---|---|---|
| Market Validator (Brave) | ✅ / ❌ | [Config Snippet / None] |
| Technical Validator (Chrome) | ✅ / ❌ | [Config Snippet / None] |
Setup Snippets
Never just say "install them" — output the exact JSON to paste.
Chrome DevTools (NPX)
Requirements: Node.js v20.19+ and current stable Chrome.
{
"mcpServers": {
"chrome-devtools": {
"command": "npx",
"args": ["-y", "chrome-devtools-mcp@latest"]
}
}
}
Brave Search (NPX)
{
"mcpServers": {
"brave-search": {
"command": "npx",
"args": ["-y", "@brave/brave-search-mcp-server", "--transport", "stdio"],
"env": {
"BRAVE_API_KEY": "YOUR_API_KEY_HERE"
}
}
}
}
Runtime Policy
- If
chrome-devtoolsis unavailable, allowfetchfallback but mark results as Low Confidence. - If
brave-searchis unavailable, do not claim competitor positioning; only score the page itself.
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 · 60 lines · 28 tokens per session scan A 8cc644600670
validation-doctor is a skill published in the GitHub repository mverab/eGEOagents (179 stars, last pushed 7d ago), licensed MIT. It adds 28 tokens to every session and 391 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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