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.
git clone --depth 1 https://github.com/ogasurfproject-jpg/horizon-shieldWrote 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/mcp/ogasurfproject-jpg/horizon-shield/hs-mcp-observatory)<a href="https://agentmods.dev/mcp/ogasurfproject-jpg/horizon-shield/hs-mcp-observatory"><img src="https://agentmods.dev/badge/mcp/ogasurfproject-jpg/horizon-shield/hs-mcp-observatory/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/mcp/ogasurfproject-jpg/horizon-shield/hs-mcp-observatory"><img src="https://agentmods.dev/badge/mcp/ogasurfproject-jpg/horizon-shield/hs-mcp-observatory.svg" alt="Reviewed on agentmods" width="80" height="20"></a>Grade A, and why
hs-mcp-observatory 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 1mo 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
{
"hs-mcp-observatory": {
"url": "https://observatory.horizonshield.dev/mcp",
"type": "streamable-http"
}
}What else server.json configures
This page is one entry in a file that holds 6. Installing the file brings all of them; each is measured and scanned on its own page.
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.
- 1mo ago First seen · 6 lines scan A bd705a61031b
hs-mcp-observatory is an MCP server published in the GitHub repository ogasurfproject-jpg/horizon-shield (2 stars, last pushed yesterday), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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 2026-09-14.
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