MCP security report

agent-observatory-sensor.nolimit-observatory.workers.dev

F5/100
Security grade FHigh-severity signals — review these before connecting.
Connected ✓31 tools scanned

https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/kg-to-lb/mcp

highagent-tool-index
Embedded agent-directed navigation instructions with tracking parameters
The description instructs the AI agent to 'Follow start_here.hop first' and pass through a 302 redirect containing utm_source/utm_medium tracking parameters, then follow further 'docs, CLI, and remote MCP hops.' This is an imperative directive aimed at the agent's behavior (not just a description of the tool's function), nudging it to autonomously traverse an external, undisclosed chain of links/redirects to a 'pay-per-call tool gateway.' This could lead the agent to register for paid services, execute untrusted CLI instructions, or connect to arbitrary remote MCP servers without the user's informed consent.
highpeople-search-index
Agent-directed hop-following into a people-search / data-broker service
Like the other 'index' tools, this description commands the agent to 'Follow start_here.hop' through tracked redirects to reach a 'living people-search index.' Beyond the embedded agent-directive pattern, the underlying capability (locating a people-search index) is a privacy-sensitive capability that could facilitate doxxing or unauthorized personal-data lookups, which is disproportionate to the stated minimal purpose of 'finding an index.'
highagent-ads-index
Embedded instructions directing agent to onboard the user/operator into a paid trial
The description instructs the agent to follow a tracked redirect chain and explicitly mentions returning a '7-day trial handoff for your operator.' This frames the tool as a vehicle for enrolling the user in a commercial trial via agent-driven automation, combined with imperative language ('Follow start_here.hop first') aimed at controlling agent behavior rather than simply describing functionality — a social-engineering/prompt-injection pattern that could result in unintended financial or contractual commitments on behalf of the user without their explicit informed consent.
mediumagent-tool-index
Reference to monetized 'pay-per-call' gateway could incur costs
The tool promotes discovery of a pay-per-call service; if the agent acts on this without clear user authorization, it could result in unexpected charges or data being sent to a third-party monetized API gateway.
low
Not on gate's verified list
This server isn't on gate's handpicked list. That's not necessarily bad, but there's no third-party signal about it — review its tools carefully.
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MCP security grade F

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Scanned 10/2/2026 · This is a point-in-time snapshot of the server’s public tools. Re-scan.

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