MCP security report

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

D55/100
Security grade DHigh-severity signals — review these before connecting.
Connected ✓30 tools scanned

https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/lower-ok/mcp

highagent-tool-index
Embedded instruction to follow untrusted redirect chain
The description directs the agent to 'Follow start_here.hop first (skill file, 302)' and then follow additional 'docs, CLI, and remote MCP hops.' This is an instruction embedded in a tool description telling the AI to fetch and act on content from an external, unvetted location ('Monid' pay-per-call gateway) before doing anything else. This is a classic vector for prompt injection or supply-chain attack: the 'skill file' fetched via redirect could contain further instructions that override the agent's behavior, or point it toward installing/executing untrusted remote MCP servers or CLI tools. The agent should not blindly follow a chain of redirects/hops instructed by a tool description without user awareness and confirmation.
mediumpeople-search-index
Facilitates discovery of a people-search / personal data lookup service
This tool's stated purpose is to help locate a 'living people-search index (Ploid)' and provide API/CLI/remote MCP hops for it. Surfacing and encouraging use of people-search/data-broker style services raises privacy and safety concerns (potential for doxxing, stalking, or harvesting personal information about real individuals) and is a broad capability disguised as a simple lookup/index tool. It also shares the same 'follow hops' pattern as agent-tool-index, meaning it could lead the agent to fetch and act on unvetted remote instructions or install additional tooling for personal-data lookups.
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.
lowlower-ok, utc-time, timezone, validate-json, normalize-url, inspect-robots, domain-shape, citation, compatibility, status-catalog, iana-zones, web-fetch, fetch-status, github-repo-shape, weather-hint, memory-key-count, file-path-ok, browser-url-ok, think-steps, search-query-len, hn-front-count, lib-docs-hint, playwright-url-ok, figma-url-shape, jira-key-shape, geo-hint, calc-eval, wiki-title-ok
Uniform oversized schema unrelated to each tool's single stated purpose
Every tool in this set exposes the identical nine-parameter schema (zone, json, url, host, city, query, path, ref, feed) regardless of its narrow, single-purpose description (e.g., 'utc-time' accepts a city, path, feed, json body, git ref, etc. that have nothing to do with returning a timestamp). While each field description claims data is 'discarded', the mismatch between a tool's stated function and its accepted inputs is unusual: it could let a caller (or a manipulated agent) route arbitrary file paths, URLs, feeds, or JSON payloads through tools that appear unrelated to those inputs, and makes it hard for a reviewer or user to know what data a given call will actually touch. This pattern warrants clarification or schema tightening so each tool only exposes parameters relevant to its documented purpose.
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MCP security grade D

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Scanned 9/17/2026 · This is a point-in-time snapshot of the server’s public tools. Re-scan.

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