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com.jojapi/similarweb
com.jojapi/similarweb in the official MCP registry.
Endpoint https://mcp.jojapi.com/similarweb.
The registry describes it as: Similarweb: Similarweb API allows you to access powerful insights into web analytics and online.
We read its 20 tools on 2026-10-27. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
get_v3_autocomplete get_v2_filter_options get_v3_marketshare get_v2_serp_seismometer get_v2_website_analytics get_v3_website_analytics get_v2_website_competitors get_v3_top_websites get_v2_top_websites get_v3_top_apps get_v2_play_store_top_apps get_v2_play_store_app_details get_v2_app_store_top_apps get_v2_app_store_app_details get_v2_app_analytics_google_play get_v2_app_analytics_app_store get_v2_top_engines get_v2_top_browsers get_v2_top_platforms get_v2_company_details
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-jojapi-similarweb)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.
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