Read-only MCP server exposing Microsoft Clarity analytics data as tools for ChatGPT Agent Builder.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
process.env. You'll be asked to provide them before it can run.CLARITY_API_TOKEN— Microsoft Clarity Bearer tokenCLARITY_BASE_URL— defaults to https://www.clarity.msCLARITY_HTTP_TIMEOUT_MS— timeout for each upstream Clarity HTTP request, default 15000DEFAULT_PROJECT_ID— optional fallback project id for tool callsDEFAULT_TIMEZONE— defaults to Europe/AmsterdamLOG_LEVEL— debug, info, warn, or errorMCP_INCLUDE_RAW_DEFAULT— whether bounded raw samples are included by default, default falseMCP_MAX_RESPONSE_MODE— response mode, currently compactMCP_SAMPLE_ROWS_LIMIT— maximum sample rows returned to the MCP client, default 10MCP_SERVER_API_KEY— optional auth key for MCP requestsMCP_TOOL_TIMEOUT_MS— hard timeout for each MCP tool call, default 20000MCP_TOP_PAGES_LIMIT— maximum page rows returned to the MCP client, default 25MCP_TOP_SIGNALS_LIMIT— maximum signal/friction rows returned to the MCP client, default 25PORT— local/server port, default 3000[](https://m8ven.ai/mcp/creativeuseoftechnology-cut-clarity-mcp-server-1g1cnr)