Serves Markdown documentation as an MCP server, enabling AI agents to answer questions from your content. Supports local, npm, and Cloudflare deployment with reusable prompts and resources.
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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
Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)
Hono JWT Middleware's JWT Algorithm Confusion via Unsafe Default (HS256) Allows Token Forgery and Auth Bypass
Hono vulnerable to arbitrary file access via serveStatic vulnerability
[](https://m8ven.ai/mcp/circlesac-mcp-docs-server-b0x2rq)