Streamable HTTP MCP server for Gmail that enables AI agents to search threads, read messages, manage drafts, and organize the inbox via OAuth authentication.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)
hono: CORS Middleware reflects any Origin with credentials when `origin` defaults to the wildcard
Hono's flaw in URL path parsing could cause path confusion
process.env. You'll be asked to provide them before it can run.RS_TOKENS_FILE[](https://m8ven.ai/mcp/iceener-gmail-streamable-mcp-server-ahw6s3)