Hosts multiple Model Context Protocol servers (fetch, memory, GitHub, Postgres, utils) behind a single authenticated gateway, giving AI agents instant access via one Bearer token.
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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
express vulnerable to XSS via response.redirect()
process.env. You'll be asked to provide them before it can run.ALLOW_NO_AUTH— The published binary stays production-safe: in a non-interactive environment (containers, CI) it still fails closed and refuses to start without AUTH_TOKEN unless you set =true.AUDIT_LOG— No false Log one structured JSON line per MCP request (ip, server, method, tool, status).AUTH_TOKEN— 2. Railway auto-generates a strong for you.DATABASE_URL— Postgres /mcp/postgres list_tables, describe_table, query (READ ONLY transactions)ENABLED_SERVERS— No all Comma-separated server ids (utils,fetch,memory,github,postgres) or all.FETCH_ALLOW_HOSTS— No — Comma-separated hostname allowlist for the fetch server.FETCH_MAX_BYTES— No 1000000 Max bytes fetched per request by the fetch server.GITHUB_TOKEN— GitHub /mcp/github search_repositories, get_repo, get_file, list_issuesMAX_BODY_BYTES— No 1000000 Max JSON request body size in bytes.MEMORY_FILE— Mount a volume at /data and set =/data/memory.json to persist agent memory.PORT— No 8080 Listen port (Railway injects this).PUBLIC_URL— 3. Set to the assigned Manufact URL.RATE_LIMIT_RPM— No 120 Requests per minute per IP on /mcp/ and /api/; 429 beyond.STRICT_HEADER_VALIDATION— No false Reject Mcp-Method header/body mismatches (2026-07-28 behavior) instead of warning.[](https://m8ven.ai/mcp/kbncodes-mcp-server-hub-17tixl)