mcp-jsRustベースのModel Context Protocol (MCP)サーバでV8 JavaScript ランタイムをエクスポーズし、AIエージェントと組み合わせて使用できるツール。S3またはローカルファイルシステムを介してパERSISTENT_HEAP_SNAPSHOTをサポートし、

What security features does mcp-js have?

mcp-js is secure by default, with host capabilities disabled until explicitly granted via OPA/Rego policies.

Asked by Wei Chen · Nov 27, 2025

What types of transports are supported?

mcp-js supports stdio, Streamable HTTP, and SSE transports, as well as REST sidecar and async execution with pagination.

Asked by Gabriel Duarte · Nov 28, 2025

How are heap snapshots stored?

Heap snapshots are stored via S3 or local filesystem, allowing for persistent state management.

Asked by Priya Nair · Oct 8, 2025

What runtime does mcp-js expose?

mcp-js exposes a V8 JavaScript runtime for AI agents like Claude and Cursor.

Asked by Liam O’Connor · Oct 6, 2025