v0.3.0 - first public release
ToolFunnel 0.3.0, as published to npm (npm install toolfunnel) on 2026-06-30.
Zero-dependency MCP gateway - funnel multiple MCP servers through one endpoint.
- Live attach/detach of upstream MCP servers
- Tool filtering, gating and hide/expose per client (
tf_tool_set, expose config) - Hot config reload
- Upstream health tracking + auto-reconnect
- HTTP/SSE transport with optional OAuth 2.1 resource-server validation (
joseinstalled on demand - the core stays zero-dependency) - Observability metrics
- PreToolUse gate hooks (deny-hook, fail-closed)
Requires Node >= 18. MIT.