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v0.3.0 - first public release

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@Rendeverance Rendeverance released this 04 Jul 17:55

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 (jose installed on demand - the core stays zero-dependency)
  • Observability metrics
  • PreToolUse gate hooks (deny-hook, fail-closed)

Requires Node >= 18. MIT.