Rendeverance/toolfunnel

Overview

A zero-dependency MCP gateway that lets you attach, filter, gate, and observe local tools and MCP servers through a single funnel. It also enables creating MCP servers without writing any code.

Best for

Best for
Developers needing a lightweight MCP gateway or quick no-code MCP server creation

Use cases

• Centralizing tool access for MCP clients
• Filtering and gating tool calls in a pipeline
• Creating MCP servers without coding

How to use

Tools exposed

• toolfunnel_list_tools
• toolfunnel_tool_instructions
• toolfunnel_howto
• toolfunnel_run_tool
• tf_tool_add
• tf_tool_set
• tf_mcp_add
• tf_mcp_set
• tf_hook_add
• tf_hook_set
• tf_list
• tf_log
• tf_pack
• echo
• base64

Example client config

{\n  "tools": {\n    "echo": {\n      "enabled": true,\n      "hot": false,\n      "hidden": false\n    },\n    "base64": {\n      "enabled": true,\n      "hot": false,\n      "hidden": false\n    }\n  },\n  "mcps": {},\n  "hooks": {},\n  "log": {\n    "enabled": false,\n    "path": "toolfunnel.log.jsonl"\n  }\n}

Notes

A zero-dependency MCP gateway that lets you attach, filter, gate, and observe local tools and MCP servers through a single funnel. It also enables creating MCP servers without writing any code.

3 stars on GitHub. Last updated 2026-07-13. Licensed MIT.

Use cases

• Centralizing tool access for MCP clients
• Filtering and gating tool calls in a pipeline
• Creating MCP servers without coding

Pros

• Zero-dependency design keeps the footprint small
• Enables MCP server creation with no code
• Provides a unified funnel for tool observation and control

Cons

• Low star count (3) indicates limited community adoption
• JavaScript only, no support for other languages
• Documentation and examples may be sparse

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.