llama.cpp Gets Full MCP Support with Tools & UI
llama.cpp now includes complete Model Context Protocol support, enabling developers to use tools and a user interface for enhanced local language model
Someone found that llama.cpp just got a massive MCP (Model Context Protocol) implementation that turns the web UI into something way more capable.
The new stuff includes:
- Tool calls with agentic loops - the model can actually use external tools and chain actions
- MCP prompts - reusable prompt templates with argument forms
- Resource browser - navigate and attach files/data with a filetree view
- CORS proxy built-in - no more fighting with cross-origin requests
There’s also a server selector, capability cards showing what each MCP server can do, and a raw output toggle to see exactly what the model sent.
Fair warning - this is bleeding edge development work in PR #18655. The developer suggests only diving in if you’re comfortable with work-in-progress features.
Check it out at: https://github.com/ggml-org/llama.cpp/pull/18655
Pretty wild how this moves llama.cpp from just inference to actually orchestrating tools and resources.
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