gateway/mcp: swappable Resolver + mountable JSON-RPC HTTP handler#3331
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Adds a Resolver interface (Manual/Registry) so the tool source is pluggable, and NewHandler(resolver) serving standard MCP JSON-RPC over HTTP as an http.Handler you can mount on your own server. Neither resolver exposes the internal store/broker tools. Additive — the existing Serve() path is unchanged.
Adds a Resolver interface (Manual/Registry) so the tool source is pluggable, and NewHandler(resolver) serving standard MCP JSON-RPC over HTTP as an http.Handler you can mount on your own server. Neither resolver exposes the internal store/broker tools. Additive — the existing Serve() path is unchanged.
Adds a Resolver interface (Manual/Registry) so the tool source is pluggable, and NewHandler(resolver) serving standard MCP JSON-RPC over HTTP as an http.Handler you can mount on your own server. Neither resolver exposes the internal store/broker tools. Additive — the existing Serve() path is unchanged.
This was referenced Jun 29, 2026
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Separates the MCP protocol/transport (the gateway's job) from what tools exist and how they execute (the product's job).
Additive: the existing /REST path and tests are untouched. Motivation: dogfooding mu on go-micro — a product wants to expose its full tool set (services and non-services) over a mounted MCP endpoint without the gateway exposing raw store/broker internals.
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