Xepak: declarative local builder for REST, RPC, MCP and RAG servers that agents can write DSL for

rumatoest · reddit · 2026-11-07

Developer rumatoest released Xepak, an open-source declarative builder for REST, RPC, MCP and RAG servers aimed at local/private deployments. It began as a Lua-based PostgREST alternative (disliking PostgREST's reliance on PL/pgSQL) and grew into a multi-protocol server generator from a SQLite prototype. Key twist: AI-friendly docs let even local models write valid DSL configs in minutes — the author watched local AI define an MCP server via DSL and then use it, closing the loop fully offline. Code: github.com/rustrum/xepak

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