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ragex

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Hybrid Retrieval-Augmented Generation (RAG) system for multi-language codebase analysis. MCP server combining static analysis, knowledge graphs, semantic search with local ML, and advanced graph algorithms for AI-powered code understanding.

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ragex lib mix tasks ragex.serve.ex
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lib/mix/tasks/ragex.serve.ex 

defmodule Mix.Tasks.Ragex.Serve do

  @shortdoc "Start the Ragex REST API HTTP server"

  @moduledoc """

  Starts the Ragex REST API server on the specified port.



  ## Usage



      mix ragex.serve              # default port 4321

      mix ragex.serve --port 8080  # custom port



  The server exposes all MCP tools over HTTP:



  - `GET  /api/health`            -- health check

  - `GET  /api/tools`             -- list tools

  - `GET  /api/openapi.json`      -- OpenAPI spec

  - `POST /api/tools/:tool_name`  -- invoke a tool



  Set `RAGEX_API_KEY` to require authentication.

  """



  use Mix.Task



  @impl true

  def run(args) do

    {opts, _, _} =

      OptionParser.parse(args, strict: [port: :integer])



    port = Keyword.get(opts, :port, 4321)



    # Ensure the application is started (skip bumblebee in tasks to avoid GPU contention)

    Application.put_env(:ragex, :skip_bumblebee, true)

    Application.put_env(:ragex, :start_server, false)

    Application.put_env(:ragex, :start_stdio_server, false)

    Mix.Task.run("app.start")



    Mix.shell().info("Ragex REST API starting on http://localhost:#{port}")

    Mix.shell().info("OpenAPI spec: http://localhost:#{port}/api/openapi.json")

    Mix.shell().info("Press Ctrl+C to stop\n")



    alias Ragex.API.Server, as: APIServer

    {:ok, _pid} = APIServer.start_link(port: port)



    # Keep the task running

    Process.sleep(:infinity)

  end

end