Module: Legion::MCP::Client::Pool

Extended by:
Logging::Helper
Defined in:
lib/legion/mcp/client/pool.rb

Class Method Summary collapse

Class Method Details

.all_tools ⇒ Object 



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# File 'lib/legion/mcp/client/pool.rb', line 33

def all_tools
  healthy = ServerRegistry.healthy_servers
  log.debug("[mcp][pool] action=all_tools healthy_servers=#{healthy.size}")
  healthy.flat_map do |name, _config|
    conn = connection_for(name)
    next [] unless conn

    conn.tools.map do |tool|
      tool_entry = {
        name:          tool[:name],
        description:   tool[:description],
        input_schema:  tool[:input_schema],
        tool_class:    nil,
        dispatch_type: :mcp_remote,
        extension:     "mcp:#{name}",
        source:        :mcp_remote,
        mcp_server:    name
      }
      # Register into the central registry so LLM pipeline sees these too
      if Legion::Settings::Extensions.respond_to?(:register_tool)
        Legion::Settings::Extensions.register_tool(tool[:name], tool_entry)
      end
      tool_entry
    end
  rescue StandardError => e
    handle_exception(e, level: :warn, operation: 'legion.mcp.client.pool.all_tools')
    ServerRegistry.mark_unhealthy(name)
    []
  end
end

.connection_for(server_name) ⇒ Object 



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# File 'lib/legion/mcp/client/pool.rb', line 14

def connection_for(server_name)
  @mutex.synchronize do
    if @connections.key?(server_name)
      log.debug("[mcp][pool] action=connection_for server=#{server_name} cached=true")
      return @connections[server_name]
    end

    config = ServerRegistry.servers[server_name]
    unless config
      log.debug("[mcp][pool] action=connection_for server=#{server_name} found=false")
      return nil
    end

    log.debug("[mcp][pool] action=connection_for server=#{server_name} creating=true")
    conn = Connection.new(name: server_name, **config.except(:registered_at, :source))
    @connections[server_name] = conn
  end
end

.refresh_tools! ⇒ Object 



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# File 'lib/legion/mcp/client/pool.rb', line 64

def refresh_tools!
  log.debug("[mcp][pool] action=refresh_tools connections=#{@connections.size}")
  @mutex.synchronize do
    @connections.each_value do |conn|
      conn.tools(force_refresh: true)
    rescue StandardError => e
      handle_exception(e, level: :debug, operation: 'legion.mcp.client.pool.refresh_tools!')
    end
  end
  all_tools
end

.reset! ⇒ Object 



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# File 'lib/legion/mcp/client/pool.rb', line 76

def reset!
  log.debug("[mcp][pool] action=reset connections=#{@connections.size}")
  @mutex.synchronize do
    @connections.each_value do |connection|
      connection.disconnect
    rescue StandardError => e
      handle_exception(e, level: :debug, operation: 'legion.mcp.client.pool.reset!')
    end
    @connections.clear
  end
end