use flag for maxJobLogLines

Author: mattdholloway

cmd/github-mcp-server/main.go

@@ -75,6 +75,7 @@ func init() {
 	rootCmd.PersistentFlags().Bool("enable-command-logging", false, "When enabled, the server will log all command requests and responses to the log file")
 	rootCmd.PersistentFlags().Bool("export-translations", false, "Save translations to a JSON file")
 	rootCmd.PersistentFlags().String("gh-host", "", "Specify the GitHub hostname (for GitHub Enterprise etc.)")
+	rootCmd.PersistentFlags().Int("content-window-size", 5000, "Specify the content window size")
 
 	// Bind flag to viper
 	_ = viper.BindPFlag("toolsets", rootCmd.PersistentFlags().Lookup("toolsets"))
@@ -84,6 +85,7 @@ func init() {
 	_ = viper.BindPFlag("enable-command-logging", rootCmd.PersistentFlags().Lookup("enable-command-logging"))
 	_ = viper.BindPFlag("export-translations", rootCmd.PersistentFlags().Lookup("export-translations"))
 	_ = viper.BindPFlag("host", rootCmd.PersistentFlags().Lookup("gh-host"))
+	_ = viper.BindPFlag("content_window_size", rootCmd.PersistentFlags().Lookup("content-window-size"))
 
 	// Add subcommands
 	rootCmd.AddCommand(stdioCmd)

pkg/github/actions.go

@@ -8,6 +8,8 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/spf13/viper"
+
 	buffer "github.com/github/github-mcp-server/pkg/buffer"
 	ghErrors "github.com/github/github-mcp-server/pkg/errors"
 	"github.com/github/github-mcp-server/pkg/profiler"
@@ -20,7 +22,6 @@ import (
 const (
 	DescriptionRepositoryOwner = "Repository owner"
 	DescriptionRepositoryName  = "Repository name"
-	maxJobLogLines             = 50000
 )
 
 // ListWorkflows creates a tool to list workflows in a repository
@@ -748,6 +749,11 @@ func downloadLogContent(ctx context.Context, logURL string, tailLines int) (stri
 	prof := profiler.New(nil, profiler.IsProfilingEnabled())
 	finish := prof.Start(ctx, "log_buffer_processing")
 
+	maxJobLogLines := viper.GetInt("content_window_size")
+	if maxJobLogLines <= 0 || maxJobLogLines > 10000 {
+		maxJobLogLines = 10000
+	}
+
 	httpResp, err := http.Get(logURL) //nolint:gosec
 	if err != nil {
 		return "", 0, httpResp, fmt.Errorf("failed to download logs: %w", err)