github/github-mcp-server · error

failed to unmarshal features: %w

Error message

failed to unmarshal features: %w

What it means

Error "failed to unmarshal features: %w" thrown in github/github-mcp-server.

Source

Thrown at cmd/github-mcp-server/main.go:107

			if viper.IsSet("tools") {
				if err := viper.UnmarshalKey("tools", &enabledTools); err != nil {
					return fmt.Errorf("failed to unmarshal tools: %w", err)
				}
			}

			// Parse excluded tools (similar to tools)
			var excludeTools []string
			if viper.IsSet("exclude_tools") {
				if err := viper.UnmarshalKey("exclude_tools", &excludeTools); err != nil {
					return fmt.Errorf("failed to unmarshal exclude-tools: %w", err)
				}
			}

			// Parse enabled features (similar to toolsets)
			var enabledFeatures []string
			if viper.IsSet("features") {
				if err := viper.UnmarshalKey("features", &enabledFeatures); err != nil {
					return fmt.Errorf("failed to unmarshal features: %w", err)
				}
			}

			ttl := viper.GetDuration("repo-access-cache-ttl")
			stdioServerConfig := ghmcp.StdioServerConfig{
				Version:              version,
				Host:                 viper.GetString("host"),
				Token:                token,
				EnabledToolsets:      enabledToolsets,
				EnabledTools:         enabledTools,
				EnabledFeatures:      enabledFeatures,
				ReadOnly:             viper.GetBool("read-only"),
				ExportTranslations:   viper.GetBool("export-translations"),
				EnableCommandLogging: viper.GetBool("enable-command-logging"),
				LogFilePath:          viper.GetString("log-file"),
				ContentWindowSize:    viper.GetInt("content-window-size"),
				LockdownMode:         viper.GetBool("lockdown-mode"),
				InsidersMode:         viper.GetBool("insiders"),

View on GitHub (pinned to 0ea1f775a7)

When it happens

Trigger: Thrown at cmd/github-mcp-server/main.go:107 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of github/github-mcp-server@0ea1f775a7 (2026-08-15). Data as JSON: /api/errors/62bad0d8dcb1b498. Report an issue: GitHub.