github/github-mcp-server · error

failed to get GitHub GraphQL client: %w

Error message

failed to get GitHub GraphQL client: %w

What it means

Error "failed to get GitHub GraphQL client: %w" thrown in github/github-mcp-server.

Source

Thrown at pkg/github/repositories.go:2579

			}
			if _, hasPerPage := args["perPage"]; hasPerPage {
				perPage, err := OptionalIntParam(args, "perPage")
				if err != nil {
					return utils.NewToolResultError(err.Error()), nil, nil
				}
				if perPage < 1 || perPage > 100 {
					return utils.NewToolResultError("perPage must be between 1 and 100 when provided"), nil, nil
				}
				pagination.PerPage = perPage
			}
			afterOffset, err := decodeBlameCursor(pagination.After)
			if err != nil {
				return utils.NewToolResultError(err.Error()), nil, nil
			}

			client, err := deps.GetGQLClient(ctx)
			if err != nil {
				return nil, nil, fmt.Errorf("failed to get GitHub GraphQL client: %w", err)
			}

			// Default to HEAD and fetch defaultBranchRef.name in the same query
			// so the response can echo a readable ref.
			refExpression := ref
			if refExpression == "" {
				refExpression = "HEAD"
			}

			var blameQuery struct {
				Repository struct {
					DefaultBranchRef struct {
						Name githubv4.String
					}
					Object struct {
						Typename githubv4.String     `graphql:"__typename"`
						Commit   blameCommitFragment `graphql:"... on Commit"`
						// Annotated tag targets are followed one level. Tag-of-tag

View on GitHub (pinned to 0ea1f775a7)

When it happens

Trigger: Thrown at pkg/github/repositories.go:2579 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/6e5cc2409a4cbd45. Report an issue: GitHub.