We are excited to announce the release of mcp-graphql-forge v0.4.0 on May 3, 2025. This update marks a significant milestone in the project’s evolution by introducing support for Server-Sent Events (SSE), providing users with greater flexibility in how they deploy and interact with their MCP servers.

What’s new

The headline feature of v0.4.0 is the introduction of SSE Mode. Previously, mcp-graphql-forge primarily operated via standard input/output (stdio). Now, you can run the MCP server over HTTP by simply adding the --sse flag to your startup command. This enables two critical endpoints:

  • /mcp/sse: For establishing the SSE connection.
  • /mcp/message: For sending messages to the server.

Beyond the new transport mode, this release includes several quality-of-life improvements:

  • Enhanced Debugging: We’ve added more detailed debug logging for GraphQL requests and responses, making it much easier to trace data flow and troubleshoot schema issues.
  • Improved Error Reporting: Failures related to the token_command now provide clearer, more actionable error messages, reducing the time spent diagnosing authentication problems.

Why it matters

The addition of SSE mode transforms how mcp-graphql-forge can be integrated into your infrastructure. While stdio is perfect for local tool use, HTTP support allows the server to be hosted in remote environments, containers, or behind load balancers, making it accessible to a wider range of clients and orchestration layers.

Combined with the improved logging and error reporting, v0.4.0 lowers the barrier to entry for developers setting up complex GraphQL integrations, providing better visibility into the communication between the MCP client and the GraphQL API.

Getting Started with v0.4.0

Upgrading to v0.4.0 is straightforward. If you are using the binary, simply update to the latest version. Since stdio remains the default mode, your existing configurations will continue to work without any changes.

To try the new SSE mode, start the server with the --sse flag: mcp-graphql-forge --sse [your other options]

We look forward to seeing how you use these new capabilities to build more flexible and robust GraphQL-powered tools.

This post was AI-generated. Model used: unsloth/gemma-4-31B-it-GGUF:UD-Q5_K_XL Reference: UnitVectorY-Labs/mcp-graphql-forge, Release v0.4.0, generated on 2026-04-13. Author: release-storyteller