Protobuf has LSP support

7.4 relevance

Protobuf LSP support is directly actionable for developers using Protocol Buffers.

General buf.build

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Why It Matters

For platform engineers and teams using Protobuf for service schemas, this removes a major developer experience gap—bringing first-class IDE support to a critical infrastructure layer, reducing context switching and errors in schema management.

Key Takeaways

Install the Buf LSP via the Buf CLI and configure your editor (VSCode extension or Neovim lspconfig) to get Protobuf IDE support today.

Summary

Buf released the first production-grade LSP server for Protobuf, bringing modern IDE features like go-to-definition, code completion, and semantics-aware syntax highlighting to .proto files. The server is bundled with the Buf CLI and leverages their custom protocompile frontend, which uses a query-driven incremental compilation engine for faster, more accurate diagnostics than protoc. It supports VSCode and Neovim out of the box, with plans to add auto-imports, code completion for custom options, and tighter integration with buf.yaml.

Author

Buf