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Language Server Protocol implementation for Robot Framework

Project description

Language Server Protocol implementation for Robot Framework


Python 3.7+ and Robot Framework 3.2+.

Note: if using the Robot Framework Selenium Library, version 4.4+ is required.


Robot Framework Language Server can be installed from the VisualStudio Marketplace or as a .vsix.

To get a .vsix, download the latest Deploy - RobotFramework Language Server Extension in Robotframework-lsp Github Actions.

See: Install from a vsix for details installing a .vsix into VSCode.

See: Getting Started for a tutorial with some screenshots.


After having Robot Framework Language Server installed, some configurations (such as specifying the python executable used for launching the Language Server or Robot Framework) may be needed.

See: Config for details.

See: FAQ for common issues encountered while configuring the language server.


See: Contributing for how to help in the development of Robot Framework Language Server.

Reporting Issues

See: Reporting Issue for details on how to report some issue in the Robot Framework Language Server.

Features (1.0.0)

  • Test Explorer support in VSCode.
  • Interactive Console: a REPL for interactively experimenting with Robot Framework (for VSCode).
  • Code analysis: checks if keywords/variables are properly imported/defined.
  • Linting with Robocop.
  • Code completion for keywords, keyword parameters, section headers, section settings, variables, resource imports and library imports.
  • Code completion for all keywords in the workspace with auto-import of Library or Resource.
  • Casing of keywords from libraries used in code-completion can be configured.
  • Go to definition for keywords, variables, resource imports and library imports.
  • Find references for keywords and variables.
  • Rename keywords and variables.
  • Symbols browser for keywords in workspace (activated through Ctrl + T).
  • Document symbols.
  • Highlight of keywords and variables.
  • Syntax highlighting (using semanticTokens).
  • Syntax validation.
  • Signature Help (activated through Ctrl + Shift + Space).
  • Code Formatting (see: Editor Settings for details on how to toggle code formatting just for robotframework).
  • Hover.
  • Code folding.
  • Launch .robot files.
  • Debugger:
    • Add line breakpoints in .robot or .py files
    • Break on log error/failure
    • Evaluate keywords in debug console/hover/watch
    • Pause at breakpoints to inspect the stack and see variables
    • Breakpoint condition/hitCondition/logMessage
    • Step in
    • Step over
    • Step return
    • Continue

See: Changelog for details.

License: Apache 2.0

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