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lsp-server-name-too-short ​

LSP server names should be descriptive

Warning Configurable

Rule Details ​

This rule checks the top-level keys in lsp.json, which serve as server names, and warns when any name is shorter than the configured minimum length. Descriptive server names like typescript-language-server or python-lsp improve readability and maintainability of LSP configuration files. Single-character or very short names make it hard to identify which language server is being configured.

Incorrect ​

Server name that is too short

json
{
  "t": {
    "command": "/usr/bin/tsserver"
  }
}

Correct ​

Descriptive server name

json
{
  "typescript-server": {
    "command": "/usr/bin/tsserver"
  }
}

How To Fix ​

Rename the server key to a more descriptive name that identifies the language or purpose, such as typescript-server, python-lsp, or rust-analyzer.

Options ​

Default options:

json
{
  "minLength": 2
}

Require server names of at least 3 characters:

json
{
  "minLength": 3
}

Allow single-character server names:

json
{
  "minLength": 1
}

When Not To Use It ​

Disable this rule if you have an established convention using short abbreviations for server names that are well-understood by your team.

Resources ​

Version ​

Available since: v0.2.0