Lexicon MCP Server

io.github.ashlrai/lexicon

Repository Registry

What is the Lexicon MCP server?

Fixes the names and jargon speech-to-text gets wrong before your agent acts on a dictated prompt.

How to install Lexicon

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

LEXICON_PATH
Path to the global lexicon YAML. Defaults to $XDG_CONFIG_HOME/lexicon/lexicon.yaml, else ~/.config/lexicon/lexicon.yaml.
LEXICON_CWD
Directory used to locate the project .lexicon.yaml. Defaults to the server process working directory.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "lexicon": {
      "command": "npx",
      "args": [
        "-y",
        "@ashlr/lexicon",
        "mcp"
      ],
      "env": {
        "LEXICON_PATH": "<YOUR_LEXICON_PATH>",
        "LEXICON_CWD": "<YOUR_LEXICON_CWD>"
      }
    }
  }
}

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