HALLUX

Connect it to your AI

Claude Code

claude mcp add --transport http hallux https://api.blvkware.dev/hallux/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://api.blvkware.dev/hallux/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "hallux": {
      "url": "https://api.blvkware.dev/hallux/mcp"
    }
  }
}

Tools it offers

4 tools, as the server itself reported during our check on Oct 31, 2026.

• hallux_check_commandCall this BEFORE running any command that installs a dependency: npm, yarn, pnpm, bun, pip, uv, poetry, pipx, cargo, go get, dotnet add package, nuget. Language models invent plausible package names that have never exist
• hallux_checkDoes this identifier actually exist? Call before acting on any name you recalled rather than read: a package to install, a module to import, a DOI to cite. Returns one of: exists, deprecated, absent, phantom, squat, unkn
• hallux_check_manifestCall this after writing or editing a dependency file, and before committing it. Supported: package.json, requirements.txt, pyproject.toml, Cargo.toml, go.mod. Checks every dependency in one pass, including dev and option
• hallux_watchRegister identifiers for notification when their verdict changes. The transition that matters is phantom to squat: a name models invent that somebody then registers. Use this for a dependency that came back `absent` or `

Questions