HALLUX
dev.blvkware/halluxCheck that a package, module or DOI exists before an agent installs, imports or cites it.
Score: 100/100
Handshake verified by our own probe.
Tools · 4
Call 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 …
Does 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,…
Call 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, inc…
Register 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 ca…
Resources · 2
The six verdicts and the action each one calls for. Read this if you are unsure how to act on a result.
hallux://verdicts
Live and planned namespaces, with their authorities.
hallux://coverage
How to use
Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://api.blvkware.dev/hallux/mcp
Cursor or Cline: add to your MCP config:
{
"mcpServers": {
"hallux": {
"url": "https://api.blvkware.dev/hallux/mcp",
"transport": "streamable-http"
}
}
}