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MCP live MCP 2025-11-25 streamable-http

HALLUX

dev.blvkware/hallux

Check that a package, module or DOI exists before an agent installs, imports or cites it.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
959ms
last probe
Tools
4
callable
Resources
2
readable
Prompts
0
available
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
4 tools, 2 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
89 characters; more than 30 earns these points.

Tools · 4

hallux_check_command

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 …

hallux_check

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,…

hallux_check_manifest

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…

hallux_watch

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

Verdict semantics

The six verdicts and the action each one calls for. Read this if you are unsure how to act on a result.

hallux://verdicts
Coverage

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"
    }
  }
}