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MiniURL

io.github.addychang/miniurl in the official MCP registry. Endpoint https://workers.miniurl.com/mcp. Source: github.com/addychang/miniurl.com.

The registry describes it as: OAuth 2.1 short-link tools for AI agents with scoped tokens, approvals, audit logs, and revocation.

We read its 23 tools on 2026-10-29. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.

A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.

Connect it

The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:

Claude Code

claude mcp add --transport http miniurl https://workers.miniurl.com/mcp

Cursor: ~/.cursor/mcp.json

{
  "mcpServers": {
    "miniurl": {
      "url": "https://workers.miniurl.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"miniurl","type":"http","url":"https://workers.miniurl.com/mcp"}'

Some servers ask you to sign in the first time a client connects, or want a key from the people who run them; the server's own docs say which. The free lazaretto-guard plugin reads a server's tools the moment Claude Code adds it and asks you if one of our rules matches.

Tools it advertises

create_guest_token clear_authentication shorten_url send_registration_code verify_registration_code get_account_status start_pro_upgrade list_domains add_domain delete_domain verify_domain list_links get_link update_link delete_link bulk_create_links get_link_stats check_alias list_tags create_tag delete_tag tag_link untag_link

Run this server? Show the check in your README

The badge reflects the latest weekly read:

Markdown

[![MCP tool check](https://lazaretto.dev/mcp-registry/io-github-addychang-miniurl/badge.svg)](https://lazaretto.dev/mcp-registry/io-github-addychang-miniurl)

How this was checked

Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.

To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.