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Teamleader Focus MCP by usefulapi

io.usefulapi/teamleader-focus in the official MCP registry. Endpoint https://teamleader-focus.usefulapi.io/mcp. Source: github.com/m190/usefulapi-mcp.

The registry describes it as: Read Teamleader Focus contacts, companies, deals, invoices, projects; create deals, tasks.

We read its 36 tools on 2026-11-01. 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 teamleader-focus https://teamleader-focus.usefulapi.io/mcp

Cursor: ~/.cursor/mcp.json

{
  "mcpServers": {
    "teamleader-focus": {
      "url": "https://teamleader-focus.usefulapi.io/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"teamleader-focus","type":"http","url":"https://teamleader-focus.usefulapi.io/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.

Let Claude Code check servers as it adds them

With the free lazaretto-guard plugin installed, when Claude Code adds a server for you or writes one into an MCP config, the plugin reads the server's tools first and asks you if one of our rules matches. Install it, restart Claude Code, then ask it to run the command above.

Install lazaretto-guard

claude plugin marketplace add jamesdfinance-dev/lazaretto-plugins
claude plugin install lazaretto-guard@lazaretto-plugins

Tools it advertises

teamleader_get_current_user teamleader_list_users teamleader_list_contacts teamleader_get_contact teamleader_list_companies teamleader_get_company teamleader_list_deals teamleader_get_deal teamleader_list_deal_pipelines teamleader_list_deal_phases teamleader_list_invoices teamleader_get_invoice teamleader_list_projects teamleader_list_tasks teamleader_list_time_tracking teamleader_list_tickets teamleader_list_work_types teamleader_list_departments teamleader_list_products teamleader_get_product teamleader_list_product_categories teamleader_list_quotations teamleader_get_quotation teamleader_list_activity_types teamleader_list_events teamleader_list_subscriptions teamleader_get_subscription teamleader_list_notes teamleader_create_contact teamleader_create_company teamleader_create_deal teamleader_create_task teamleader_add_note teamleader_create_event teamleader_complete_task teamleader_add_time_tracking

Tool changes

We compare every full read of this server with the one before. No change in what its tools say has been seen since we started keeping this record on 2026-10-30.

Fingerprint of its tools at our last full read (2026-11-01): b5aea006e27fd65d. A client can hash the tools it is served the same way and compare; the full value and a hash per tool are in this page as JSON.

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-usefulapi-teamleader-focus/badge.svg)](https://lazaretto.dev/mcp-registry/io-usefulapi-teamleader-focus)

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.