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Teamleader Focus MCP Server
for AI Agents
Connect your AI agent to StackOne's Teamleader Focus MCP server and give it 52 MCP tools out of the box. Auth, tool execution, and security all managed.
Teamleader Focus MCP Server
Built by 
StackOne
StackOne 
Coverage
52 Agent Actions
Create, read, update, and delete across Teamleader Focus — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your Teamleader Focus MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every Teamleader Focus tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Teamleader Focus call.
Tools Discovery →What is the Teamleader Focus MCP Server?
A Teamleader Focus MCP server lets AI agents read and write Teamleader Focus data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Teamleader Focus MCP server ships with 52 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All Teamleader Focus MCP Tools
Every action from Teamleader Focus's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
A Companys
- Update A Company
Updates an existing company. Collection fields (emails, telephones, addresses, tags) replace entirely.
- Delete A Company
Deletes a company by id.
A Contacts
- Update A Contact
Updates an existing contact. Collection fields replace entirely.
- Delete A Contact
Deletes a contact by id.
A Deals
- Update A Deal
Updates an existing deal.
- Delete A Deal
Deletes a deal by id.
A Quotations
- Send A Quotation
Sends one or more quotations from the same deal via email.
- Update A Quotation
Updates an existing quotation.
- Delete A Quotation
Deletes a quotation by id.
A Draft Invoices
- Create A Draft Invoice
Creates a draft invoice. Must be booked separately with `book_invoice` before it can be sent.
- Update A Draft Invoice
Updates a draft invoice. Booked invoices cannot be updated here.
An Invoices
- Send An Invoice
Sends a booked invoice via email. The sending department must have an email_address configured — otherwise the provider returns 400 "Invoice could not be sent via email".
- Delete An Invoice
Deletes an invoice by id (only drafts or the last booked invoice).
A Tasks
- Update A Task
Updates an existing task. NOTE - this endpoint requires the `todos` OAuth scope.
- Delete A Task
Deletes a task by id. NOTE - this endpoint requires the `todos` OAuth scope.
A Tickets
- Create A Ticket
Creates a new customer-support ticket.
- Update A Ticket
Updates an existing ticket.
Other (35)
- Create A New Company
Creates a new company. `name` is required; everything else is optional.
- Create A New Contact
Creates a new contact. `last_name` is required.
- Create A New Deal
Creates a new deal for a customer.
- Create A New Quotation
Creates a quotation tied to a deal.
- Create A New Task
Creates a new task. NOTE - this endpoint requires the `todos` OAuth scope, not `tasks`.
- Create A New Calendar Event
Creates a new calendar event.
- List Companies
Returns a paginated list of companies in the Teamleader account.
- Get A Single Company
Returns full details for a single company by id.
- List Contacts
Returns a paginated list of contacts.
- Get A Single Contact
Returns full details for a single contact by id.
- List Deals
Returns a paginated list of deals.
- Get A Single Deal
Returns full details for a single deal by id.
- List Quotations
Returns a paginated list of quotations.
- Get A Single Quotation
Returns full details for a single quotation by id.
- List Invoices
Returns a paginated list of invoices.
- Get A Single Invoice
Returns full details for a single invoice by id.
- List Tasks
Returns a paginated list of tasks. NOTE - this endpoint requires the `todos` OAuth scope, not `tasks`.
- Get A Single Task
Returns information about a task. NOTE - this endpoint requires the `todos` OAuth scope.
- List Calendar Events
Returns a paginated list of calendar events.
- Get A Single Calendar Event
Returns full details for a single calendar event by id.
- List Tickets
Returns a paginated list of customer-support tickets.
- Get A Single Ticket
Returns full details for a single ticket by id.
- Get The Authenticated User
Returns the authenticated user (the resource owner of the access token).
- List Users
Returns a paginated list of users in the Teamleader account.
- Get A Single User
Returns full details for a single user by id.
- List Departments
Returns a list of departments (legal entities).
- Get A Single Department
Returns full details for a single department by id.
- Update A Calendar Event
Updates an existing calendar event.
- Mark Deal As Won
Marks a deal as won.
- Mark Deal As Lost
Marks a deal as lost with an optional reason.
- Mark Quotation As Accepted
Marks a quotation as accepted by the customer.
- Book A Draft Invoice
Books a draft invoice (assigns invoice number, locks structural changes).
- Register A Payment For An Invoice
Registers a payment against an invoice.
- Mark Task As Complete
Marks a task as completed. NOTE - this endpoint requires the `todos` OAuth scope.
- Cancel A Calendar Event
Cancels a calendar event for all attendees.
Teamleader Focus AI Agent Use Cases
Connect your AI agent to Teamleader Focus and help your team scale the sales operations they run by hand today.
Post-Demo Follow-Up
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate post-demo follow-up.
View Deal Risk Scoring
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate deal risk scoring and pipeline alerts.
View Outbound Prospecting
Use StackOne to connect your AI agent to your CRM, sales engagement, and messaging tools to automate outbound prospecting.
ViewSet Up Your Teamleader Focus MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to Teamleader Focus in under 10 lines of code.
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}Check More CRM MCP Servers
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Platform Resources
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
Teamleader Focus MCP Server FAQ
Does StackOne have a Teamleader Focus MCP server?
Yes. StackOne offers a hosted Teamleader Focus MCP server with 52 pre-built actions, and every action is tested and QA'd by StackOne. Connect it to Claude, Cursor, and any other MCP client, or to any agent framework through the AI Action SDK. It ships with managed agent authentication, prompt injection defense, and tool discovery with server-side execution that preserve your agent's context window and keep reasoning performance.
Teamleader Focus MCP server vs direct API integration — what's the difference?
A Teamleader Focus MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Teamleader Focus. A Teamleader Focus MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Teamleader Focus at runtime. StackOne provides both.
How does Teamleader Focus authentication work for AI agents?
Teamleader Focus authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Teamleader Focus account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are Teamleader Focus MCP tools vulnerable to prompt injection?
Yes — Teamleader Focus MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Teamleader Focus agent and how do I avoid it?
Context bloat happens when Teamleader Focus tool schemas and API responses eat your Teamleader Focus agent's memory, preventing it from reasoning effectively. A single Teamleader Focus query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Teamleader Focus agent can access?
Yes — you can limit which actions your Teamleader Focus agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Teamleader Focus MCP server?
Yes — you can create custom agent actions for your Teamleader Focus MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Teamleader Focus's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Teamleader Focus MCP server?
Skip a Teamleader Focus MCP server if your integration is purely software-to-software — direct Teamleader Focus API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Teamleader Focus actions at runtime.
What AI frameworks and AI clients does the StackOne Teamleader Focus MCP server support?
The StackOne Teamleader Focus MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.