Live 56 Actions

MeisterTask MCP Server
for AI Agents

Q: What AI frameworks and AI clients does the StackOne MeisterTask MCP server support?

The StackOne MeisterTask 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.

Connect your AI agent to StackOne's MeisterTask MCP server and give it 56 MCP tools out of the box. Auth, tool execution, and security all managed.

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MeisterTask MCP Server

Built by

StackOne

Coverage

56 Agent Actions

Create, read, update, and delete across MeisterTask — and extend your agent's capabilities with custom actions.

MCP Actions → Build Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your MeisterTask MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every MeisterTask 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 MeisterTask call.

Tools Discovery →

What is the MeisterTask MCP Server?

A MeisterTask MCP server lets AI agents read and write MeisterTask data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's MeisterTask MCP server ships with 56 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 MeisterTask MCP Tools

Every action from MeisterTask's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

Projects

Create Project
Creates a new project (Kanban board).
List Projects
Returns a paginated list of projects (Kanban boards) the authenticated user has access to.
Get Project
Returns full details for a single project by id.
Update Project
Updates an existing project's name, notes, or status.

Sections

Create Section
Creates a new section (board column) within a project.
List Sections
Returns a paginated list of sections (board columns) across all projects the user has access to.
Get Section
Returns full details for a single section by id.
Update Section
Updates an existing section's name or status.

Tasks

Create Task
Creates a new task within a section.
List Tasks
Returns a paginated list of tasks across all projects the user has access to.
Get Task
Returns full details for a single task by id.
Update Task
Updates an existing task's fields (name, notes, due date, status, assignee, section).

Comments

Create Comment
Creates a new comment on a task.
Get Comment
Returns full details for a single comment by id.
Delete Comment
Deletes a comment by id.

Attachments

Create Attachment
Uploads a file attachment to a task via multipart/form-data.
Get Attachment
Returns full details for a single attachment by id.
Delete Attachment
Deletes an attachment by id.

Labels

Create Label
Creates a new label within a project.
Get Label
Returns full details for a single label by id.
Update Label
Updates an existing label's name or color.
Delete Label
Deletes a label by id.

Checklists

Get Checklist
Returns full details for a single checklist by id.
Update Checklist
Updates an existing checklist's name.
Delete Checklist
Deletes a checklist by id.

Checklist Items

Create Checklist Item
Creates a new item inside a checklist.
Get Checklist Item
Returns full details for a single checklist item by id.
List Checklist Items
Returns a paginated list of items inside a checklist.
Update Checklist Item
Updates an existing checklist item's name or status.
Delete Checklist Item
Deletes a checklist item by id.

Project Checklists

Create Project Checklist
Creates a reusable checklist template within a project.
List Project Checklists
Returns a paginated list of reusable checklist templates defined within a project.

Task Checklists

Create Task Checklist
Creates a checklist directly on a task.
List Task Checklists
Returns a paginated list of checklists applied to a task.

Persons

List Persons
Returns a paginated list of persons (users) visible to the authenticated user.
Get Person
Returns full details for a single person by id.

Custom Fields

Create Custom Field
Sets a custom field value on a task.
Get Custom Field
Returns full details for a single custom field by id.
List Custom Fields
Returns the list of custom field values on a task.
Update Custom Field
Updates the value of an existing custom field on a task.
Delete Custom Field
Deletes a custom field by id.

Other (15)

Create Subtask
Creates a new subtask attached to a task.
List Project Members
Returns the list of members for a single project.
List Task Subtasks
Returns a paginated list of subtasks for a single task.
List Task Comments
Returns a paginated list of comments on a task.
List Task Attachments
Returns a paginated list of attachments on a task.
List Project Labels
Returns all labels defined within a project.
List Task Label Assignments
Returns a paginated list of label assignments on a task.
Get Task Label
Returns full details for a single task_label assignment by id.
List Section Tasks
Returns a paginated list of tasks within a section.
List Project Tasks
Returns a paginated list of tasks within a project (across all sections).
List Project Persons
Returns a paginated list of persons (members) on a project.
Get Current Person
Returns the currently authenticated person (the resource owner of the access token).
Duplicate Project
Duplicates an existing project including its sections.
Attach Label To Task
Attaches an existing label to a task.
Detach Label From Task
Detaches a label from a task by task_label id.

Set Up Your MeisterTask MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to MeisterTask in under 10 lines of code.

MCP Clients

Agent Frameworks

Claude Desktop-

JSON

Claude Desktop Docs

{
  "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>"
      ]
    }
  }
}

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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

MCP vs A2A: Architecture, Security, and When to Use Each

MCP vs A2A: what each protocol standardizes, how they differ, their shared security risks including indirect prompt injection, and when to use one, both, or a hybrid architecture.

12 min

MCP vs API: What 200+ Connector Builds Taught Us

MCP wraps APIs, it doesn't replace them. After building 200+ connectors that serve both, here's when each approach wins.

14 min read

MeisterTask MCP Server FAQ

Does StackOne have a MeisterTask MCP server?

Yes. StackOne offers a hosted MeisterTask MCP server with 56 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.

MeisterTask MCP server vs direct API integration — what's the difference?

A MeisterTask MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling MeisterTask. A MeisterTask 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 MeisterTask at runtime. StackOne provides both.

How does MeisterTask authentication work for AI agents?

MeisterTask 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 MeisterTask account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.

Are MeisterTask MCP tools vulnerable to prompt injection?

Yes — MeisterTask 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 MeisterTask agent and how do I avoid it?

Context bloat happens when MeisterTask tool schemas and API responses eat your MeisterTask agent's memory, preventing it from reasoning effectively. A single MeisterTask 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 MeisterTask agent can access?

Yes — you can limit which actions your MeisterTask 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 MeisterTask MCP server?

Yes — you can create custom agent actions for your MeisterTask MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research MeisterTask's API, generate production-ready connector YAML, test against the live API, and validate before you ship.

When should I NOT use a MeisterTask MCP server?

Skip a MeisterTask MCP server if your integration is purely software-to-software — direct MeisterTask 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 MeisterTask actions at runtime.

What AI frameworks and AI clients does the StackOne MeisterTask MCP server support?

The StackOne MeisterTask 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.

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All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

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MeisterTask MCP Serverfor AI Agents