What is the key difference between One and Claude Task Master?

One belongs to the Developer Tools category with local stdio execution, while Claude Task Master belongs to the Developer Tools category with local stdio execution.

How do I install One or Claude Task Master in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are One and Claude Task Master free or paid?

One operates under a Free / Open Source model (No auth required). Claude Task Master operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

One lists 3 tools with 0 views and 11 GitHub stars. Claude Task Master lists 6 tools with 9 views and 28,192 GitHub stars.

Can I use both One and Claude Task Master together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

One vs Claude Task Master

In-depth architectural comparison of the One and Claude Task Master MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

One

Developer Tools · Local stdio

Quality: 57/100 (Good) | Auth: No auth required

Claude Task Master

Developer Tools · Local stdio

Quality: 61/100 (Good) | Auth: API Key required

Verdict Summary: Choose One if you need specialized Developer Tools tools running via a local process. Choose Claude Task Master if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose One when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: ONE_SECRET, ONE_IDENTITY, ONE_IDENTITY_TYPE, ONE_PERMISSIONS, ONE_CONNECTION_KEYS, ONE_ACTION_IDS, ONE_KNOWLEDGE_AGENT.
Primary tools included: list_one_integrations, find_one_actions, execute_one_action.

Explore One Details

Choose Claude Task Master when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: ANTHROPIC_API_KEY, OPENAI_API_KEY, GOOGLE_API_KEY, PERPLEXITY_API_KEY, XAI_API_KEY, OPENROUTER_API_KEY, MISTRAL_API_KEY, TASK_MASTER_TOOLS.

Feature & Specification Comparison

Specification	One Developer Tools	Claude Task Master eyaltoledano Developer Tools
Summary	Search, document and execute authenticated API calls across 500+ apps via one MCP server	AI-powered task management system for AI-driven development. Features PRD parsing, task expansion, multi-provider support (Claude, OpenAI, Gemini, Perplexity, xAI), and selective tool loading for optimized context usage.
Category & Scope	Developer Tools

Tools & Capabilities Breakdown

One Tools (3)

list_one_integrations

List available platforms and active connections, each with the `access` it confers (full, methods, or specific actions)

find_one_actions

Find the action for every operation a task needs, across platforms, with its documentation, in one call; `load` fetches more of a document or an alternative's

execute_one_action

Execute an API action on a connected platform

Claude Task Master Tools (6)

PRD parsing

Task expansion

Task dependencies

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

One Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "one": {
      "command": "npx",
      "args": [
        "-y",
        "@withone/mcp"
      ],
      "env": {
        "ONE_SECRET": "YOUR_ONE_SECRET_HERE",
        "ONE_IDENTITY": "YOUR_ONE_IDENTITY_HERE",
        "ONE_IDENTITY_TYPE": "YOUR_ONE_IDENTITY_TYPE_HERE",
        "ONE_PERMISSIONS": "YOUR_ONE_PERMISSIONS_HERE",
        "ONE_CONNECTION_KEYS": "YOUR_ONE_CONNECTION_KEYS_HERE",
        "ONE_ACTION_IDS": "YOUR_ONE_ACTION_IDS_HERE",
        "ONE_KNOWLEDGE_AGENT": "YOUR_ONE_KNOWLEDGE_AGENT_HERE"
      }
    }
  }
}

Claude Task Master Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "eyaltoledano-claude-task-master": {
      "command": "npx",
      "args": [
        "-y",
        "task-master-ai"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
        "GOOGLE_API_KEY": "YOUR_GOOGLE_API_KEY_HERE",
        "PERPLEXITY_API_KEY": "YOUR_PERPLEXITY_API_KEY_HERE",
        "XAI_API_KEY": "YOUR_XAI_API_KEY_HERE",
        "OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE",
        "MISTRAL_API_KEY": "YOUR_MISTRAL_API_KEY_HERE",
        "TASK_MASTER_TOOLS": "YOUR_TASK_MASTER_TOOLS_HERE"
      }
    }
  }
}

Frequently Asked Questions

One is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Claude Task Master belongs to Developer Tools using local stdio subprocess. Select One when you need capabilities focused on developer tools and Claude Task Master when you require tools for developer tools.

More alternatives to One More alternatives to Claude Task Master Developer Tools category hub Canonical compare URL