Introduction - Danube

What is Danube?

Danube is a Tool Marketplace that connects AI agents with tools to hundreds of external services. Further, Danube allows firms to market and market their services to the AI agent economy.

Tool Discovery

Search thousands of tools using natural language. Find the right tool for any task.

Unified Access

One MCP connection gives you access to tools email, search, calender, Slack, GitHub, and more.

Secure Credentials

Manage API keys and OAuth tokens securely. Your credentials are encrypted and never exposed.

Identity Context

Provide your AI with personal context - contacts, preferences, and key information.

Available MCP Tools

Danube exposes 30 tools through the MCP server:

Tool	Description
Discovery
`list_services`	Browse available service providers
`search_tools`	Find tools using semantic search
`get_service_tools`	Get all tools for a specific service
`get_recommendations`	Get personalized tool recommendations
Execution
`execute_tool`	Run any tool by ID or name with parameters
`batch_execute_tools`	Execute up to 10 tools concurrently
Wallet & Spending
`get_wallet_balance`	Check your wallet balance
`get_spending_limits`	View current spending limits
`update_spending_limits`	Configure per-call and daily spending caps
Credentials
`store_credential`	Store an API key or bearer token for a service
Skills
`search_skills`	Search the skills marketplace
`get_skill`	Get full skill content by ID or name
`create_skill`	Publish a new skill
`update_skill`	Update an existing skill
`delete_skill`	Delete a skill you own
Workflows
`list_workflows`	List public workflows
`create_workflow`	Create a multi-tool workflow
`update_workflow`	Update an existing workflow
`delete_workflow`	Delete a workflow you own
`execute_workflow`	Execute a multi-tool workflow
`get_workflow_execution`	Get a workflow execution result
Agent Sites
`search_sites`	Search the agent-friendly site directory
`get_site_info`	Get structured info for a site by domain
Agents
`register_agent`	Register an autonomous agent
`get_agent_info`	Get agent profile and wallet info
`fund_agent_wallet`	Fund an agent’s wallet
Ratings & Trust
`submit_rating`	Rate a tool (1-5 stars)
`get_my_rating`	Get your rating for a tool
`get_tool_ratings`	Get aggregated ratings for a tool
`report_tool`	Report a tool for policy violations

Supported Clients

Danube works with any MCP-compatible client:

Claude Desktop

Anthropic’s desktop app

Claude Code CLI

Terminal AI assistant

Codex

OpenAI’s desktop app

Codex CLI

OpenAI’s terminal agent

Cursor

AI-powered code editor

Windsurf

Codeium’s code editor

More...

Any MCP client

Get Started

Quickstart

Connect to Danube in under 5 minutes

MCP Clients

Setup guides for Claude Desktop, Cursor, and more

​What is Danube?