Danube

Introduction

​

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

​

Quickstart

Connect to Danube in under 5 minutes

MCP Clients

Setup guides for Claude Desktop, Cursor, and more

Quickstart