Danube

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AI Tools Marketplace

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What can you do with Danube MCP?

Discover tools via natural language — Ask your assistant to find the right tool for a task using search_tools or browse providers with list_services.
Execute tools and workflows — Run any tool with execute_tool, batch up to 10 concurrently, or chain multi-step processes via execute_workflow.
Manage credentials and spending — Securely store API keys with store_credential, check get_wallet_balance, and set per-call or daily caps with update_spending_limits.
Publish and manage skills — Search the skills marketplace with search_skills, create new skills via create_skill, or update and delete your own.
Govern agent access — Register autonomous agents with register_agent, fund their wallets, and track all calls through the audit log.

Documentation

Introduction

Governed tool access for AI agents

What is Danube?

Danube gives AI agents governed access to tools. Your agents call internal systems, databases, and hundreds of ready-made integrations through a single MCP endpoint. They never see a credential, you decide which agent can call what, and every call is logged. Execution can stay inside your own network. Teams can also publish their own tools to the catalog for other agents to use.

Search thousands of tools using natural language. Find the right tool for any task. One MCP connection gives you access to tools email, search, calendar, Slack, GitHub, and more. Manage API keys and OAuth tokens securely. Your credentials are encrypted and never exposed. Provide your AI with personal context - contacts, preferences, and key information. Organizations, roles, tool access policies, and an append-only audit log for every call. Describe an internal HTTP service or a read-only database and get governed tools without code.

Get Started

Install the CLI for agent-first tool execution from the terminal Connect via MCP protocol for IDE and desktop integrations Use the Python or TypeScript SDK for programmatic access

Available MCP Tools

Danube exposes 31 tools through the MCP server. Connect with ?tools=core (or ?tools=core,workflows) to list only the groups a session needs; see Other clients.

Tool	Description
Discovery
`list_services`	Browse available service providers
`search_tools`	Find tools using semantic search; each result carries `readiness` for your account
`get_service_tools`	Get all tools for a specific service
`describe_tool`	Schema, readiness, 30-day usage with common errors, and your last working parameters for one tool
`get_recommendations`	Get personalized tool recommendations
Execution
`execute_tool`	Run any tool by ID or name with parameters; `fields` keeps only the paths you need
`batch_execute_tools`	Execute up to 10 tools concurrently
`fetch_result`	Read a stored result (or a path into it) back by its `execution_id` handle
`set_parameter_defaults`	Remember parameters your account always passes to a service, filled in when a call omits them
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
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 that is broken, degraded, returning incorrect output, or timing out

Supported Clients

Danube works with any MCP-compatible client:

Anthropic's desktop app Terminal AI assistant OpenAI's desktop app OpenAI's terminal agent AI-powered code editor Codeium's code editor Nous Research's open-source agent Any MCP client

Get Started

Connect to Danube in under 5 minutes Setup guides for Claude Desktop, Cursor, and more