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Cube.dev MCP Server

Bring Semantic Layer
to CrewAI

Learn how to connect Cube.dev to CrewAI and start using 15 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Check LiveCheck ReadyConvert QueryExecute Cube SqlGenerate Meta TokenGet EntityGet MetaGet Pre Aggregation Job StatusGet SqlList Data SourcesList DeploymentsList EntitiesList EnvironmentsLoad QueryTrigger Pre Aggregation Job

Compatible with every major AI agent and IDE

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Cube.dev

What is the Cube.dev MCP Server?

Connect your Cube.dev instance to any AI agent to bridge the gap between natural language and your data warehouse. This server allows your agent to interact with Cube's semantic layer, ensuring consistent metrics and high-performance data retrieval.

What you can do

  • Data Querying — Execute complex REST API queries using load_query to fetch aggregated data with measures, dimensions, and filters.
  • SQL Inspection — Use get_sql and execute_cube_sql to debug or run raw queries against the SQL API for deep data investigation.
  • Metadata Exploration — Retrieve cube definitions, views, and segments via get_meta to understand your data model without leaving the chat.
  • Performance Management — Trigger and monitor background pre-aggregation builds with trigger_pre_aggregation_job to ensure your dashboards stay fast.
  • Cloud Management — List deployments and environments if using Cube Cloud to manage your infrastructure context.

How it works

  1. Subscribe to this server
  2. Provide your Cube API URL and Secret Token
  3. Start asking questions about your data metrics and model structure

Who is this for?

  • Data Engineers — quickly verify data models and trigger cache refreshes via CLI or AI interface.
  • Analytics Engineers — debug generated SQL and inspect metadata to ensure metric consistency.
  • Product Managers — get instant answers to data questions by letting the AI query the semantic layer directly.

Built-in capabilities (15)

check_live

Check if Cube deployment is live

check_ready

Check if Cube deployment is ready

convert_query

Convert a SQL query to a REST API query format

execute_cube_sql

Execute a raw SQL query against the SQL API

generate_meta_token

Requires CUBE_CLOUD_API_KEY. Generate a JWT for the Metadata API

get_entity

Get detailed metadata for a specific entity

get_meta

Get metadata for cubes and views

get_pre_aggregation_job_status

Get status of pre-aggregation jobs

get_sql

Useful for debugging. Get generated SQL for a Cube query

list_data_sources

List configured data sources

list_deployments

Requires CUBE_CLOUD_API_KEY. List all Cube Cloud deployments

list_entities

List all cubes and views

list_environments

Requires CUBE_CLOUD_API_KEY. List environments for a deployment

load_query

Use this to get aggregated data. Execute a Cube query and return results

trigger_pre_aggregation_job

Trigger a pre-aggregation build job

Why CrewAI?

When paired with CrewAI, Cube.dev becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Cube.dev tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.

  • Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools

  • CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the mcps parameter and agents auto-discover every available tool at runtime

  • Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls

  • Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports

See it in action

Cube.dev in CrewAI

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

Cube.dev and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect Cube.dev to CrewAI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for Cube.dev in CrewAI

The Cube.dev MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 15 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in CrewAI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Cube.dev
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

The Vinkius Advantage

How Vinkius secures Cube.dev for CrewAI

Every tool call from CrewAI to the Cube.dev MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

Can I see the exact SQL that Cube generates for a specific query?

Yes. You can use the get_sql tool. By providing the query JSON, the agent will return the generated SQL string, which is perfect for debugging or verifying your data logic.

02

How do I refresh the data cache or pre-aggregations using the AI?

You can use the trigger_pre_aggregation_job tool. You can specify which cubes or data sources to target, and the agent will initiate the background build process for you.

03

Is it possible to explore the available measures and dimensions?

Absolutely. Use the get_meta tool to fetch all metadata. This allows the AI to understand what data is available to be queried, including views and segments.

04

How does CrewAI discover and connect to MCP tools?

CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.

05

Can different agents in the same crew use different MCP servers?

Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.

06

What happens when an MCP tool call fails during a crew run?

CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.

07

Can CrewAI agents call multiple MCP tools in parallel?

CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.

08

Can I run CrewAI crews on a schedule (cron)?

Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.

09

MCP tools not discovered

Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.

10

Agent not using tools

Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".

11

Timeout errors

CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.

12

Rate limiting or 429 errors

Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.

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