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Metabase AI Assistant — Model Context Protocol (MCP) Server

npm version License Node.js MCP SDK

Metabase AI Assistant is an enterprise-grade Model Context Protocol (MCP) server that connects Large Language Models (LLMs), AI coding assistants, and automated data workflows directly to your Metabase Business Intelligence instance.

Featuring 143 dedicated tools, native dbt Semantic Layer awareness, Governance-First Business Memory (explicit approvals, soft-deprecation), autonomous self-healing SQL execution, full-scale dashboard architecting, proactive anomaly detection, query index advisory, zero-leak PII masking, and strict security guardrails.


🌍 Language Versions / Dil Seçenekleri / 语言版本 / النسخ اللغوية


Table of Contents


Core Architectural Highlights

Metabase AI Assistant transforms standard AI interfaces (Claude Desktop, Cursor, VS Code, ChatGPT, Gemini, automated agent frameworks) into full-fledged Metabase power users:

  1. dbt Semantic Layer & Model Tier Awareness: Prioritizes curated Gold Marts (fct_, dim_, rpt_) over raw staging tables to ensure clean, tested metric calculations.
  2. Governance-First Semantic Memory Engine: Learns company-specific business rules with explicit proposal and approval workflows. Implements safe soft-deprecation (no hard deletes) with mandatory audit comments.
  3. Autonomous Self-Healing SQL Engine: Executes queries, catches database syntax/schema errors, inspects table structures, repairs queries automatically across 3 retry loops, and returns audited results.
  4. End-to-End Autonomous Dashboard Architect: Generates 6–8 tailored metric cards, calculates collision-free 24-column grid coordinates, saves questions, builds dashboards, and binds global filters in a single request.
  5. AI Query Index & Materialized View Advisor: Analyzes SQL and EXPLAIN query plans to recommend optimal composite indexes and materialized view definitions.
  6. Proactive KPI Anomaly & Outlier Detector: Multi-model statistical engine (Z-Score, Tukey IQR, Bollinger Bands) to detect metric anomalies with dimensional root-cause hypotheses.
  7. Zero-Leak Enterprise PII Masker: Real-time masking of emails, phone numbers, national IDs, credit cards, IP addresses, and tokens before data leaves for LLM contexts.

Next-Gen Autonomous Features (v5.1)

1. dbt Architectural Hierarchy & Source Prioritization

$$\mathbf{Gold;Marts;(fct_,;dim_,;rpt_)} ;\gg; \mathbf{Silver;(int_)} ;\gg; \mathbf{Bronze;Staging;(stg_)}$$

  • dbt_inspect_models: Parses dbt manifest.json and MetricFlow semantic models.
  • dbt_prioritize_sources: Dynamically routes natural language questions to pre-aggregated, tested dimensional and fact tables.

2. Governance-First Semantic Memory (No Silent Learning, No Hard-Deletes)

  • semantic_memory_propose: Proposes a business rule in PENDING_APPROVAL status.
  • semantic_memory_approve: Explicitly activates the rule with required data steward comments.
  • semantic_memory_deprecate: Safely soft-archives rules with mandatory audit reasons (DEPRECATED).
  • semantic_memory_restore: Instantly restores archived rules.
  • semantic_memory_list: Lists all rules with complete audit history and timestamps.

3. Autonomous Self-Healing SQL Engine (ai_sql_execute_and_heal)

  • Catches syntax errors, Levenshtein-distance column misspellings, missing GROUP BY clauses, and dialect quirks across Postgres, MySQL, BigQuery, Snowflake, and SQLite.
  • Preserves fix history in _provenance.healing_trail.

Metabase Version Compatibility

Metabase AI Assistant provides backward and forward compatibility across all major Metabase architectures:

Metabase Version Range Compatibility Level Key Features Supported
Metabase v0.55 – v0.61+ (Current) Full Support Modern MBQL 5 format (stages, lib/type), /api/upload/csv, updated collection permissions, multi-tab dashboards
Metabase v0.50 – v0.54 Full Support Collection tree hierarchies (/api/collection/tree), Model cards, API Key auth (x-api-key), sequential parametric queries
Metabase v0.43 – v0.49 Full Support Session token authentication (X-Metabase-Session), legacy MBQL query pipelines, database introspection
Metabase Open Source & Enterprise Full Support Automatic feature detection (whitelabeling, audit logs, granular data permissions)

Quick Start & Installation

Global Execution via NPX

npx metabase-ai-assistant

Manual Installation via NPM

npm install -g metabase-ai-assistant

Client Configuration & Desktop Setup

1. Claude Desktop

Option A: One-Click Extension (DXT / MCPB)

  1. Open Claude Desktop Settings -> Developer / Extensions -> Install Local Extension.
  2. Select this repository folder.
  3. Or install via Smithery CLI:
    npx -y @smithery/cli install metabase-ai-assistant --client claude

Option B: Manual JSON Configuration

Add the server definition to claude_desktop_config.json:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "metabase": {
      "command": "npx",
      "args": ["-y", "metabase-ai-assistant"],
      "env": {
        "METABASE_URL": "https://your-metabase-instance.com",
        "METABASE_API_KEY": "mb_your_api_key_here",
        "METABASE_READ_ONLY_MODE": "true"
      }
    }
  }
}

2. Cursor IDE, Windsurf & VS Code

Add to .cursor/mcp.json or VS Code MCP settings:

{
  "mcpServers": {
    "metabase": {
      "command": "npx",
      "args": ["-y", "metabase-ai-assistant"],
      "env": {
        "METABASE_URL": "https://your-metabase-instance.com",
        "METABASE_API_KEY": "mb_your_api_key_here",
        "METABASE_READ_ONLY_MODE": "true"
      }
    }
  }
}

3. ChatGPT Custom GPTs & Actions

Expose Metabase AI Assistant as an OpenAPI Action for ChatGPT Plus / Team / Enterprise:

  1. Start the Remote SSE/HTTP server: npm run start:sse
  2. In ChatGPT, create a Custom GPT -> Actions -> Import from URL: https://your-domain.com/tools/openapi.json
  3. Detailed setup guide: docs/integrations/CHATGPT_ACTIONS_GUIDE.md

4. Google Gemini & Google AI Studio

Pass tool definitions to Gemini Function Calling SDKs (@google/genai or google-generativeai):

5. Cloudflare Workers (Serverless Edge)

Deploy directly to Cloudflare's edge network for free:

cd deploy/cloudflare
npx wrangler deploy

Tool Categories Overview (143 Tools)

The 143 MCP tools are categorized into 10 operational domains:

  1. dbt & Semantic Layer (6 tools): Model hierarchy inspection, lineage resolution, source prioritization, governance-first business memory (propose, approve, soft-deprecate, restore).
  2. Autonomous AI BI Operations (4 tools): Self-healing SQL engine, end-to-end dashboard architect, query index advisor, proactive anomaly detector.
  3. SQL & Query Execution (14 tools): Direct SQL queries, async execution jobs, query status tracking, pagination, and speed benchmarks.
  4. AI Query Intelligence (6 tools): Natural language to SQL, query performance optimizer, query explainer, automated table description.
  5. Cards & Visualizations (34 tools): Question creation, query execution, parametric filtering, card cloning, visualization settings.
  6. Dashboards & Layouts (22 tools): Dashboard creation, grid placement, filter linking, tab management, executive templates.
  7. Collections & Organization (8 tools): Collection tree traversal, hierarchical moves, permission graphs, item listing.
  8. Schema & Data Modeling (18 tools): Schema retrieval, foreign key inference, data profiling, table definitions.
  9. User & Permission Administration (12 tools): User invitations, group assignments, membership controls, status toggling.
  10. Actions & Documentation (19 tools): Metabase actions execution, pulses, alerts, webhooks, metrics, segment definitions, workspace migration.

Testing & Quality Assurance

Backed by an automated multi-tier test suite covering unit logic, integration workflows, and security fuzzing:

# Run complete test suite (32 suites, 583 tests)
npm test

# Run unit tests
npm run test:unit

# Run integration workflows
npm run test:integration

# Run security & PII zero-leak fuzzing tests
npm run test:security

License

Licensed under the Apache License 2.0. See the LICENSE file for details.

Developed and maintained by Abdullah Enes SARI (ONMARTECH LLC).

About

🚀 The most powerful MCP Server for Metabase - 111+ tools for AI SQL generation, dashboard automation & enterprise BI. Works with Claude, Cursor, ChatGPT.

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