App Data MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| DB_HOST | No | PostgreSQL host for audit logging | |
| DB_NAME | No | PostgreSQL database name for audit logging | |
| DB_PORT | No | PostgreSQL port for audit logging (e.g., 5432) | |
| DB_TYPE | No | Database type for audit logging (e.g., postgres) | |
| DB_USER | No | PostgreSQL user for audit logging | |
| DB_SCHEMA | No | PostgreSQL schema for audit logging (default: public) | |
| DB_PASSWORD | No | PostgreSQL password for audit logging | |
| MCP_HTTP_HOST | No | Host to bind HTTP server (default: 0.0.0.0) | |
| MCP_HTTP_PORT | No | Port for HTTP server (default: 3000) | |
| METABASE_PASS | No | Metabase password for service account (alternative to METABASE_API_KEY) | |
| METABASE_USER | No | Metabase username for service account authentication | |
| AUDIT_LOG_TABLE | No | Table name for audit logs (default: app_data_mcp_audit_logs) | |
| POSTHOG_API_KEY | No | Compatibility alias for POSTHOG_PERSONAL_API_KEY (not recommended) | |
| DATA_ASSETS_FILE | No | Path to the local assets JSON file (default: config/assets.json) | |
| METABASE_API_KEY | No | Metabase API key for service account authentication | |
| POSTHOG_BASE_URL | No | Base URL of the PostHog instance | |
| AUDIT_LOG_ENABLED | No | Enable audit logging to database (true/false) | |
| METABASE_BASE_URL | No | Base URL of the Metabase instance | |
| METABASE_PASSWORD | No | Compatibility alias for METABASE_PASS | |
| METABASE_USERNAME | No | Compatibility alias for METABASE_USER | |
| METABASE_AUTH_MODE | No | Metabase authentication mode (e.g., user-session) | |
| METABASE_LOGIN_URL | No | Login URL for user session authentication | |
| POSTHOG_PROJECT_ID | No | PostHog project ID | |
| APP_DATA_SESSION_FILE | No | Path to store Metabase sessions (default: .data/metabase-sessions.json) | |
| DATA_MAX_SEARCH_LIMIT | No | Maximum number of search results (default: 50) | |
| MCP_HTTP_BEARER_TOKEN | No | Shared HTTP bearer token for server protection | |
| DATA_MAX_RESPONSE_BYTES | No | Maximum response size in bytes (default: 1000000) | |
| DATA_MAX_DASHBOARD_CARDS | No | Maximum number of cards to execute when fetching a dashboard | |
| POSTHOG_PERSONAL_API_KEY | No | PostHog Personal API key (recommended) | |
| DATA_DEFAULT_SEARCH_LIMIT | No | Default number of search results returned (default: 10) | |
| DATA_MAX_RESULT_ROW_LIMIT | No | Maximum result rows allowed for run_asset (default: 500) | |
| METABASE_SESSION_TTL_HOURS | No | Time-to-live for stored Metabase sessions in hours (default: 168) | |
| APP_DATA_REQUIRE_AUTH_TOKEN | No | If true, all data tools require a valid user personal token; set to 'true' or 'false' | |
| APP_DATA_MCP_PUBLIC_BASE_URL | No | MCP public base URL for redirect after Metabase login, e.g., http://127.0.0.1:3000 | |
| DATA_DEFAULT_RESULT_ROW_LIMIT | No | Default number of result rows for run_asset (default: 100) | |
| METABASE_ALLOW_SERVICE_FALLBACK | No | Allow fallback to service account if no user session (true/false) |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| search_assetsB | Search local metadata for Metabase dashboards/cards, PostHog insights, metrics, tables, and events. |
| get_assetB | Get full metadata for one data asset, including source URL, query text, columns, children, and warnings. |
| trace_assetB | Trace where a data asset comes from, including upstream tables/events/assets and original platform links. |
| run_assetC | Return read-only live data for a supported Metabase/PostHog asset, with local sampleData fallback. |
| list_domainsB | List business domains found in the local metadata config. |
| catalog_statusA | Show whether the local asset catalog is initialized and how many assets it contains. |
| auth_statusA | Check the current MCP request user and Metabase authorization status. Call this before run_asset for Metabase assets. |
| connector_statusA | Show whether Metabase and PostHog connector environment variables are configured. Secrets are never returned. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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