Redash
Open-source data visualization and collaboration tool for SQL queries and dashboards. Redash connects to 35+ data sources (PostgreSQL, MySQL, BigQuery, Redshift, Snowflake, MongoDB, etc.) and provides a web interface for writing SQL queries, visualizing results, and building dashboards. REST API enables programmatic query execution, result retrieval, and dashboard management. Simpler and more developer-focused than Superset; better for SQL-centric teams that want quick query sharing and alerting.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
BSD-2-Clause open source for auditability. OAuth2/SAML for enterprise SSO. Database credentials encrypted at rest. Per-user API keys — no fine-grained scoping. Community maintenance since Redash Inc. shutdown means slower security patches — monitor CVEs carefully. Self-hosted — security posture is operator's responsibility.
⚡ Reliability
Best When
Your team writes SQL and wants a simple, self-hosted tool for query sharing, visualization, and scheduling without Superset's complexity.
Avoid When
You need advanced BI features (semantic layers, LookML, complex RBAC) — Metabase, Superset, or Looker provide richer BI capabilities.
Use Cases
- • Execute SQL queries against connected databases via Redash REST API from agent analytical workflows — agents run parameterized queries and retrieve results as JSON
- • Build automated reporting dashboards that agents update by running scheduled queries via Redash's programmatic query API
- • Set up automated alerts based on query results via Redash API — agents configure threshold-based alerts on data quality metrics or KPIs
- • Share query results between agent team members via Redash's URL-shareable query links and embedded visualizations
- • Schedule periodic data extraction queries via Redash's refresh scheduler and consume results via REST API in agent downstream workflows
Not For
- • Non-technical users who can't write SQL — Redash is SQL-first; Metabase or Google Looker Studio are better for non-technical users
- • Real-time monitoring dashboards — Redash queries databases on demand or on schedule; not suited for sub-second refresh rate monitoring dashboards
- • Complex ETL or data transformation — Redash visualizes data, it doesn't transform it; use dbt or Spark for transformations before querying in Redash
Interface
Authentication
Redash uses user API keys in Authorization header (Key api_key_value) for API access. OAuth2/SAML for SSO (Google, Okta). Per-user API keys — no service accounts. Keys have same permissions as the user.
Pricing
Redash is BSD-2-Clause open source and free to self-host. Note: Redash Inc. shut down its cloud service in 2023. Self-hosting is the primary option. Project is community-maintained; evaluate maintenance activity before adopting for new projects.
Agent Metadata
Known Gotchas
- ⚠ Redash cloud service was shut down in 2023 — only self-hosting option remains; agents depending on hosted Redash must migrate to self-hosted or alternative
- ⚠ Query execution is asynchronous — agents must POST to /api/queries/{id}/results, get a job ID, then poll /api/jobs/{job_id} until status is done before fetching results
- ⚠ Redash API documentation is minimal — many endpoints are undocumented; inspect browser network requests or read source code to discover API patterns
- ⚠ Per-user API keys mean agent automation runs with a specific user's permissions — create a dedicated service user account for agent access to avoid API key expiry on user account deactivation
- ⚠ Query parameters (parameterized queries) must be correctly formatted as JSON in POST body — LLM-generated API calls may miss parameter formatting requirements causing silent failures
- ⚠ Self-hosted Redash requires PostgreSQL + Redis — Docker Compose deployment is the recommended path; bare-metal setup is documented but complex
- ⚠ Community maintenance quality varies — Redash receives fewer updates than Superset or Metabase since Redash Inc.'s shutdown; evaluate security patch cadence before production deployment
Alternatives
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Scores are editorial opinions as of 2026-03-06.