Relay
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Features

Everything you need.
Built for your work.

Relay is a native macOS database client that has grown teeth. It handles the editor, the schema work, the engine-specific weirdness, and the workflows that usually send you hunting for another app.

AI Assistant

Generate, fix, and explain queries with Anthropic, OpenAI, Google, GitHub Copilot, Vercel, Bedrock, or local LM Studio models.

Bring your own providerSchema-aware@table mentionsInline slash promptFix errors fast
AI Assistant

Advanced Query Editor

Syntax highlighting and autocomplete for SQL, MongoDB shell syntax, and Redis commands with split-pane editing.

AutocompleteShadow suggestionsMulti-paneSQL · MQL · RedisKeyboard navigation
Advanced Query Editor

Query Plan Analyzer

Visualize PostgreSQL EXPLAIN ANALYZE as an interactive tree with performance insights.

Slow node detectionCost analysisRow estimate warningsIndex suggestionsAI optimization
Query Plan Analyzer

MongoDB Pipeline Builder

Compose aggregation pipelines visually, preview stage output live, and save pipeline recipes you actually reuse.

Stage-by-stage editingLive previewsExplain panelSave as viewImport/export JSON
MongoDB Pipeline Builder

Core toolkit

The things you hit every day, plus the parts that usually derail your afternoon.

ERD Diagrams

Auto-generated entity relationship diagrams from foreign keys.

Zoom, pan & fit-to-viewSchema filteringPosition persistenceTable search

Change Tracking

Review every modification before committing with inline diffs.

Insert, update & delete trackingSide-by-side comparisonUndo/redo supportFull SQL logging

Import & Export

Move data in and out with drag-and-drop simplicity.

CSV, TSV & JSON importOne-click exportDuckDB native read_*()SQL dump generation

Redis Toolkit

A proper Redis workspace with real operational views, not just a text console.

Key browserTTL & memoryServer infoPub/Sub + MONITOR

DuckDB File Workflow

Inspect local and cloud-hosted analytical files before you query them blind.

Parquet inspectorCloud browserPivot builderParquet export

Query Manager

Save, organize, and search queries with folder groups.

Named & nested groupsPer-connection historyFormat detectionQuick access

MCP Server

Connect AI agents and LLMs directly to your databases through the Model Context Protocol.

Schema explorationQuery executionAI agent integrationWorks with any MCP client

Secure Connections

SSH tunnels, SSL/TLS, and macOS Keychain integration.

Key-based SSH authClient certificatesSNI supportKeychain storage

Inline Data Editing

Click any cell to edit with type-aware validation.

Date/time pickersJSON column editorNULL handlingBulk operations

MBTiles Maps

Visualize raster and vector tiles on an interactive map with filtering and styling.

Vector tile decodingFeature filteringData-driven stylingCSV export
Built different

Native macOS performance

No Electron. No web views. Relay is built with Swift and SwiftUI for instant startup, low memory usage, and buttery smooth scrolling.

Swift
Language
SwiftUI
Framework
macOS 14+
Minimum
Keychain
Credentials

6 engines and geospatial, one app

Relay supports 6 engines and geospatial files.

PostgreSQLPostgreSQL
PostGISQuery PlansSchema Filtering
MySQLMySQL
MariaDBFull SQLERD Diagrams
SQLiteSQLite
File-basedEncryptionDrag & Drop
MongoDBMongoDB
MQL ShellAggregationAtlas & SRV
RedisRedis
Key BrowserPub/SubSlow Log
DuckDBDuckDB
ParquetS3/GCS/AzureIn-Process
GeoGeo
MBTilesVector TilesInteractive Map

Connection Management

Organize connections with groups, color tags, and reordering. Import and export your entire config.

Color tags
Folder groups
Drag reorder
Import/Export
URL parsing
Recent history

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Relay

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