Instant REST APIs, LLM agent tools and MCPs for Postgres

Generate no-code SQL → REST APIs and auto-build tool definitions for OpenAI, Anthropic, and LangChain. Deploy instantly on QueryDeck or export a Node.js app to your GitHub—no ops, no boilerplate.

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No-code SQL REST API generator

Visual builder for deep joins and nested inserts
Conditional query params that cleanly map to WHERE clauses
Out of the box pagination, filters, upserts and dynamic sorting

Auto-generated LLM tool definitions and MCPs

Tool schemas generated from your SQL (params, types, response hints)

Editable descriptions for functions and fields to improve model grounding

Drop-in compatibility with OpenAI (Tools/Functions), Anthropic (Tools), and LangChain (Tools/Agents)

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Build and deploy in seconds

Connect Postgres → choose tables → compose query → Publish tool
Deploy instantly to QueryDeck’s managed cloud (fast, secure)
Or export a Node.js app to your GitHub and run it anywhere with production vars

Learn how to create your first API

Know how to create your API with Querydeck in a few simple steps. Interact with our demo below to get started

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Experience the easiest way to build, manage, and deploy your APIs—all without the hassle.

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