SchemaFlow

What it does

SchemaFlow provides real-time PostgreSQL & Supabase schema access to AI-IDEs through Model Context Protocol (MCP). Features live schema sync, interactive visualizations, and multi-format exports (JSON, Markdown, SQL, Mermaid) for AI-powered development.

An infinite canvas for system design. Search every AWS & GCP service, wire them up, and hover any piece to see what it does. Collaborate in real time, or let AI draw it from your codebase. End-to-end encrypted.

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  Cloud-Ready Postgres MCP Server2025 · github.com · ▲167

  Hey HN, I built pg-mcp, a Model Context Protocol (MCP) server for PostgreSQL that provides structured schema inspection and query execution for LLMs and agents. It's multi-tenant and runs over HTTP/SSE (not stdio) Features - Supports multiple database connections from multiple agents - Schema Introspection: Returns table structures, types, indexes and constraints; enriched with descriptions from pg_catalog. (for well documented databases) - Read-Only Queries: Controlled execution of queries via MCP. - EXPLAIN Tool: Helps smart agents optimize queries before execution. - Extension…

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  Supabase AI Assistant [LW24]2024 · supabase.com · ▲756

  Idea to Postgres database

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  Schemamap.io2024 · schemamap.io · ▲89

  Instant batch data import for Postgres

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  Schema2025 · tryschema.com · ▲27

  Postgres and MySQL databases for iOS

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  HyperterseFeb 2026 · hyperterse.com · ▲86

  Hi HN, I’m Samrith, creator of Hyperterse. Today I’m launching Hyperterse 2.0, a schema-first framework for building MCP servers directly on top of your existing production databases. If you're building AI agents in production, you’ve probably run into agents needing access to structured, reliable data but wiring your business logic to MCP tools is tedious. Most teams end up writing fragile glue code. Or worse, giving agents unsafe, overbroad access. There isn’t a clean, principled way to expose just the right data surface to agents. Hyperterse lets you define a schema over your data and…

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  ER FlowMar 2026 · erflow.io · ▲1

  Click to design your database. AI to build. MCP to connect.

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  I'm an airline pilot – I built interactive graphs/globes of my flights▲1,539

  Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!

  Life & fun · 2025 · jameshard.ing

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  Pally - AI Relationship Management▲949

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  AI · 2025 · pally.com

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  Workout.cool – Open-source fitness coaching platform▲827

  I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…

  Dev tools · 2025 · github.com