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Pglens

27 read-only PostgreSQL tools for AI agents via MCP

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HN · launched Mar 29, 2026 · 13 upvotes (top 33%) · 0 views

Niche: mcp server developer tools · 108 launches, 12 in the last 7 days ▲ +50% · Explore this niche →

Category and tags

  • Horizontal
  • Agent / copilot
  • Developer
  • AI-native
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

Yes It is a Model Context Protocol (MCP) server wrapping standard PostgreSQL system catalog and information_schema queries into 27 read-only tool definitions.

Discussion

9 comments analyzed.

Competitors mentioned: Most Postgres MCP servers, Other query tools that expose basic list_tables

Concerns raised: No cost-based gate to block expensive query plans automatically, Full sequential scans on large tables not prevented, Context window bloat from internal/system tables

Feature requests: Custom schema white-listing to hide internal/system tables, Cost/complexity guardrail to block bad query plans automatically

Competitors

Other products that read as similar to this one : 4220 launches clear the similarity bar, closest 8 shown.

Attention rank: #1292 of 4221 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 151 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.