Head-to-head comparison
Selvedge – an MCP server that captures why AI agents change code vs Polynya – Turn your Postgres into workspaces for AI (2026)
Which is better for indie hackers and solopreneurs? Here's a side-by-side comparison of pricing, features, and use cases.
Log the reasoning behind every AI-generated code change locally
A local MCP server that AI coding agents (Claude Code, Cursor, Copilot) call as they work — logging the why behind every change into a SQLite file under .selvedge/ next to your code.
Try Selvedge – an MCP server that captures why AI agents change code →Stream Postgres to AI workspaces with ephemeral ClickHouse on demand
Polynya streams Postgres to Iceberg every 30 seconds. Your AI agents get ephemeral ClickHouse on demand. Build persistent workspaces with views that compound over time. Free during early access.
Try Polynya – Turn your Postgres into workspaces for AI →Side-by-side comparison
Frequently asked questions
What is the difference between Selvedge – an MCP server that captures why AI agents change code and Polynya – Turn your Postgres into workspaces for AI?
Selvedge – an MCP server that captures why AI agents change code: A local MCP server that AI coding agents (Claude Code, Cursor, Copilot) call as they work — logging the why behind every change into a SQLite file under .selvedge/ next to your code. · Polynya – Turn your Postgres into workspaces for AI: Polynya streams Postgres to Iceberg every 30 seconds. Your AI agents get ephemeral ClickHouse on demand. Build persistent workspaces with views that compound over time. Free during early access.
Is Selvedge – an MCP server that captures why AI agents change code free?
Yes, Selvedge – an MCP server that captures why AI agents change code is free.
Is Polynya – Turn your Postgres into workspaces for AI free?
Polynya – Turn your Postgres into workspaces for AI has a free plan with paid upgrades.
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