Act on this, mostly signal

Pghacker-MCP answers PostgreSQL design questions with cited sources

What to do

Point an MCP client at the public, no-sign-in server at /mcp to query pgsql-hackers and commit history.

Why

It gives cited answers from the pgsql-hackers list and PostgreSQL source history.

What the research found

Pghacker-MCP is a public, no-sign-in remote MCP server at /mcp (Streamable HTTP) giving cited answers about PostgreSQL design history and source code from the pgsql-hackers list and commit history.

Claims and how well the evidence supports them

pghacker-mcp is a public MCP server indexing pgsql-hackers mailing list and PostgreSQL source with commit history 97%
The endpoint is /mcp using Streamable HTTP 98%
No sign-in is needed to use the server 99%

Evidence

pghacker-mcp.dev https://pghacker-mcp.dev/

Actionability rated medium.