Halfnine MCP
Halfnine is a PostgreSQL client that functions as an MCP server, allowing AI agents like Claude Code and Cursor to interact with databases. It supports read-only queries and approved writes, providing a secure interface where agents can see changes before execution.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Execute read-only SQL queries via AI agents
- Approve and apply database changes staged by agents
- Manage database connections for AI tools
Source and maintenance
Community listingRegistry 0.2.0
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
https://github.com/notinferred/halfnine/releases/download/v0.2.0/halfnine-0.2.0.mcpb
mcpbSHA-256 supplied
https://github.com/notinferred/halfnine/releases/download/v0.2.0/halfnine-0.2.0.mcpb package definition
{
"transport": "stdio",
"fileSha256": "e40968dff45d6b373d16eb6dd05bea79339272bc58b6cc0972351f02a063554d",
"identifier": "https://github.com/notinferred/halfnine/releases/download/v0.2.0/halfnine-0.2.0.mcpb",
"registryType": "mcpb"
}Tools
Reported by the attributed source; not independently observed by Koskamo.
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