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, approved writes, and Docker database management, providing a secure interface for agent-driven database operations on macOS and Windows.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Allow AI agents to execute read-only SQL queries
- Enable approved database schema changes via agents
- Manage local Docker PostgreSQL containers through AI
Source and maintenance
Community listingRegistry 0.3.0
- 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/v0.3.0/halfnine-0.3.0.mcpb
mcpbSHA-256 supplied
https://github.com/notinferred/halfnine/releases/download/v0.3.0/halfnine-0.3.0.mcpb package definition
{
"transport": "stdio",
"fileSha256": "26c0fbeb11e7ccb81d5899123bbd0628466f7a94d9262ce49e8c045ed27799ea",
"identifier": "https://github.com/notinferred/halfnine/releases/download/v0.3.0/halfnine-0.3.0.mcpb",
"registryType": "mcpb"
}Tools
Reported by the attributed source; not independently observed by Koskamo.
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