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Self-hosted MCP memory server: a typed knowledge graph on Postgres 16 and pgvector.
npx @getmcp/cli add io.github.devon-clarkk/engraphyRequires Docker Engine. Community-contributed server. Review source before installing.
ENGRAPHY_DATABASE_URLlibpq connection string for a Postgres 16 database with the pgvector extension, reached as the non-superuser `engraphy_app` role. Required: the server refuses to start without it, and refuses to start if the schema is behind (run `engraphy-admin migrate` first).
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.devon-clarkk/engraphy": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"ENGRAPHY_DATABASE_URL",
"-e",
"ENGRAPHY_BIND_HOST",
"-e",
"ENGRAPHY_BIND_PORT",
"ghcr.io/devon-clarkk/engraphy:0.3.0"
],
"env": {
"ENGRAPHY_DATABASE_URL": "",
"ENGRAPHY_BIND_HOST": "127.0.0.1",
"ENGRAPHY_BIND_PORT": "8000"
}
}
}
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