Persistent memory layer for AI coding agents: save, recall, update via Gemini plus LanceDB
Connect Runs on your machine
claude mcp add gemdex -e GEMINI_API_KEY=<GEMINI_API_KEY> -e GEMDEX_MODE=<GEMDEX_MODE> -e LANCEDB_PATH=<LANCEDB_PATH> -e EMBEDDING_MODEL=<EMBEDDING_MODEL> -e GEMDEX_REMOTE_URL=<GEMDEX_REMOTE_URL> -e GEMDEX_REMOTE_TOKEN=<GEMDEX_REMOTE_TOKEN> -e GEMDEX_REMOTE_NAME=<GEMDEX_REMOTE_NAME> -e GEMDEX_TRUST_RANKING=<GEMDEX_TRUST_RANKING> -- npx -y [email protected]{
"mcpServers": {
"gemdex": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"GEMDEX_MODE": "<GEMDEX_MODE>",
"LANCEDB_PATH": "<LANCEDB_PATH>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"GEMDEX_REMOTE_URL": "<GEMDEX_REMOTE_URL>",
"GEMDEX_REMOTE_TOKEN": "<GEMDEX_REMOTE_TOKEN>",
"GEMDEX_REMOTE_NAME": "<GEMDEX_REMOTE_NAME>",
"GEMDEX_TRUST_RANKING": "<GEMDEX_TRUST_RANKING>"
}
}
}
}{
"mcpServers": {
"gemdex": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"GEMDEX_MODE": "<GEMDEX_MODE>",
"LANCEDB_PATH": "<LANCEDB_PATH>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"GEMDEX_REMOTE_URL": "<GEMDEX_REMOTE_URL>",
"GEMDEX_REMOTE_TOKEN": "<GEMDEX_REMOTE_TOKEN>",
"GEMDEX_REMOTE_NAME": "<GEMDEX_REMOTE_NAME>",
"GEMDEX_TRUST_RANKING": "<GEMDEX_TRUST_RANKING>"
}
}
}
}{
"servers": {
"gemdex": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"GEMDEX_MODE": "<GEMDEX_MODE>",
"LANCEDB_PATH": "<LANCEDB_PATH>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"GEMDEX_REMOTE_URL": "<GEMDEX_REMOTE_URL>",
"GEMDEX_REMOTE_TOKEN": "<GEMDEX_REMOTE_TOKEN>",
"GEMDEX_REMOTE_NAME": "<GEMDEX_REMOTE_NAME>",
"GEMDEX_TRUST_RANKING": "<GEMDEX_TRUST_RANKING>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
GEMINI_API_KEYRequired, secret | Google AI Studio key for local mode, or the exact value 'local' for on-device MLX text embeddings. Not needed in remote mode. |
GEMDEX_MODEOptional | Memory backend: embedded local LanceDB or a self-hosted Gemdex Server |
LANCEDB_PATHOptional | Directory for the embedded LanceDB store |
EMBEDDING_MODELOptional | Gemini text embedding model |
GEMDEX_REMOTE_URLOptional | Gemdex Server root URL (required in remote mode) |
GEMDEX_REMOTE_TOKENOptional, secret | Gemdex Server bearer token (required in remote mode) |
GEMDEX_REMOTE_NAMEOptional | Human-readable name for the remote server |
GEMDEX_TRUST_RANKINGOptional | Re-rank recall results by recorded worked/failed/stale outcomes |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 23 Sep 2026 |
| Last updated | 23 Sep 2026 |
| Registry name | io.github.nikships/gemdex |
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