Ask your own documents with citations, plus durable memory for agents. Safe by default.
Connect Runs on your machine
claude mcp add ossian-mcp -e OSSIAN_URL=<OSSIAN_URL> -e OSSIAN_API_KEY=<OSSIAN_API_KEY> -e OSSIAN_AGENT_ID=<OSSIAN_AGENT_ID> -e OSSIAN_MODE=<OSSIAN_MODE> -- npx -y [email protected]{
"mcpServers": {
"ossian-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OSSIAN_URL": "<OSSIAN_URL>",
"OSSIAN_API_KEY": "<OSSIAN_API_KEY>",
"OSSIAN_AGENT_ID": "<OSSIAN_AGENT_ID>",
"OSSIAN_MODE": "<OSSIAN_MODE>"
}
}
}
}{
"mcpServers": {
"ossian-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OSSIAN_URL": "<OSSIAN_URL>",
"OSSIAN_API_KEY": "<OSSIAN_API_KEY>",
"OSSIAN_AGENT_ID": "<OSSIAN_AGENT_ID>",
"OSSIAN_MODE": "<OSSIAN_MODE>"
}
}
}
}{
"servers": {
"ossian-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"OSSIAN_URL": "<OSSIAN_URL>",
"OSSIAN_API_KEY": "<OSSIAN_API_KEY>",
"OSSIAN_AGENT_ID": "<OSSIAN_AGENT_ID>",
"OSSIAN_MODE": "<OSSIAN_MODE>"
}
}
}
}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 |
|---|---|
OSSIAN_URLOptional | Base URL of the Ossian installation (e.g. http://localhost:8081). |
OSSIAN_API_KEYRequired, secret | Ossian API key (osk_…). Scope it to the narrowest role/namespace that works. |
OSSIAN_AGENT_IDOptional | Separates one agent's memories from another's. Defaults to 'mcp'. |
OSSIAN_MODEOptional | Access mode: read-only | read-write | admin. Starts read-only; writes need read-write. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 12 Sep 2026 |
| Last updated | 12 Sep 2026 |
| Registry name | io.github.dockndevai/ossian-mcp |
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