OpenViking Memory

OpenViking stores three kinds of durable context — memories (facts, preferences, decisions), resources (imported documents, sites, repos), and skills — and serves them back across sessions. The tools may appear under a harness prefix such as mcp__openviking__find or openviking_find; they are the same tools.

A session's lifecycle

1. Start — the OpenViking plugin has usually already injected recalled context into the conversation (look for an <openviking-context> block). Check it before searching: if it already answers the question, use it and skip the tool call.
2. During the task — when injected context is not enough, retrieve (below). Expand promising hits with read before relying on them; an abstract can be staler or thinner than its source.
3. Data in — when durable information appears, write it (below). Be deliberate: retrieval quality degrades as the store fills with noise.
4. End — the plugin captures and commits the conversation automatically, and OpenViking extracts long-term memories from it in the background. This is why you rarely need remember: anything discussed at length will be extracted a…