Store text in a named context slot. Use for persistent memory that survives across agent sessions.

Retrieve text from a named context slot.

List all context slot keys.

Delete a context slot.

Search indexed documents by keyword overlap. Returns relevant chunks ranked by word-boundary match score.

Index a document for keyword search retrieval.

Save a named fact. Facts are key-value pairs that persist across sessions.

Retrieve a named fact.

List all saved fact names.

Save a plan document. The plan persists across sessions and can be retrieved later by another agent.

Retrieve a saved plan.

Save a reusable code snippet.

Search saved snippets by keyword overlap.

Truncate conversation history to fit a token budget. Keeps first and last messages intact, truncates the middle. This is truncation, not summarization.