Create a new RLM session for processing large contexts.

Args: name: Human-readable session name config: Session configuration (max_tool_calls, max_chars_per_response, etc.)

Get session statistics and configuration.

Args: session_id: Session ID to query

Mark session complete and persist index metadata.

Args: session_id: Session ID to close

Load documents into the session context.

Args: session_id: Session to load into sources: List of source specs (type, path, content, etc.)

List documents in session.

Args: session_id: Session to query limit: Max documents to return offset: Pagination offset

View a portion of a document. Enforces max_chars_per_peek.

Args: session_id: Session containing document doc_id: Document ID to peek start: Start offset (inclusive) end: End offset (exclusive), -1 for end of doc

Chunk a document using a specified strategy.

Args: session_id: Session containing document doc_id: Document ID to chunk strategy: Chunking strategy (type, chunk_size, line_count, delimiter, overlap)

Retrieve the content of one or more spans. Enforces max_chars_per_response.

Args: session_id: Session containing spans span_ids: List of span IDs to retrieve

Search documents. BM25 index is lazy-built on first use.

Args: session_id: Session to search query: Search query string method: Search method (bm25, regex, literal) doc_ids: Optional list of doc IDs to limit search limit: Max matches to return context_chars: Characters of context around each match

Store a derived artifact with provenance.

Args: session_id: Session to store artifact in type: Artifact type (summary, extraction, classification, custom) content: Artifact content span_id: Optional span ID for provenance span: Optional span reference (doc_id, start, end) - creates span if needed provenance: Optional provenance metadata (model, prompt_hash)

List artifacts for a session or span.

Args: session_id: Session to query span_id: Optional span ID filter type: Optional type filter

Retrieve artifact content.

Args: session_id: Session containing artifact artifact_id: Artifact ID to retrieve