NeMo Retriever MCP

retriever

retriever

list_mcp_resources

Workflow

• Use

  query

  to search documents already available to Retriever.
• Never ingest documents that are already searchable, including documents in a prebuilt index.
• Use

  ingest_documents

  only when required documents are not yet searchable and server-readable paths are explicitly available. Do not assume that paths visible to the agent are also readable by the Retriever server.
• After ingestion completes, use

  query

  to retrieve evidence from the added documents.
• Start with

  top_k=5

  and

  format="hits"

  . Request more only when the first successful response does not contain enough evidence to answer the task.
• Read evidence hits from the tool response and ground your answer in them.
• Preserve available document identifiers such as

  document_id

  ,

  source_id

  , or

  pdf_basename

  , along with page numbers, when the task requests citations or structured output.
• If

  query

  fails, inspect the error and retry with corrected parameters or a shorter equivalent query. If it still fails, report the error before using another retrieval method.