List the logbooks available on the configured ELOG server.

Returns a list of {name, description?, url} objects. The optional ELOG_LOGBOOKS environment variable restricts and orders the result.

Search logbook entries by full text, attributes, and/or date.

Args: text: Regular expression matched against entry message bodies. Use ^…$ anchors for exact matches. attributes: Exact attribute filters as regular expressions, e.g. {"Author": "^jdoe$", "Category": "DAQ"}. date_from: Inclusive range start, 'YYYY-MM-DD' or 'YYYY-MM-DD HH:MM[:SS]'. date_to: Inclusive range end, same formats (time defaults to 23:59:59). last_days: Show entries from the last N days instead of an explicit range. logbook: Logbook name to search, or "*" to search all known logbooks. max_results: Maximum number of entries returned per page (server cap 100000). reverse: Sort newest-first when true, oldest-first when false.

Returns {"total": int, "entries": [{id, logbook?, date_raw, date_iso?, attributes{}, text_excerpt, encoding, encoding_name, attachments[], reply_to[], in_reply_to?, url}]}.

Read one logbook entry in full: all attributes, complete body, attachments.

Args: logbook: Name of the logbook containing the entry. entry_id: Numeric message ID of the entry.

Returns the full entry record including the untruncated body text, threading info (reply_to / in_reply_to) and the canonical web URL.

Fetch the newest entries of a logbook, newest first.

Args: logbook: Name of the logbook to read. count: Number of recent entries to return.

Returns {"total": int, "entries": [...]} with excerpts like elog_search.

Download an attachment (screenshot, config file, ...) as base64 content.

Args: logbook: Name of the logbook holding the attachment. filename: Attachment filename exactly as listed on the entry.

Returns {filename, content_b64, mime, size}; embed via MCP resource mechanisms when presenting to users.