database,query,date_searched,hits_retrieved
Scopus,"TITLE-ABS-KEY((\"LLM agent\" OR \"AI agent\" OR \"autonomous agent\") AND (\"multi-agent\" OR \"orchestration\" OR \"agent collaboration\") AND (\"framework\" OR \"protocol\" OR \"coordination\")) AND PUBYEAR > 2021 AND PUBYEAR < 2027",2026-03-15,approximately 210
Web of Science,"TS=((\"LLM agent\" OR \"AI agent\" OR \"autonomous agent\") AND (\"multi-agent\" OR \"orchestration\" OR \"agent collaboration\") AND (\"framework\" OR \"protocol\" OR \"coordination\")) Timespan=2022-2026",2026-03-15,approximately 145
IEEE Xplore,"((\"All Metadata\":\"LLM agent\" OR \"All Metadata\":\"AI agent\" OR \"All Metadata\":\"autonomous agent\") AND (\"All Metadata\":\"multi-agent\" OR \"All Metadata\":\"orchestration\" OR \"All Metadata\":\"agent collaboration\") AND (\"All Metadata\":\"framework\" OR \"All Metadata\":\"protocol\" OR \"All Metadata\":\"coordination\")) filter 2022-2026",2026-03-16,approximately 95
ACM Digital Library,"[[All: \"llm agent\"] OR [All: \"ai agent\"] OR [All: \"autonomous agent\"]] AND [[All: \"multi-agent\"] OR [All: \"orchestration\"] OR [All: \"agent collaboration\"]] AND [[All: \"framework\"] OR [All: \"protocol\"] OR [All: \"coordination\"]] publication year 2022-2026",2026-03-16,approximately 130
arXiv,"(abs:\"LLM agent\" OR abs:\"AI agent\" OR abs:\"autonomous agent\") AND (abs:\"multi-agent\" OR abs:\"orchestration\" OR abs:\"agent collaboration\") AND (abs:\"framework\" OR abs:\"protocol\" OR abs:\"coordination\"); cs.AI, cs.MA, cs.CL categories; 2022-2026",2026-03-17,approximately 480
Google Scholar,"(\"LLM agent\" OR \"AI agent\" OR \"autonomous agent\") (\"multi-agent\" OR \"orchestration\" OR \"agent collaboration\") (\"framework\" OR \"protocol\" OR \"coordination\"); 2022-2026; first 20 result pages screened",2026-03-18,approximately 200 (first 200 results screened; true hit count is much larger but not examined beyond top 200 per stopping rule)