Normalized X post
LangChain Deep Agents Shrink the Harness Instead of Adding More Prompt
Deep Agents v0.7.0b2 cuts default-agent input tokens by 65% and tool-description tokens by 43%, turning harness efficiency into a first-class agent metric.
Signal contract
Deep Agents v0.7.0b2 cuts default-agent input tokens by 65% and tool-description tokens by 43%, turning harness efficiency into a first-class agent metric. This X-discovered record adds public evidence to the harness architecture outlives model choice, skills become portable capability layer lens and keeps the New Runtime trend graph connected to primary sources. Novelty: notable. Verification: source-inspected.
Source ledger
Publishable sources attached to this record.
| # | Source | Role | Public status |
|---|---|---|---|
| 1 | docs.langchain.comdocs | primary receipt | source_urls |
| 2 | x.comsource | supporting receipt | source_urls |
Observation
Deep Agents v0.7.0b2 cuts default-agent input tokens by 65% and tool-description tokens by 43%, turning harness efficiency into a first-class agent metric.
Why it matters
This X-discovered record adds public evidence to the harness architecture outlives model choice, skills become portable capability layer lens and keeps the New Runtime trend graph connected to primary sources.
Entities
LangChain
Provenance
This public record is an English normalization of an approved X watchlist post. Linked source_urls carry the publishable evidence boundary.