LangChain

Platform surfaces

Supported locally

toolAdapter preserves name, description and schema and guards the actual invoke / ToolCall executor, retaining tool IDs and execution configuration.

Planned

Broader LangGraph and framework batch/stream qualification remains pending.

Unsupported / unqualified

The invoke adapter does not qualify batch/stream paths. Class ToolMessage response replacement is unavailable; original outcomes survive with a bypass.

Observe before enabling repair.

1. Build the unpublished local package. Select the supported adapter and explicitly identify write or ambiguous operations; generic callables default to read.
2. Await readiness and supply scoped detection selections. Detection is off until you configure it; watch warming and bypass events.
3. Review request/response evidence in observe. Enabling repair requires an explicit trusted engine, confidence and verification; changing mode does not add a repair implementation.
4. Review completed dispatch and idempotency evidence before any caller-authorized replay. A response halt cannot roll back an upstream action.

Node Fetch inspection requires complete JSON with known content length and a bounded copy. Chunked, unknown-length and non-JSON bodies skip inspection; incoming Node streams are not consumed or repaired.

Adoption order / Pipedream → LangChain → Nango → Mastra