agent-topology-langgraph

Describe a compiled Python LangGraph workflow as an agent-topology JSON document. Supports Python 3.11–3.14 and LangGraph 1.2.10–1.2.11. Untested framework versions are refused before inspection.

python -m pip install "agent-topology-langgraph==0.1.0b2"
agt describe path/to/graph.py:graph --out topology.json

The target is a Python file and the name of its compiled graph object. Importing the file executes its module-level statements; extraction does not invoke the graph. Inspect trusted targets only.

from agent_topology.langgraph import IncompleteTopologyError, describe

# compiled_graph is the result of your application's StateGraph.compile().
try:
    document = describe(compiled_graph, strict=True)
except IncompleteTopologyError as error:
    document = error.document
    print(document["completeness"]["gaps"])

The optional depth argument defaults to 0, keeping subgraphs opaque. Read both graph-specific gaps and producer-wide limitations. Only gaps fail strict mode. The CLI's --strict option still writes an incomplete document and exits with status 6.

Installation includes the specification dependency and the agt executable. The document is a provisional 0.1 contract, not a runtime, viewer, or proof of policy compliance.

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Licensed under the MIT License; see the included LICENSE file.