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Python: [Bug]: DevUI discovery omits configured context providers #8989
Description
Description
DevUI omits configured context providers from an agent's details. Current Agent instances expose a context_providers list, but extract_agent_metadata() still reads the singular context_provider attribute. Both in-memory registration and directory discovery use this helper, so their EntityInfo.context_provider field remains None even when providers are configured.
Expected: an agent configured with InMemoryHistoryProvider() should expose ["InMemoryHistoryProvider"] in the existing metadata field. Multiple providers should be listed in their configured order.
Code Sample
from unittest.mock import Mock
from agent_framework import Agent, InMemoryHistoryProvider
from agent_framework_devui._utils import extract_agent_metadata
# The client is never called; no credentials or remote service are needed.
agent = Agent(
client=Mock(model=None),
context_providers=[InMemoryHistoryProvider()],
)
print([type(provider).__name__ for provider in agent.context_providers])
# ['InMemoryHistoryProvider']
print(extract_agent_metadata(agent)["context_provider"])
# Actual: None
# Expected: ['InMemoryHistoryProvider']Error Messages / Stack Traces
No exception is raised. The discovery metadata silently omits the providers, so the frontend's Context Provider card is absent.Package Versions
Reproduced on main commit e9857bd75a21843803431a2e7dfa41ee9b017ac7, using editable agent-framework-core 1.20.0 and agent-framework-devui 1.0.0b261002.
Python Version
Python 3.12.14 on Linux.
Additional Context
I am working on a focused fix to read the current provider list while keeping the existing context_provider response field and legacy singular fallback. Regression tests exercise zero, one, and multiple providers through EntityDiscovery.create_entity_info_from_object().
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github-actions commentedon Oct 2, 2026
🤖 Automated triage reproduction notes (agent-authored — trust but verify)
Agent analysis
Repro:
python/packages/devui/agent_framework_devui/_utils.py::extract_agent_metadataat lines 103-109 only readscontext_provider, while current Agent instances store configured providers incontext_providers. Minimal repro: construct an Agent withcontext_providers=[InMemoryHistoryProvider()], callEntityDiscovery.create_entity_info_from_object(), and observe thatEntityInfo.context_provideris None.python/packages/devui/tests/devui/test_discovery.pyagent-framework-devui 1.0.0b261002; agent-framework-core 1.20.0agent-framework-devui 1.0.0b261002; agent-framework-core 1.20.0