microsoft/agent-framework

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A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Stars: 13.6k
Forks: 2.3k
Open beginner issues: 1
Indexed issues: 494
Avg merge: 2d 45m
Merged PRs (30d): 358

Dominant language: Python
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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494 open issues indexed

Python: Review and standardize agent and workflow identity semantics Open

.NET agents observability python

microsoft/agent-framework#8161 · 1 comment · 1 assignee · Opened Sep 8, 2026
Python: [Bug]: AG-UI workflow resume does not persist user HITL text into Thread Snapshot Open

ag-ui python reproduced

microsoft/agent-framework#8160 · 2 comments · 1 assignee · Opened Sep 8, 2026
[Feature]: Allow saving partial AgentSession state when streaming is cancelled Open

agents

microsoft/agent-framework#8157 · 1 comment · 5 reactions · 1 assignee · Opened Sep 8, 2026
Python: Question: How to tell if a WorkflowCheckpoint is at a topological end (no outgoing edges)? Open

python workflows

microsoft/agent-framework#8148 · 1 comment · 1 assignee · Opened Sep 8, 2026
.NET: Define AgentIsolationKeyProvider lifetime Open

.NET

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/agent-framework#8147 · 1 comment · Opened Sep 8, 2026
Python: AG-UI + HistoryProvider: compose history+input without duplicating turns (UI vs LLM context authorities) Open

agents middleware python

microsoft/agent-framework#8135 · 1 comment · 1 assignee · Opened Sep 8, 2026
.NET: Should we exclude cases where ConversationId="_agent_local_chat_history"? Open

.NET agents

microsoft/agent-framework#8133 · 1 comment · 1 assignee · Opened Sep 8, 2026
.NET: [Bug]: CodeAct/Hyperlight: host tool parameter names/schema are never surfaced to the model, calling contract must be hand-written into the tool [Description] Open

.NET reproduced skills

microsoft/agent-framework#8125 · 3 comments · 1 assignee · Opened Sep 7, 2026
.NET: Missing guidance on A2A client --> A2A host --> tool authentication Open

.NET a2a

microsoft/agent-framework#8121 · 2 comments · 1 assignee · Opened Sep 7, 2026
.NET: run_skill_script generates invalid schema for arguments Open

.NET agents reproduced

microsoft/agent-framework#8094 · 2 comments · 1 assignee · Opened Sep 6, 2026
Python: unknown-call termination leaves service-managed conversations unresolved Open

agents python reproduced

microsoft/agent-framework#8093 · 6 comments · 1 assignee · Opened Sep 6, 2026
.NET: [Bug]: Workflow handler cancellation is reported as executor failure Open

.NET reproduced workflows

microsoft/agent-framework#8092 · 3 comments · 1 assignee · Opened Sep 6, 2026
Python: Python / AG-UI: Is stacking Thread Snapshot history with per-agent HistoryProvider intended? Open

ag-ui python

microsoft/agent-framework#8075 · 1 comment · 1 assignee · Opened Sep 4, 2026
Python: [Feature]: no signal when an `as_tool()` child agent has no agent-hooks bundle Open

agents middleware observability python

microsoft/agent-framework#8050 · 1 comment · 1 assignee · Opened Sep 4, 2026
.NET: [Bug]: Declarative workflows silently skip unsupported actions Open

.NET declarative reproduced workflows

microsoft/agent-framework#8040 · 1 comment · 1 assignee · Opened Sep 3, 2026
Python: [Bug]: Token Count Discrepancy between Microsoft Foundry and Agent Framework - Potential Billing Issue Open

python

microsoft/agent-framework#8034 · 2 comments · 1 assignee · Opened Sep 3, 2026
.NET: [Bug]: emits both AgentResponse and AgentResponseUpdate per one action Open

.NET

microsoft/agent-framework#8017 · 1 comment · 1 assignee · Opened Sep 2, 2026
.NET: [Bug]: YAML validation is weak in some cases. Declarative.dll errors misleading or not self explainable Open

.NET declarative reproduced workflows

microsoft/agent-framework#8015 · 1 comment · 1 assignee · Opened Sep 2, 2026
.NET: [Bug]: Exception in workflow, that is added as agent, results in json serialisation error message instead of exception Open

.NET reproduced workflows

microsoft/agent-framework#8012 · 1 comment · 1 assignee · Opened Sep 2, 2026
.NET: [Feature]: First-party A2UI agent integration for .NET (like Python agent_framework_ag_ui._a2ui) Open

.NET

microsoft/agent-framework#8010 · 2 comments · 2 assignees · Opened Sep 2, 2026
.NET: [Bug]: AsAIFunction() fails under Foundry hosting: forwarded ChatHistoryProvider override conflicts with Responses-backed child agent's ConversationId Open

.NET bug

microsoft/agent-framework#8008 · 5 comments · 1 assignee · Opened Sep 2, 2026
.NET: Make anonymous AG-UI session persistence safe in AGUIServer sample Open

.NET

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/agent-framework#7993 · 1 comment · Opened Sep 1, 2026
.NET: [Bug]: not working declarative workflow InvokeFunctionTool as expected Open

.NET

microsoft/agent-framework#7978 · 1 comment · 1 assignee · Opened Sep 1, 2026
Python: Add A2A metadata hooks for cross-agent runtime context Open

a2a python

microsoft/agent-framework#7973 · 1 comment · 1 assignee · Opened Aug 31, 2026
.NET: [Feature]: Add first-class Foundry IQ support for .NET Open

.NET foundry

microsoft/agent-framework#7969 · 1 assignee · Opened Aug 31, 2026
.NET: [Bug]: JsonWireSerializedValue violates the equality and hash code contract Open

.NET reproduced workflows

microsoft/agent-framework#7958 · 1 comment · 1 assignee · Opened Aug 31, 2026
.NET: [Feature]: .NET: Add per-RequestPort response composition mode Open

.NET

microsoft/agent-framework#7956 · 1 assignee · Opened Aug 30, 2026
.NET: [Bug]: a repeated CallId or RequestId in an agent stream fails the whole workflow run Open

.NET reproduced workflows

microsoft/agent-framework#7946 · 1 comment · 1 assignee · Opened Aug 29, 2026
.NET: Add Conformance Test Library for Agent Framework Open

.NET

microsoft/agent-framework#7931 · 1 assignee · Opened Aug 28, 2026
.NET: [Bug]: AG-UI endpoint sends duplicate conversation messages to providers Open

.NET

microsoft/agent-framework#7930 · 1 assignee · Opened Aug 28, 2026
.NET: [Feature]: docs example for PZERO OpenAI-compatible endpoint Open

.NET

microsoft/agent-framework#7929 · 1 assignee · Opened Aug 28, 2026
Python: [Bug]: Release validator failed to validate packages Open

python

microsoft/agent-framework#7926 · 1 reaction · 2 assignees · Opened Aug 28, 2026
Python: [Bug]: OpenAI RAPI no longer requires the call id on a function call result Open

agents python

microsoft/agent-framework#7922 · 5 comments · 1 assignee · Opened Aug 27, 2026
.NET: [Bug]: AddAGUIServer writes explicit nulls on the AG-UI wire with AGUI 0.0.6 (rejected by @ag-ui/client) Open

.NET ag-ui hosting reproduced

microsoft/agent-framework#7919 · 1 comment · 2 reactions · 1 assignee · Opened Aug 27, 2026
Python: [Bug]: Code Interpreter file citations are lost through FoundryToolbox hosting Open

foundry needs-maintainer-triage python

microsoft/agent-framework#7916 · 3 comments · 1 assignee · Opened Aug 27, 2026
.NET: .NET/Python: design per-tool concurrency controls Open

.NET python

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/agent-framework#7914 · 1 comment · Opened Aug 27, 2026
.NET: Python: [Bug]: InvokeAzureAgent silently drops `input.arguments`, never sends them to the agent Open

.NET declarative python reproduced

microsoft/agent-framework#7902 · 1 comment · 1 assignee · Opened Aug 27, 2026
.NET: [Bug]: Add explicit closure semantics for dangling tool call / approval flows Open

.NET agents reproduced

microsoft/agent-framework#7872 · 1 comment · 1 assignee · Opened Aug 26, 2026
Python: Support checkpoint hydration and new input in a single workflow run Open

python workflows

microsoft/agent-framework#7863 · 1 comment · 1 assignee · Opened Aug 25, 2026
.NET: [Bug]: MAF approval-required function call is persisted as a dangling FunctionCallContent and pending approval state has no public read API Open

.NET

microsoft/agent-framework#7862 · 6 comments · 1 assignee · Opened Aug 25, 2026
Python: [Bug]: Pending State writes from a failed superstep leak into a later successful run Open

python reproduced workflows

microsoft/agent-framework#7859 · 2 comments · 1 assignee · Opened Aug 25, 2026
.NET: [Bug]: ToolApprovalRequestContent triggers 2 times in handoff workflow with different Id's Open

.NET reproduced workflows

microsoft/agent-framework#7857 · 4 comments · 1 assignee · Opened Aug 25, 2026
.NET: [Feature]: provide an official sandbox abstraction for command/tool execution Open

.NET

microsoft/agent-framework#7853 · 1 comment · 1 assignee · Opened Aug 25, 2026
.NET: [Feature]: first-class request/interaction context for dynamic model and tool policy Open

.NET

microsoft/agent-framework#7852 · 2 comments · 1 assignee · Opened Aug 25, 2026
.NET: Proposal: Integrating Foundgine as a Semantic Execution Layer for AI Agents Open

.NET

microsoft/agent-framework#7834 · 5 comments · 1 assignee · Opened Aug 23, 2026
Python: [Bug]: get_latest returns a stale checkpoint when the newest one cannot be decoded Open

python reproduced workflows

microsoft/agent-framework#7831 · 2 comments · 1 assignee · Opened Aug 23, 2026
Python: Bug: Multimodal content is dropped during agent handoff in orchestrator Open

orchestration python reproduced

microsoft/agent-framework#7822 · 1 comment · 1 assignee · Opened Aug 22, 2026
.NET: [Bug]: AGUIChatClient client-tool loop duplicates persisted messages with MapAGUIServer + AgentSessionStore Open

.NET ag-ui hosting reproduced

microsoft/agent-framework#7811 · 3 comments · 2 assignees · Opened Aug 21, 2026
Python: FHA LRA workflow checkpoint gap investigation Open

foundry hosting python

microsoft/agent-framework#7809 · 1 assignee · Opened Aug 21, 2026
.NET: A2A Agent release Open

.NET a2a

microsoft/agent-framework#7806 · 1 assignee · Opened Aug 21, 2026

microsoft/agent-framework

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