.NET Agent SDKs AI Agents

C# and .NET SDKs that provide unified interfaces to integrate AI agents with external APIs, services, and platforms. Includes SDKs for specific agent providers (voice, avatar, memory, orchestration) and general AI integration frameworks. Does NOT include agent frameworks built from scratch, web clients, or platform-agnostic agent architectures.

There are 21 .net agent sdks agents tracked. 1 score above 70 (verified tier). The highest-rated is letta-ai/letta at 71/100 with 21,550 stars. 1 of the top 10 are actively maintained.

Get all 21 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=agents&subcategory=dotnet-agent-sdks&limit=20"

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# Agent Score Tier
1 letta-ai/letta

Letta is the platform for building stateful agents: AI with advanced memory...

71
Verified
2 uhhhci/intelligent-virtual-agent-sdk

intelligent-virtual agent authoring toolkit with interoperability of...

41
Emerging
3 neocortex-link/neocortex-unity-sdk

Neocortex Unity SDK for Smart NPCs and Virtual Assistants

32
Emerging
4 actuallyrizzn/letta-web

Flask-based web client for Letta AI agent framework with chat interface and...

32
Emerging
5 ShadowKnightMK4/ButlerSDKPreview-GoldSource

An AI Chat/Agent C# library with heavy focus on robust toolings, and...

23
Experimental
6 Musiitwa-Joel/letta-code-sdk

🤖 Build intelligent agents with the Letta Code SDK, enabling persistent...

22
Experimental
7 splibiplay/xrcore-sdk

XRCore is a modular AI agent framework for Unity XR. Build spatial...

22
Experimental
8 tryAGI/Mem0

C# SDK for the Mem0 API -- AI memory layer for personalized agents with...

22
Experimental
9 tryAGI/E2B

C# SDK for the E2B API -- secure cloud sandboxes for AI agents, templates,...

22
Experimental
10 tryAGI/Composio

C# SDK for the Composio API -- AI agent integrations, actions, triggers, and...

22
Experimental
11 tryAGI/DId

C# SDK for the D-ID API -- talking avatar videos, AI agents, streaming...

22
Experimental
12 tryAGI/Descript

C# SDK for the Descript API -- AI-powered video and audio editing, agent...

22
Experimental
13 tryAGI/RetellAI

C# SDK for the Retell AI API -- voice AI phone agents, calls, phone numbers,...

22
Experimental
14 tryAGI/Coze

C# SDK for the Coze API -- AI agent/chatbot platform with bots,...

22
Experimental
15 tryAGI/BlandAI

C# SDK for the Bland AI API -- AI-powered phone calls, batch campaigns,...

22
Experimental
16 tryAGI/Vapi

C# SDK for the Vapi API -- voice AI agents, phone calls, assistants, and tool calling

22
Experimental
17 tryAGI/Tavus

C# SDK for the Tavus API -- conversational video AI, replicas, personas, and...

22
Experimental
18 tryAGI/Browserbase

C# SDK for the Browserbase API -- cloud browser automation, sessions,...

22
Experimental
19 tryAGI/Letta

C# SDK for the Letta API -- stateful AI agents with persistent memory,...

22
Experimental
20 blazorly/ai-sdk.net

A comprehensive .NET SDK for integrating with AI providers, offering a...

19
Experimental
21 BigEgg-H/Hadaly

A .NET-based cross-platform SDK for developing AI agents

15
Experimental