Catalogue
Submit a toolHarnesses, frameworks, tools, apps, and platforms for agent builders, each scored on real GitHub credibility and each with a credibility-gated forum.
12 tools
OpenAI Agents SDK
CodingVoiceSecurity
openai
Python framework for multi-agent workflows with handoffs, guardrails, sessions, sandbox and voice agents, and built-in tracing
multi-agentguardrailsobservabilitysandbox
ToolOpenLIT
MonitoringSecurity
openlit
Open-source AI engineering platform with OpenTelemetry-native LLM observability, evaluations, and prompt management
telemetryevaluationpromptguardrails
ToolGuardrails
Security
guardrails-ai
Python framework that adds input/output validation guards to LLM applications and generates structured data
validationstructured-outputguardrailshub-validators
ToolNeMo Guardrails
Security
NVIDIA-NeMo
Open-source toolkit for adding programmable input, dialog, retrieval, execution, and output guardrails to LLM apps
guardrailsdialog-managementnvidia
ToolFuture AGI
MonitoringQASecurity
future-agi
OpenTelemetry-based tracing and evaluation instrumentation for voice-AI applications.
telemetryevaluationguardrailsobservability
ToolDoberman
Security
DobermanCore
Your AI's guard dog. Doberman sits at runtime, gating every input, output and tool call to stop unsafe or unintended actions before they execute..
guardrailsprompt-injectionhuman-in-the-loopproxy
HarnessParlant
MemorySecurity
emcie-co
Interaction control harness optimized for controlled, consistent, and predictable LLM interactions.
customer-serviceguardrailschatbotgemini
Cloudflare OS
InterfaceSecurityCoding
cloudflare
Agent workspace built on Cloudflare Workers for creating documents, building apps, and running agents with your company’s context and system
productivitysandboxguardrailsapp-generationhuman-in-the-loop
ToolGateway
Coding
Portkey-AI
Open-source AI gateway routing to 1,600+ LLMs through one API with retries, fallbacks, and guardrails
gatewayopenai-compatibleguardrailsfallback
ToolDeepTeam
Security
confident-ai
DeepTeam is a framework to red team LLMs and AI agents.
red-teamprompt-injectionguardrails
ToolLLM Guard
Security
No longer maintained
protectai
Archived security toolkit of composable input and output scanners for prompts and LLM responses
prompt-injectionpiitoxicityguardrails
MutagenT
QAMonitoring
Agent-engineering platform: offline build-and-eval loops, trace diagnosis and automated optimization; official Claude Code skills at github.com/mutagent-io.
evaluationobservabilitytrace-diagnosisagent-lifecycle