
Langfuse
FirstHelm
Traccia
AgentDbg
Deepchecks Monitoring
Helicone AI
LangSmith
Stop AI agents at the tool call, not the prompt. AgentFox checks every model call and tool call against what that agent was granted, refuses the rest, and keeps a tamper-evident record.

Mainstack enables entrepreneurs with commerce and global payment solutions to showcase and get paid for their work and services, grow revenue, and manage customers - all in one place.

Website, pricing, platforms and company facts side by side.
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| Website | useagentfox.com | mainstack.com |
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Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
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FirstHelm - Steer your AI agents, don't just deploy them — a framework-agnostic AI agent control plane with live monitoring, guardrails, approvals, and EU AI Act / ISO 42001 compliance exports. 45 page guide library - https://firsthelm.dev/resources
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OpenTelemetry-native tracing with runtime policy enforcement, cost attribution, and EU AI Act evidence. One SDK for LangChain, CrewAI, OpenAI Agents SDK & more.
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Open Source Monitoring for AI & ML
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Open-source LLM Observability for Developers
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