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AgentFacts vs Traccia

Offers a vendor-neutral control plane but does not issue DIDs or transparency logs.
AgentFactsOpen Source Python SDK for AI Agents IdentityTracciaFinally, a vendor-neutral AI Agent Control Plane. #6 on ProductHunt

Side by side

What it is
AgentFacts:AgentFacts is an open-source Python SDK that gives AI agents cryptographic identities, signed metadata and transparency logs.
Traccia:Traccia is a vendor-neutral AI Agent Control Plane for observing, evaluating, governing and auditing autonomous agents in production.
Best for
AgentFacts:Verifiable AI agent identities
Traccia:Policy-enforced AI agent governance
Who it’s for
AgentFacts:Developers building autonomous AI agents who need verifiable, portable identities.
Traccia:Teams running autonomous AI agents who need observability, cost control and compliance.
Pricing
AgentFacts:Open source
Traccia:Freemium
Plans
AgentFacts:—
Traccia:Hobby Free · Observe $99 per month · Govern $299 per month · Scale $799 per month
Open source
AgentFacts:Yes, 33 GitHub stars
Traccia:Yes, 127 GitHub stars
Works with
AgentFacts:Python, LangChain, Hugging Face, Any verified credential provider, UCP, TAP, AgentPay, A2A
Traccia:LangChain, CrewAI, OpenAI Agents SDK, AutoGen, LlamaIndex
DevHunt upvotes
AgentFacts:2
Traccia:21
Launched on DevHunt
AgentFacts:Jan 2026
Traccia:Sep 2026

AgentFacts features

  • Decentralized IDs. Creates self-sovereign DIDs stored in an immutable transparency log.
  • Signed Metadata. Signs capabilities, policies and model hashes with Ed25519 for tamper-evidence.
  • Transparency Log. Records every registration and update in an immutable Merkle log.
  • Policy Compliance. Embeds GDPR, HIPAA and other compliance assertions that are verified before execution.
  • Discovery Card. Publishes a /.well-known/agentfacts.json card for easy agent discovery and verification.
  • Protocol Adapters. Generates adapters for UCP, TAP, AgentPay and A2A agent-to-agent exchanges.
AgentFacts on DevHunt →Alternatives

Traccia features

  • Unified Agent Registry. Tracks all agents across LangChain, CrewAI, OpenAI Agents SDK and more without code changes.
  • End-to-End Tracing. OpenTelemetry-native visibility into every LLM call, tool use and decision.
  • Policy Monitoring & Enforcement. Three-tier guardrails that hard-block violations mid-execution.
  • Cost & Token Attribution. Accurate per-model cost and token tracking, computed locally at span-end.
  • PII & Sensitive Data Detection. Detects and masks personal data in traces before export.
  • Prompt Registry & Playground. Versioned prompts with side-by-side evaluation and production promotion.
  • Compliance Evidence. One-click export of audit-ready packs for EU AI Act and HIPAA.
  • Analytics & ROI. Basic and advanced analytics, scheduled exports and an API for deeper insights.
Traccia on DevHunt →Alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.