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Become a sponsor to Henri Sirkkavaara

@vaaraio

Henri Sirkkavaara

vaaraio
Helsinki, Finland

Vaara is an open-source Python library that gives AI agents runtime governance: a hash-chained audit trail and a human-oversight gate aimed at EU AI Act Article 12 and 14. pip install vaara. Apache 2.0.

I build Vaara solo from Helsinki. It exists because AI agents are now taking real-world actions in regulated environments with no runtime audit or oversight layer, and the EU AI Act is about to require both.

What your sponsorship funds

  • Maintaining the library: bug fixes, security patches, release cadence.
  • Integrations with LangChain, CrewAI, OpenAI Agents SDK, and MCP servers.
  • The public EU AI Act compliance mapping and documentation.
  • Research on conformal-prediction scoring for agent decisions.

Why open source

Runtime governance tooling should not be a closed commercial product available only to well-funded enterprises. Compliance artefacts belong in the public commons. Every sponsor keeps it that way.

Repo: github.com/vaaraio/vaara. Apache 2.0. No paywall, no enterprise-only features.

@vaaraio

Reach $500 per month so I can commit one guaranteed day a month to Vaara: bug fixes, security patches, and keeping the EU AI Act compliance mapping in sync with regulator guidance. No paywall, no enterprise-only tier. Apache 2.0.

Featured work

  1. vaaraio/vaara

    Accountable Autonomy: open-source evidence layer that gates every AI agent tool call against your policy and writes a hash-chained record an auditor verifies offline, without trusting you. Root-agn…

    Python 10

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