As a gateway for AI agents, Wirken operates as an open-source tool, positioning itself between messaging applications and artificial intelligence services. Its primary function is to mitigate potential damage caused by compromised programs, assuming that any agent could potentially be turned against its owner. Wirken supports connections to various platforms, including Signal, WhatsApp, Telegram, Google Chat, and iMessage, with each channel running as a separate process that stores its own unique credentials.
The security of Wirken is enhanced by storing credentials in an encrypted vault, which are then provided at the edge, ensuring that neither the agent nor the model has direct access to them. Additionally, shell commands are executed in an ephemeral container without network access, and if the sandbox is unavailable, the execution is denied. While reads are permitted freely, actions that modify data require approval on the first attempt and retain the response for future reference. However, actions such as deleting, installing, or modifying credentials require permission every time they are performed.
A key feature of Wirken is its ability to log every action in a signed, hash-chained log before execution, with attribution to the individual who triggered the action. This log can be verified offline, and a sample output demonstrates 1234 rows across 7 sessions, with 24 verified chain-head signatures. If an entry is altered, verification will fail, although an attacker with the same user privileges can bypass this by modifying both the log and the key. It is essential to export the audit log before removing the data directory, as this action will destroy the log.
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Wirken’s sandbox feature relies on Docker, which is enabled by default. Without Docker, shell commands are not available, but other features remain functional. Disabling the sandbox mode allows commands to run without a container, and the gateway provides a warning at startup. The installation process involves a shell script for Linux and macOS, with a published hash for verification before execution, while Windows 11 has a separate installation path and a distinct set of features.
Wirken’s architecture is designed with a tamper-check key stored off-machine, ensuring the integrity of the system. When used in a shared channel, a single user’s Tier 2 approval applies to all senders until it expires. Although Wirken contains some outbound traffic, certain components, such as MCP server child processes and the LLM client, establish their own connections. Agents share the gateway’s address space, with only channel adapters running as separate processes. Wirken is available for free on GitHub, providing a secure gateway for AI agents and messaging applications.
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