taper-broker is an open-source Python package for issuing narrowing-only capability tokens and brokering credentials for AI agents. It supports least-privilege controls and integrations such as MCP and Landlock for developers securing agent workflows.
taper-broker sits in PulseGate's AI & LLM security category. It focuses on preventing AI agents from receiving broader permissions or credentials than they need. taper-broker is an open-source project aimed at AI security engineers and developers building agent systems. taper-broker is open source under the Apache-2.0 license. taper-broker is available on the command line and API, and it can be self-hosted.
taper-broker first shipped in 2026. Key capabilities include capability tokens, credential brokering, and token attenuation. It exposes integrations via an MCP server.
Summary written by a language model from the project’s public pages.
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