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Writing a TokenCap Plugin, and What the Sandbox Stops It From Doing

TokenCap 3 added a local plugin runtime. The contract is small on purpose: two hooks, named tools, and one capability, which is reading and writing files in the plugin's own folder. This post walks through a plugin and then through each limit, with how it is enforced in src/plugins/runtime.js . Reg…

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  1. 2026-11-10 11:27 · DEV Community — AI
    Writing a TokenCap Plugin, and What the Sandbox Stops It From Doing

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