# The tokens hook: what changed in v1.2.0, sgit.ai > The changes to the article "The tokens hook" in v1.2.0, paragraph by paragraph. *Source: · sgit.ai v0.7.87 · this file is generated from the same content as the page, so the two cannot drift. Every page on this site has a `.md` twin; internal links below point at them.* --- [Home](../../../index.md) / [Articles](../../index.md) / [The tokens hook](../../the-tokens-hook.md) / [Versions](../the-tokens-hook.md) / v1.2.0 # The tokens hook: what changed in v1.2.0 From v1.1.0 (2026-10-19, `d303ce0f1`) to v1.2.0 (2026-10-27, `db67c5ce1`), paragraph by paragraph. 0 paragraphs added, 0 removed, 3 changed in place, 47 unchanged. About 0 words added and 93 removed. Insertions are marked like this, deletions like this; unchanged runs are folded to one line; figures appear as their file names. [← v1.1.0](v1.1.0.md) · [all versions](../the-tokens-hook.md) 2 unchanged paragraphs !shot tk-architecture.webp | images/ | The tokens hook: a policy filefile,saysawhathooktothatcount, showcounts and limit; the hook reads only the new lines of the session transcriptprices each time,response,countsandeach response once, prices it bywhere its model and keeps running totals. Its output goes to the user, to the model, to a block when the budget is spent, or to a collector. Dashed boxes are proposed.goes. | architecture 13 unchanged paragraphs, under In short {#in-short}, Why tokens need a policy {#why}, Asking the model does not work {#prompt} !shot tk-prompt-vs-hook.webp | images/ | The same two-turn conversation in headless Claude Code, once with a system prompt asking the model to report its tokens and cost, once with the tokens hook. With the prompt, the model said it could not see the numbers. With the hook, it reported them exactly, one turn behind. | comparison 17 unchanged paragraphs, under What a hook can see in Claude Code {#see}, The hook {#hook}, The other places to look {#elsewhere}… !shot tk-where.webp | images/ | Where the token numbers are, tool by tool: what a hook can see and what the user is shown in the coding agents and chat apps checked for this article, from each tool's documentation or source code.shown. | comparison 15 unchanged paragraphs, under A site for one small hook {#site}, What this does not claim {#limits}, Where this comes from {#sources} [← v1.1.0](v1.1.0.md) · [all versions](../the-tokens-hook.md) --- *[Site index for agents](../../../llms.txt) · [HTML version](https://newsroom.sgit.ai/articles/versions/the-tokens-hook/v1.2.0.html)*