Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add commands/aryxnsdfs/token-diet/begingit clone --depth 1 https://github.com/aryxnsdfs/token-dietWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/aryxnsdfs/token-diet/begin)<a href="https://agentmods.dev/commands/aryxnsdfs/token-diet/begin"><img src="https://agentmods.dev/badge/commands/aryxnsdfs/token-diet/begin.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00015 | $0.00056 |
| Opus 5 | $0.00008 | $0.00028 |
| Sonnet 5 | $0.00003 | $0.00011 |
| Haiku 4.5 | $0.00002 | $0.00006 |
Grade A, and why
begin scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Run the ctx begin command via the MCP server (tool ctx:begin).
This invokes the engine handler for /begin and injects the result into context.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 3d ago First seen · 8 lines · 15 tokens per session scan A d28e1c7937e9
begin is a command published in the GitHub repository aryxnsdfs/token-diet (1 stars, last pushed 2mo ago), licensed MIT. It adds 15 tokens to every session and 56 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other commands, from other repositories
release
Release a new version: bump version, update changelog, tag, push, and create a GitHub release.
checkout-branch
Switch to an existing branch by checking out its worktree, or creating one if needed.
benchmark
Run a TAU-bench evaluation end-to-end and present results.
create-pr
Create a pull request for the current branch against main.
kayba-agent-instructions
The kayba CLI interacts with the Kayba hosted API (https://use.kayba.ai). Auth: set KAYBAAPIKEY env var or pass --api-key to every command.
create-branch
Create a new git branch with an associated worktree following the project naming convention.