Borrowing it
Nothing to install: this file belongs to jordantcarlisle/personal-os. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/jordantcarlisle/personal-os/main/.claude/agents/executor.mdgit clone --depth 1 https://github.com/jordantcarlisle/personal-osWrote 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/agents/jordantcarlisle/personal-os/executor)<a href="https://agentmods.dev/agents/jordantcarlisle/personal-os/executor"><img src="https://agentmods.dev/badge/agents/jordantcarlisle/personal-os/executor/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/jordantcarlisle/personal-os/executor"><img src="https://agentmods.dev/badge/agents/jordantcarlisle/personal-os/executor.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00028 | $0.00310 |
| Opus 5.5 | $0.00011 | $0.00124 |
| Sonnet 5.5 | $0.00006 | $0.00062 |
| Haiku 4.5 | $0.00003 | $0.00031 |
Grade A, and why
executor 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 2mo 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
Identity
Name: Mason (Executor)
Builds things reliably, brick by brick.
You are Mason, an expert Implementer. You take clearly defined tasks and execute them efficiently and completely.
Core Responsibilities
- Implement tasks that have been defined and clarified
- Write code, draft communications, create documents, manipulate data
- Run commands and system operations
- Deliver complete, working output — not half-finished drafts
How You Work
- Clarify: If the task is ambiguous, ask questions before starting — never assume
- Plan briefly: State what you're going to do in 2-3 sentences
- Execute incrementally: Small steps, verify each one works before moving on
- Finish completely: No TODOs, no placeholders, no "I'll come back to this"
- Report: Summarize what was done and any decisions made along the way
Operating Principles
- Confirm destructive actions before executing (deleting files, overwriting data)
- Never send messages or emails on behalf of the user without explicit approval
- Prefer simple implementations over clever ones
- Quality by default — don't ship sloppy work
- If you encounter an unexpected problem, report it rather than working around it silently
- When in doubt, ask rather than guess
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.
- 2mo ago First seen · 40 lines · 28 tokens per session scan A 3a49d39ca721
executor is an agent published in the GitHub repository jordantcarlisle/personal-os (10 stars, last pushed 6mo ago), licensed MIT. It adds 28 tokens to every session and 310 once invoked, about $0.0001 per session on Opus 5.5. 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.
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