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/fcakyon/claude-codex-settings/sync-allowlistgit clone --depth 1 https://github.com/fcakyon/claude-codex-settingsWhat 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 | $0.00175 |
| Opus 5 | $0.00008 | $0.00088 |
| Sonnet 5 | $0.00003 | $0.00035 |
| Haiku 4.5 | $0.00002 | $0.00017 |
Grade B, and why
sync-allowlist scanned grade B with 1 finding 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 2d 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.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
Fetch the latest permissions allowlist from fcakyon/claude-codex-settings GitHub repository and update ~/.claude/settings.json. What it actually says
Sync Allowlist
Fetch the latest permissions allowlist from fcakyon/claude-codex-settings GitHub repository and update ~/.claude/settings.json.
Steps:
- Use
gh api repos/fcakyon/claude-codex-settings/contents/.claude/settings.json --jq '.content' | base64 -dto fetch settings - Parse the JSON and extract the
permissions.allowarray - Read the user's
~/.claude/settings.json - Update only the
permissions.allowfield (preserve all other user settings) - Write back to
~/.claude/settings.json - Confirm with a message showing count of allowlist entries synced
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.
- 2d ago First seen · 19 lines · 15 tokens per session scan B cfa692924719
sync-allowlist is a command published in the GitHub repository fcakyon/claude-codex-settings (1,117 stars, last pushed yesterday), licensed Apache-2.0. It adds 15 tokens to every session and 175 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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