Awesome Codex Plugins is a curated catalogue and marketplace of installable plugins, skills, and related resources for OpenAI Codex and ChatGPT. It helps people find, create, validate, and submit extensions for Codex workflows across its app, command-line interface, and IDE extensions. The catalogue add-ons are the plugins, skills, agents, and hooks listed or supported by this project.
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 skills add hashgraph-online/awesome-codex-plugins --skill waggle-checkpointgit clone --depth 1 https://github.com/hashgraph-online/awesome-codex-pluginsWrote 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/skills/hashgraph-online/awesome-codex-plugins/waggle-checkpoint)<a href="https://agentmods.dev/skills/hashgraph-online/awesome-codex-plugins/waggle-checkpoint"><img src="https://agentmods.dev/badge/skills/hashgraph-online/awesome-codex-plugins/waggle-checkpoint/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/skills/hashgraph-online/awesome-codex-plugins/waggle-checkpoint"><img src="https://agentmods.dev/badge/skills/hashgraph-online/awesome-codex-plugins/waggle-checkpoint.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00032 | $0.00248 |
| Opus 5.5 | $0.00013 | $0.00099 |
| Sonnet 5.5 | $0.00006 | $0.00050 |
| Haiku 4.5 | $0.00003 | $0.00025 |
Grade A, and why
waggle-checkpoint 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 1mo 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- waggle-checkpoint — 100% identical, 0 lines differ
What it actually says
Checkpoint durable outcomes
- Review the current task and select only durable outcomes: decisions and rationale, verified fixes and causes, stable constraints, failed approaches worth avoiding, measured results, unresolved problems, and concrete next steps.
- Exclude greetings, raw command logs, speculative thoughts, secrets, duplicate facts, and details easily recovered from the current code unless their historical meaning matters.
- Determine the stable project scope: prefer the credential-free Git remote identity, otherwise the canonical absolute Git root or workspace path.
- Draft a compact checkpoint summary. Call
observe_conversationwith the user's checkpoint request asuser_message, the summary asassistant_response, and the stableproject,agent_id: "codex", and current session identifier when available. - Report what categories were checkpointed and any non-fatal extraction errors. If there is nothing durable, say so and skip the write.
This is the Codex skill equivalent of /waggle-checkpoint; invoke it as $waggle-checkpoint.
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.
- 1mo ago First seen · 15 lines · 32 tokens per session scan A eb812d9ce210
waggle-checkpoint is a skill published in the GitHub repository hashgraph-online/awesome-codex-plugins (1,431 stars, last pushed today), licensed Apache-2.0. It adds 32 tokens to every session and 248 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 2026-08-30.
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Capture key learnings, patterns, gotchas, or context as persistent memories.