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 sendsets-cligit 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/sendsets-cli)<a href="https://agentmods.dev/skills/hashgraph-online/awesome-codex-plugins/sendsets-cli"><img src="https://agentmods.dev/badge/skills/hashgraph-online/awesome-codex-plugins/sendsets-cli/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/sendsets-cli"><img src="https://agentmods.dev/badge/skills/hashgraph-online/awesome-codex-plugins/sendsets-cli.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 | $0.00143 | $0.03198 |
| Opus 5.5 | $0.00057 | $0.01279 |
| Sonnet 5.5 | $0.00029 | $0.00640 |
| Haiku 4.5 | $0.00014 | $0.00320 |
Grade A, and why
sendsets-cli 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 17d 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.
How it starts
The opening of the file, as written. The whole thing — 224 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Driving SendSets through the sendsets CLI
sendsets is the customer CLI: it signs in as a person, keeps its own
credential, and speaks only the public REST API. Every command is bounded by the
scopes the sign-in approved. Never open, print or copy the CLI's stored
credential; sendsets auth status --json says everything an agent needs.
If the binary is not on PATH, install it without a toolchain or root:
Install it with brew install addisonhoff/tap/sendsets (macOS, Linux) or scoop bucket add sendsets https://github.com/AddisonHoff/homebrew-tap then scoop install sendsets (Windows). Without a package manager, download the archive for your platform and checksums.txt from https://github.com/AddisonHoff/sendsets-releases/releases/latest, check the archive against checksums.txt, and unpack the sendsets binary onto PATH. It is also inside the
backend image on a self-hosted instance (docker compose -p sendsets exec backend sendsets ...).
It is not sendsetsctl. That one talks to Postgres and exists for recovery and
accounts (the sendsets-ops skill). If both are available and the task is
product work, use sendsets.
The setup order
From nothing to a launched campaign, every step is a command and every failure
prints a fix: line:
sendsets login --hostname sendsetsapi.com # or SENDSETS_TOKEN=ssk_... plus SENDSETS_HOST=sendsetsapi.com
sendsets whoami # workspace, credential, scopes, agent policy
sendsets doctor # what is set up, what is not, a fix per gap; exit 1 when not ready
sendsets connection create --name app --base-url https://app.example.com/sendsets # secret printed once
sendsets connection test CONNECTION_ID
sendsets mailbox add --provider outlook # prints a Microsoft consent link
sendsets mailbox provision providers # what can be ordered, with live per-mailbox pricing
sendsets mailbox provision renewals # when managed domains renew, and anything needing a person
sendsets mailbox provision --provider google --count 3 --domain acme-outreach.com --warmup --wait # SendSets Cloud: managed inboxes, checkout link for the user
sendsets mailbox provision --provider google --count 25 --domains a.com,b.com,c.com --warmup # spread mailboxes across several domains
sendsets mailbox test MAILBOX_ID
sendsets mailbox warmup enable MAILBOX_ID
sendsets events send trial.started --email [email protected] --data '{"plan":"pro"}'
sendsets campaign create --name "Q3" --daily-limit 25 --stop-on-reply # 25 per mailbox per day, not per campaign
sendsets campaign add-step CAMPAIGN_ID --subject "..." --body-plain "Hi {{.FirstName}}"
sendsets campaign add-step CAMPAIGN_ID --kind app_action --connection CONNECTION_ID --path /audit --output-key audit --inputs '{"domain":"{{.Company}}"}'
sendsets campaign add-step CAMPAIGN_ID --kind wait_for_event --event report.opened --timeout-minutes 4320
sendsets campaign set-senders CAMPAIGN_ID --input '{"senders":[{"email_account_id":"MAILBOX_ID"}]}'
sendsets campaign validate CAMPAIGN_ID # exit 1 with the problems and fixes when it cannot launch
sendsets campaign test CAMPAIGN_ID --prospect [email protected] --wait # real mail, real app calls, one prospect
sendsets events send report.opened --email [email protected] # from another shell when the test waits
sendsets campaign start CAMPAIGN_ID # policy or human approval decides
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.
- 17d ago First seen · 224 lines · 143 tokens per session scan A e38884c4b0b0
sendsets-cli is a skill published in the GitHub repository hashgraph-online/awesome-codex-plugins (1,326 stars, last pushed today), licensed Apache-2.0. It adds 143 tokens to every session and 3,198 once invoked, about $0.0006 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 2026-09-29.
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