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 sentdm/sent-plugin --skill sent-integration-startergit clone --depth 1 https://github.com/sentdm/sent-pluginWrote 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/sentdm/sent-plugin/sent-integration-starter)<a href="https://agentmods.dev/skills/sentdm/sent-plugin/sent-integration-starter"><img src="https://agentmods.dev/badge/skills/sentdm/sent-plugin/sent-integration-starter/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/sentdm/sent-plugin/sent-integration-starter"><img src="https://agentmods.dev/badge/skills/sentdm/sent-plugin/sent-integration-starter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- 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 | $0.00100 | $0.02062 |
| Opus 5.5 | $0.00040 | $0.00825 |
| Sonnet 5.5 | $0.00020 | $0.00412 |
| Haiku 4.5 | $0.00010 | $0.00206 |
Grade A, and why
sent-integration-starter 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 — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sent Integration Starter
Bring up a Sent integration in four stages: authenticate, send idempotently, receive verified events, then harden. Do not conflate them — most broken integrations pass stage one and skip stage three.
Stage 1: client and credentials
Direct Sent v3 REST requests authenticate with the x-api-key header. An application proxy may accept Authorization: Bearer from its own callers, and the Sent MCP server uses client-managed OAuth, but neither changes the REST header sent to api.sent.dm. Organization keys may add x-profile-id to act for a child profile; a profile-scoped key that sends that header receives 403.
| Language | Package | Client |
|---|---|---|
| TypeScript | @sentdm/sentdm |
new SentDm({ apiKey }) |
| Python | sentdm (imports sent_dm) |
Sent(api_key=api_key) or AsyncSent(api_key=api_key) |
| Go | github.com/sentdm/sent-dm-go |
sentdm.NewClient(option.WithAPIKey(apiKey)) |
| Java | dm.sent:sent-java |
SentOkHttpClient.builder().apiKey(apiKey).build() |
| C# | Sentdm |
new SentClient { ApiKey = apiKey } |
| PHP | sentdm/sent-dm-php |
new SentDm\Client($apiKey) |
| Ruby | sentdm |
Sentdm::Client.new(api_key: api_key) |
For generated application code, require an explicit, non-empty API key supplied by the application owner and pass it through the SDK's credential option. Inject the signing secret resolved for each webhook id into receiver helpers. Never inspect the plugin installer's environment, credential store, or MCP tokens; the plugin itself authenticates through client-managed OAuth. Multi-tenant production receivers need a secret registry keyed by webhook id.
Choose the client lifecycle from the credential model. A single-account service with one server-managed key should reuse a long-lived client and its connection pool. A multi-tenant proxy that resolves a caller or profile credential per request should construct the client for that request and discard it, so tenant credentials cannot leak through shared state. Framework-specific wiring, the Ruby messages.send_ naming quirk, and per-ecosystem background-work choices are in references/sdk-and-frameworks.md.
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 Changed 832aa4435bbc
- 1mo ago First seen · 109 lines · 100 tokens per session scan A 0a88c357b459
sent-integration-starter is a skill published in the GitHub repository sentdm/sent-plugin (51 stars, last pushed yesterday), licensed MIT. It adds 100 tokens to every session and 2,062 once invoked, about $0.0004 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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