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 skills/sinch/sinch-plugins/sinch-api-contacts-listnpx skills add sinch/sinch-plugins --skill sinch-api-contacts-listgit clone --depth 1 https://github.com/sinch/sinch-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/sinch/sinch-plugins/sinch-api-contacts-list)<a href="https://agentmods.dev/skills/sinch/sinch-plugins/sinch-api-contacts-list"><img src="https://agentmods.dev/badge/skills/sinch/sinch-plugins/sinch-api-contacts-list.svg" alt="Measured on agentmods" 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 | $0.00016 | $0.00443 |
| Opus 5 | $0.00008 | $0.00221 |
| Sonnet 5 | $0.00003 | $0.00089 |
| Haiku 4.5 | $0.00002 | $0.00044 |
Grade A, and why
sinch-api-contacts-list 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 6d 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
List Contacts
List or search contacts for your Sinch Conversation API project. Contacts represent end-users with channel identities (phone, WhatsApp, etc.). Uses OAuth2.
IMPORTANT: Execute this command directly. Do NOT generate script files. Perform the API call immediately.
Input
--channel/-c: Filter by channel (SMS, WHATSAPP, RCS) - optional--page-size/-n: Results per page - optional, default 20--page-token/-p: Pagination token - optional--format/-f: Output format (table or json) - optional, default table
Arguments: $ARGUMENTS
Instructions
Execute these steps directly - do not write code or scripts:
-
If $ARGUMENTS empty: use defaults (table, page-size 20). Otherwise parse.
-
Validate: optional --channel, --page-size, --page-token, --format. Get CONVERSATION_* env vars. Conversation API base: https://{region}.conversation.api.sinch.com/v1. If missing, report "Sinch API is not configured."
-
GET https://{region}.conversation.api.sinch.com/v1/projects/{projectId}/contacts with query params (channel, page_size, page_token). OAuth2 Bearer token.
-
Format response: table (id, channel identities, metadata) or JSON. Display "✅ Contacts listed" with count. Include page_token for next page if present.
-
Handle 401, 404. Handle all errors gracefully.
Examples
/sinch-api-contacts-list
/sinch-api-contacts-list --channel=WHATSAPP --page-size=50
/sinch-api-contacts-list -f json
API Reference
- Endpoint: GET /v1/projects/{projectId}/contacts
- Documentation: https://developers.sinch.com/docs/conversation/api-reference/conversation/tag/Contacts/
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.
- 6d ago First seen · 47 lines · 16 tokens per session scan A b1029f4cdfd9
sinch-api-contacts-list is a skill published in the GitHub repository sinch/sinch-plugins (6 stars, last pushed 23d ago), licensed Apache-2.0. It adds 16 tokens to every session and 443 once invoked, about $0.0001 per session on Opus 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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