Individual skill
cometchat-js-v5-sdk
Add voice & video calling to any web app FROM SCRATCH with the headless CometChat Calls SDK v5 (`@cometchat/calls-sdk-javascript@5`) — no prebuilt UI Kit. init→login→generateToken→joinSession, event listeners, in-call actions (mute/video/screen-share/record/layout), meet-style session rooms AND 1:1 ringing (Chat SDK signaling + Calls SDK media). Triggers: 'add calling from scratch', 'standalone video call', 'headless calls sdk', 'build my own call UI', 'meeting room join by session id', 'one-on-one ringing call without uikit'.
plugins/cometchat/cometchat-skills/skills/cometchat-js-v5-sdk/SKILL.md
Source commit d780783eba4ecc7c8b9429f95c9362df95f07c61
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- Last checked
- Nov 4, 2026
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- 1,532
- Repository last updated
- Nov 6, 2026
- License
- Apache-2.0
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> **Ground truth:** `@cometchat/calls-sdk-javascript@5` + catalog `web-calls-v5.json` (the closed symbol list — every `CometChatCalls.*` below exists in it). Official docs: `/calls/javascript/**` = **v5** · Docs MCP. Fetch exact `SessionSettings` fields, event names, and action-method signatures from the docs (`references/docs-map.md`) — never memory. **APPEND to the user's app — additive wiring only** (`RULES.md`). This is the HEADLESS path (no UI Kit); for the prebuilt drop-in call UI use `cometchat-react-v7-calls` instead.
## Companion skills (read first)
- **Standalone/headless entry** — this skill owns its own package (the Calls SDK) and has no `-core` sibling; it is self-contained for meet-style calling.
- **For 1:1 RINGING only** it also drives the **Chat SDK** (`@cometchat/chat-sdk-javascript@4`) for call signaling — signatures fetched from docs via `references/docs-map.md` (§ "1:1 RINGING"). It does NOT depend on the React UI Kit.
- **Prefer the UI Kit instead?** If the app also wants chat and a prebuilt call UI, use `cometchat-react-v7-core` + `cometchat-react-v7-calls` — not this skill.
## Use this skill when
"add calling from scratch / without the UI Kit", "standalone voice/video", "build my own call screen", "headless calls SDK", "meeting-room join by session id", "one-on-one ringing call". Precondition: the caller chose the **from-scratch / standalone** path (the "add calling" router asks this). If they want the prebuilt call UI, route to `cometchat-react-v7-calls`.
## Prerequisites & install
```bash
npm install @cometchat/calls-sdk-javascript@5
```