How do I install the Zalo Multi Send skill?

Run npx skillmds@latest add dvcrn/zalo-multi-send in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Zalo Multi Send safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: executes scripts, makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Zalo Multi Send?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Zalo Multi Send free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Zalo Multi Send?

dvcrn (@dvcrn) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Zalo Multi Send by dvcrn — Agent Skill

Name: Zalo Multi Send
Rating: 4.2 (5 reviews)
Author: dvcrn

Zalo Multi Send

Send multiple images or files in a single Zalo message using zca-js directly. Use when the user asks to send multiple photos/files to a Zalo contact or group at once, or when openclaw's built-in single-media send is not enough. Supports local file paths and URLs. Requires Zalo credentials already set up via openclaw zalouser channel.

dvcrn Updated Sep 8, 2026 32 repo stars

File contents

zalo-multi-send

Send multiple attachments in one Zalo message via scripts/send.mjs.

Usage

node <skill-dir>/scripts/send.mjs \
  --to <userId_or_groupId> \
  --files "<path_or_url_1>,<path_or_url_2>,..." \
  [--caption "optional text"] \
  [--group] \
  [--profile default]

Parameters

Flag	Required	Description
`--to`	✅	Zalo user ID or group ID (numeric string)
`--files`	✅	Comma-separated local paths or https:// URLs
`--caption`	❌	Text message to send alongside the files
`--group`	❌	Add this flag if `--to` is a group ID
`--profile`	❌	Credential profile name (default: `"default"`)

Examples

# Send 2 local screenshots to a user
node scripts/send.mjs \
  --to 3484584962870495768 \
  --files "/home/tuan/Pictures/Screenshots/shot1.png,/home/tuan/Pictures/Screenshots/shot2.png"

# Send images from URLs with a caption
node scripts/send.mjs \
  --to 3484584962870495768 \
  --files "https://files.catbox.moe/abc.png,https://files.catbox.moe/def.png" \
  --caption "Đây nhé!"

# Send to a group
node scripts/send.mjs \
  --to 1234567890 \
  --group \
  --files "photo1.jpg,photo2.jpg"

Notes

Credentials are read from ~/.openclaw/credentials/zalouser/credentials.json (managed by openclaw, no re-auth needed)
ZCA_PATH is hardcoded to the openclaw-bundled zca-js. If openclaw is updated/reinstalled, the path may need updating in scripts/send.mjs
Local files must be readable by the current user
Zalo may have undocumented limits on number of attachments per message (tested up to ~10 without issues)
Exit 0 = success, exit 1 = error

---name: zalo-multi-senddescription: Send multiple images or files in a single Zalo message using zca-js directly. Use when the user asks to send multiple photos/files to a Zalo contact or group at once, or when openclaw's built-in single-media send is not enough. Supports local file paths and URLs. Requires Zalo credentials already set up via openclaw zalouser channel.---# zalo-multi-sendSend multiple attachments in one Zalo message via `scripts/send.mjs`.## Usage```bashnode <skill-dir>/scripts/send.mjs \ --to <userId_or_groupId> \ --files "<path_or_url_1>,<path_or_url_2>,..." \ [--caption "optional text"] \ [--group] \ [--profile default]```## Parameters| Flag | Required | Description ||---|---|---|| `--to` | ✅ | Zalo user ID or group ID (numeric string) || `--files` | ✅ | Comma-separated local paths or https:// URLs || `--caption` | ❌ | Text message to send alongside the files || `--group` | ❌ | Add this flag if `--to` is a group ID || `--profile` | ❌ | Credential profile name (default: `"default"`) |## Examples```bash# Send 2 local screenshots to a usernode scripts/send.mjs \ --to 3484584962870495768 \ --files "/home/tuan/Pictures/Screenshots/shot1.png,/home/tuan/Pictures/Screenshots/shot2.png"# Send images from URLs with a captionnode scripts/send.mjs \ --to 3484584962870495768 \ --files "https://files.catbox.moe/abc.png,https://files.catbox.moe/def.png" \ --caption "Đây nhé!"# Send to a groupnode scripts/send.mjs \ --to 1234567890 \ --group \ --files "photo1.jpg,photo2.jpg"```## Notes- Credentials are read from `~/.openclaw/credentials/zalouser/credentials.json` (managed by openclaw, no re-auth needed)- ZCA_PATH is hardcoded to the openclaw-bundled zca-js. If openclaw is updated/reinstalled, the path may need updating in `scripts/send.mjs`- Local files must be readable by the current user- Zalo may have undocumented limits on number of attachments per message (tested up to ~10 without issues)- Exit 0 = success, exit 1 = error

Frequently asked questions