lark-file-sender

Send files to Feishu/Lark users and groups via the message tool. Use when the user wants to send documents, images, PDFs, or any files through Feishu. Handles file path validation, channel selection, and proper message formatting for seamless file delivery in Feishu conversations.

Feishu File Sender

Send files to Feishu/Lark users and chat groups with proper formatting and error handling.

When to Use

Use this skill when:

• User wants to send a file via Feishu
• Need to deliver documents, images, PDFs to Feishu contacts
• Transferring generated files (reports, exports, etc.) to Feishu
• Sharing any file through Feishu messaging

Quick Start

# Basic file send
message action=send filePath="/path/to/file.pdf"

# With custom message
message action=send filePath="/path/to/report.docx" message="Here's the report you requested"

File Types Supported

• Documents: .pdf, .doc, .docx, .txt, .md
• Spreadsheets: .xls, .xlsx, .csv
• Images: .jpg, .jpeg, .png, .gif, .webp
• Archives: .zip, .rar, .tar.gz
• Code files: .py, .js, .html, .json, etc.

Usage Examples

Send a Single File

message action=send filePath="/workspace/report.pdf"

Send with Caption

message action=send filePath="/workspace/data.xlsx" message="Q4 sales data"

Send Multiple Files

Send files one by one with context:

for file in files:
    message action=send filePath=file

Send to Specific Target

# To a specific user
message action=send target="user:ou_xxx" filePath="/path/to/file"

# To a specific chat
message action=send target="chat:oc_xxx" filePath="/path/to/file"

Best Practices

1. Always verify file exists before sending
2. Provide context with the message parameter when helpful
3. Check file size - Feishu has limits (typically 100MB-1GB depending on plan)
4. Use absolute paths to avoid confusion

Common Patterns

After Generating a File

# Generate report
exec command="python generate_report.py"

# Send to user
message action=send filePath="/workspace/output/report.pdf" message="Your report is ready"

Batch File Delivery

# Collect all generated files
files = ["/workspace/file1.pdf", "/workspace/file2.xlsx"]

for i, file in enumerate(files, 1):
    message action=send filePath=file message=f"File {i} of {len(files)}"

Error Handling

Common issues and solutions:

Error	Cause	Solution
File not found	Wrong path	Use absolute path with filePath
Access denied	Permissions	Check file permissions with ls -la
Too large	File size limit	Compress or split file
Channel error	Feishu config	Verify channel is properly configured

Tool Reference

message tool (action=send)

action: send
filePath: /absolute/path/to/file    # Required: path to file
message: "Optional caption text"    # Optional: accompanying message
target: "user:xxx" or "chat:xxx"   # Optional: specific recipient
channel: feishu                     # Optional: defaults to current

Related Skills

• auto-file-sender - Automatic file sending when files are generated
• feishu-file-transfer - Large file transfer via Feishu API

---

Version: 1.0
Compatible with: OpenClaw v1.x+
Platform: Feishu / Lark