mcpField
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Esign MCP

Esign MCP

Local
github.com/esign-cn-open-sourceProductivity2Updated 74w ago

About Esign MCP

Esign MCP is an MCP server for e签宝 electronic signing workflows. It uploads supported documents, converts them to PDF, creates signing flows, and lets clients query flow details.

Key features

  1. 01Upload local files or remote file links
  2. 02Convert supported formats to PDF
  3. 03Create electronic signing flows
  4. 04Query signing flow details
  5. 05Record operational logs

Use cases

  1. 01Create a signing flow from a contract file
  2. 02Check the details of an existing signing flow

MCP support

Exposes tools for creating e签宝 signing flows and querying their details to MCP clients. The server handles document upload and conversion as part of flow creation.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
"mcpServers": {
"esign-cn-open-source_mcp-server-esign": {
"command": "npx",
"args": [
"-y",
"mcp-server-esign"
],
"env": {
"HOST": "<HOST>",
"APP_ID": "<APP_ID>",
"APP_SECRET": "<APP_SECRET>"
}
}
}
}
Run commandnpx -y mcp-server-esign
Environment variables to set
HOST
APP_ID
APP_SECRETSecret

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npmmcp-server-esign

Tools

No tool list yet

Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.

Details

From the project README

e签宝 MCP 工具

基于 Model Context Protocol (MCP) 的 e签宝电子签署工具,支持文件上传、签署流程创建、签署状态查询等功能。

功能特点

  • 支持多种文件格式上传和自动转换为 PDF(支持本地文件路径和远程文件下载链接):
    • PDF 文件(.pdf)
    • Word 文件(.docx, .doc, .rtf)
    • Excel 文件(.xlsx, .xls)
    • PowerPoint 文件(.pptx, .ppt)
    • WPS 文件(.wps, .et, .dps)
    • 图片文件(.jpeg, .jpg, .png, .bmp, .tiff, .tif, .gif)
    • HTML 文件(.html, .htm)
  • 自动文件状态检查,确保文件处理完成
  • 支持创建签署流程
  • 支持查询签署流程详情
  • 完整的日志记录

配置

在 MCP 配置中添加以下环境变量:

{
  "esign-mcp": {
    "command": "npx",
    "args": ["-y", "mcp-server-esign@{version}"],
    "env": {
      "HOST": "选择对应环境:",
      "  - 测试环境:",
      "  - 沙箱环境:",
      "  - 正式环境:https://openapi.esign.cn",
      "APP_ID": "你的应用ID",
      "APP_SECRET": "你的应用密钥"
    }
  }
}

可用工具

1. create_sign_flow

创建签署流程,支持多种文件格式。

参数:

  • filePath: 本地文件路径
  • fileName: 文件名(必须包含正确的文件扩展名)
  • receiverPhone: 签署人手机号

示例:

{
  "filePath": "/path/to/contract.pdf",
  "fileName": "合同.pdf",
  "receiverPhone": "138****8000"
}
2. query_sign_flow

查询签署流程详情。

参数:

  • flowId: 签署流程ID

示例:

{
  "flowId": "12345678"
}

日志

日志文件位置:/tmp/app.log

日志包含以下信息:

  • 文件上传记录
  • 文件状态查询记录
  • 错误信息

注意事项

  1. 文件大小限制:

    • 总大小不超过 50MB
    • 单页内容不超过 20MB
  2. 文件名要求:

    • 不能包含特殊字符:/ \ : * " < > | ?
    • 不能包含 emoji 表情
    • 扩展名必须与实际文件格式一致
  3. 环境说明:

    • 测试/沙箱环境:用于开发测试
    • 正式环境:用于生产部署

错误处理

工具会自动处理常见错误情况:

  • 文件格式不支持
  • 文件上传失败
  • 文件转换失败
  • 签署流程创建失败

所有错误都会记录在日志文件中,并返回详细的错误信息。

License

MIT

相关链接

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