Bilig WorkPaper
Headless WorkPaper MCP server for spreadsheet formulas, workbook edits, JSON persistence, and verified readback from TypeScript services.
What is Bilig WorkPaper?
Bilig WorkPaper is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to headless workpaper mcp server for spreadsheet formulas, workbook edits, json persistence, and verified readback from typescript services.
Headless WorkPaper MCP server for spreadsheet formulas, workbook edits, JSON persistence, and verified readback from TypeScript services.
This server falls under the Business Applications category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- Headless WorkPaper MCP server for spreadsheet formulas, work
Use Cases
Maintainer
Works with
Installation
NPM
npx -y @bilig/headlessManual Installation
npx -y @bilig/headlessConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Bilig WorkPaper
Bilig WorkPaper is a headless spreadsheet MCP server that brings Excel-compatible formula evaluation, cell editing, and workbook persistence into AI agent workflows without opening a GUI application. Built on ExcelJS with a custom formula engine, it supports creating workpapers programmatically, editing cells with automatic recalculation, reading back computed results, and persisting the workbook as JSON for reliable agent state. Finance teams, data analysts, and developers building AI agents that process structured numerical data use it to perform spreadsheet computations entirely through natural language.
Prerequisites
- Node.js 22.0.0 or higher (24+ recommended)
- An MCP-compatible client such as Claude Desktop or Claude Code
- npm or npx available on your system
Install the package
Install the @bilig/headless package globally or use npx to run it directly. The headless package is the core MCP server entry point.
npm install -g @bilig/headless
# Or run directly without installing:
npx -y @bilig/headlessAlternatively, scaffold a new workpaper project
Use the project creator to generate a ready-to-use workpaper project with MCP configuration files pre-generated for Claude, Cursor, and VS Code.
npm create @bilig/workpaper@latest my-workpaper
cd my-workpaper && npm install && npm run smokeCreate an agent-ready project (optional)
Use the --agent flag to scaffold a project that includes pre-configured .claude/skills and .mcp.json files so your MCP client discovers the server automatically.
npm create @bilig/workpaper@latest my-agent -- --agentAdd the server to Claude Desktop configuration
Register the @bilig/headless MCP server in your claude_desktop_config.json. No environment variables are required.
{
"mcpServers": {
"bilig-workpaper": {
"command": "npx",
"args": ["-y", "@bilig/headless"]
}
}
}Verify the server and test formula evaluation
Restart Claude Desktop and ask it to create a simple workpaper with a SUM formula to confirm the server is running and formulas are evaluated correctly.
Bilig WorkPaper Examples
Client configuration
Claude Desktop configuration for the Bilig WorkPaper MCP server using npx to run the @bilig/headless package directly.
{
"mcpServers": {
"bilig-workpaper": {
"command": "npx",
"args": ["-y", "@bilig/headless"]
}
}
}Prompts to try
Sample prompts that use the headless spreadsheet server for formula computation, workbook editing, and structured data analysis.
- "Create a pricing workpaper with an Inputs sheet (units, unit price, discount) and a Summary sheet that calculates total revenue with the discount applied"
- "Set the value of Inputs!B2 to 150 and read back the recalculated result from Summary!B5"
- "Add an NPV formula to cell Finance!C3 using a discount rate from Assumptions!B1 and cash flows in Finance!B3:B8"
- "Save the current workpaper state as JSON and verify the restore matches the original values"
- "Import this XLSX file and recalculate all formulas, then show me the value of Summary!B2"Troubleshooting Bilig WorkPaper
Formula results return null or formulas are not recalculating
Bilig uses its own formula engine layered on ExcelJS. Some advanced Excel functions may not be supported. Run bilig-formula-clinic ./your-file.xlsx --cells "Sheet!A1" to diagnose unsupported formula types. Stick to standard arithmetic, SUM, IF, NPV, and VLOOKUP-class functions for best compatibility.
Node.js version error on startup
The @bilig/headless package requires Node.js 22.0.0 or higher. Check your version with node --version. Use nvm to install a compatible version: nvm install 22 && nvm use 22.
Workbook state is lost between Claude Desktop sessions
The server is stateless between MCP sessions by design. Use the saveJson tool to persist workbook state at the end of each session, then pass the saved JSON back to the server at the start of the next session to restore it. The --agent scaffold includes patterns for this workflow.
Frequently Asked Questions about Bilig WorkPaper
What is Bilig WorkPaper?
Bilig WorkPaper is a Model Context Protocol (MCP) server that headless workpaper mcp server for spreadsheet formulas, workbook edits, json persistence, and verified readback from typescript services. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Bilig WorkPaper?
Install via npm with the command: npx -y @bilig/headless. Then add the server configuration to your AI client's JSON config file (e.g., claude_desktop_config.json or .cursor/mcp.json).
Which AI clients work with Bilig WorkPaper?
Bilig WorkPaper works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Bilig WorkPaper free to use?
Yes, Bilig WorkPaper is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.
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