Bilig WorkPaper

Name: Bilig WorkPaper
Author: proompteng

by proomptengversion 1.1.0i★ –iComputer or cloud

Registry nameio.github.proompteng/bilig-workpaper

Install

Overview

Description from the maker (original English)

Formula-backed WorkPaper tools for workbook readback, input edits, and JSON persistence.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Computer or cloud
Transport: stdio, Streamable HTTP
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on the maker’s server: what you ask it goes through their server.
The registry lists no key to fill in.

You need

Runs in the cloudNothing to install; it connects over the internet
npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

Open Settings → Connectors
Press Add custom connector
Paste the address below and press Add
If it asks you to sign in, sign in with the maker

https://bilig.proompteng.ai/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "bilig-workpaper": {
      "command": "npx",
      "args": [
        "-y",
        "@bilig/workpaper"
      ]
    }
  }
}

Run this in your terminal

claude mcp add --transport http bilig-workpaper https://bilig.proompteng.ai/mcp

Or run it on your computer

claude mcp add bilig-workpaper -- npx -y @bilig/workpaper

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "bilig-workpaper": {
      "url": "https://bilig.proompteng.ai/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "bilig-workpaper": {
      "command": "npx",
      "args": [
        "-y",
        "@bilig/workpaper"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "bilig-workpaper": {
      "type": "http",
      "url": "https://bilig.proompteng.ai/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "bilig-workpaper": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@bilig/workpaper"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

Open ChatGPT on the web → Settings → Connectors (Apps)
Press Create or Add (some plans need Developer mode under Advanced first)
Paste the address below, give it a name and save
If it asks you to sign in, sign in with the maker

https://bilig.proompteng.ai/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account proompteng, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
… Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
… Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
… Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint

Compared with others in Otheri

More stars than 0% of the other 32680 servers in this category
Published to the registry more recently than 55% of the other 32680 servers in this category
Basic checks equal to or better than 100% of the other 32680 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Bilig WorkPaper safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.1.0) reached the registry 34 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, EmbeddedCI BenchPod

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Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Bilig

Keep the workbook model. Run the rule in Node.

Bilig is a TypeScript-native, headless WorkPaper runtime for Node.js services, tests, and AI agents. Set inputs, recalculate formulas, read computed outputs, persist WorkPaper JSON, restore it, and verify the result—without driving Excel or a browser grid.

Docs · Quick start · TypeScript API · MCP · Examples · Discussions

[!NOTE]

Bilig is a headless workbook runtime, not a visual spreadsheet app or a claim

of full Excel compatibility. If an .xlsx file is your contract, start with

the compatibility report.

Quick Start

Node runtime

Prove the published package before installing it:

npm exec --yes --package @bilig/workpaper@latest -- bilig-evaluate --door workpaper-service --json

The evaluator edits Inputs!B2, recalculates Summary!B2, saves the WorkPaper, restores it, and compares the restored value:

"schemaVersion": "bilig-evaluator.v1", "door": "workpaper-service", "evidence": { "editedCell": "Inputs!B2", "dependentCell": "Summary!B2", "before": 24000, "after": 38400, "afterRestore": 38400 }, "verified": true }

verified: true means the write, formula readback, JSON export, and restored readback all passed. It is stronger evidence than a successful write call.

Use It From TypeScript

npm install @bilig/workpaper

import { buildA1WorkPaper } from '@bilig/workpaper'

const pricing = buildA1WorkPaper({ Inputs: [ ['Metric', 'Value'], ['Units', 20], ['Price', 1200], ], Summary: [ ['Metric', 'Value'], ['Revenue', '=Inputs!B2*Inputs!B3'], ], })

const proof = pricing.editAndReadback('Inputs!B2', 32, { readbackRange: 'Summary!B2', })

console.log(proof.afterReadback.displayValues[0]?.[0]) // 38400 console.log(proof.verified) // true

pricing.dispose()

For ordinary operations, use set(), setMany(), readMany(), display(), and saveJson(). Use editManyAndReadback() when multiple inputs must be committed and verified as one edit. The complete public API is documented in packages/workpaper/README.md.

The lifecycle is deliberately small:

inputs → formula recalculation → typed readback → JSON persistence → restore verification

Why Bilig

Capability	What it gives you
Workbook-shaped models	Sheets, A1 addresses, formulas, ranges, and named expressions without a spreadsheet UI.
Verified mutations	Before/after computed values plus persistence and restore checks.
Service-owned state	Portable WorkPaper JSON for routes, queues, tests, tools, and audit trails.
Agent-safe tools	Narrow read/write tools with exact cells, computed readback, and writable-sheet boundaries.
Explicit file boundaries	Separate XLSX import, export, risk inspection, and Excel-oracle workflows.

Use Bilig for pricing, quote approval, payouts, forecasts, validation rules, formula-backed workflows, and tests where a service or tool should own the model. Choose a spreadsheet application or hosted spreadsheet API when you need visual editing, collaboration, macros, interactive pivots or charts, or desktop fidelity.

Agents And MCP

Agents should first ask which system owns state, then run the smallest matching proof. For a tool host or MCP client:

npm exec --yes --package @bilig/workpaper@latest -- bilig-agent-start --json

npm exec --yes --package @bilig/workpaper@latest -- bilig-evaluate --door agent-mcp --json

The MCP evaluator proves tool discovery, mutation, recalculated readback, JSON export, disk persistence, process restart, and restored readback. For a local, writable WorkPaper:

npm exec --yes --package @bilig/workpaper@latest -- bilig-workpaper-mcp --workpaper ./pricing.workpaper.json --init-demo-workpaper --writable

Use that local stdio path for private or persistent project state. The hosted https://bilig.proompteng.ai/mcp endpoint is request-local and only intended for stateless connector discovery and smoke tests; do not send private workbook data to it.

The server exposes list_sheets, read_range, read_cell, set_cell_contents, set_cell_contents_and_readback, get_cell_display_value, export_workpaper_document, and validate_formula. It also publishes MCP resources and prompts so capable hosts can discover the workflow before editing cells.

Machine-readable entry points:

Need	Entry point
A compact routing card	`docs/agent-start.txt`
A concise model index	`docs/llms.txt`
Full agent documentation	`docs/llms-full.txt`
Installation context	`docs/llms-install.md`
Structured capabilities	`docs/agent.json`
Reusable skill	`skills/bilig-workpaper/SKILL.md`
Proof and host matrix	`docs/agent-adoption-kit.md`

The published package also carries AGENTS.md and SKILL.md, so an agent can discover the same proof contract from node_modules. Install or inspect the public skill with either source:

npx --yes skills@latest add https://bilig.proompteng.ai --list

npx --yes skills@latest add proompteng/bilig --skill bilig-workpaper --list

Host-specific project files

Use the agent rule chooser or the host handoff prompt. The repository includes CLAUDE.md, .claude/skills/bilig-workpaper/SKILL.md, .claude/commands/bilig-workpaper-proof.md, .cursor/rules/bilig-workpaper.mdc, .devin/rules/bilig-workpaper.md, .windsurf/rules/bilig-workpaper.md, .clinerules/bilig-workpaper.md, .continue/rules/bilig-workpaper.md, .zed/settings.json, opencode.jsonc, and .opencode/agents/bilig-workpaper.md.

Integration Recipes After The Proof

Run an evaluator first, then use the recipe owned by your host:

OpenAI Agents SDK: direct tools, MCPServerStdio, and MCPServerStreamableHttp.
OpenAI Responses API: function-call readback with explicit before/after evidence.
Vercel AI SDK: generateText() and streamText() tool loops.
Open WebUI: local or hosted MCP discovery.
n8n: the @bilig/n8n-nodes-workpaper community node.

Choose An Evaluation Path

Your state owner	Start here	Evidence to require
TypeScript application	`npm install @bilig/workpaper`	direct A1 API and focused application tests
Node service, route, queue, or test	`bilig-evaluate --door workpaper-service --json`	edit, recalculation, JSON export, restore, `verified: true`
MCP client or tool host	`bilig-evaluate --door agent-mcp --json`	discovery, readback, disk persistence, restart
Imported `.xlsx` is the contract	`workbook-compatibility-report workbook.xlsx --json`	unsupported formulas and workbook risk reasons for that file
Cached `.xlsx` values look stale	`xlsx-cache-doctor workbook.xlsx --json`	stale-cache diagnosis, recalculation, and readback for that file

The workbook-compatibility and xlsx-cache evaluator doors use bundled demo workbooks to smoke-test the published package; they do not inspect your file. Do not treat any evaluator as proof of desktop Excel parity.

Examples And Deeper Guides

Start with one maintained example, not the whole monorepo:

examples/headless-workpaper: pricing, invoice, budget, fulfillment, subscription, persistence, and agent examples.
examples/serverless-workpaper-api: quote approval through Hono, Next.js, and persistence adapters.
examples/xlsx-recalculation-node: import, recalculate, export, reimport, and verify an XLSX workbook.
examples/recalc-bridge-workflows: focused bridges for existing SheetJS, xlsx-populate, and ExcelJS workflows.

Useful decision guides:

Formula workbooks proof page
Agent evaluator matrix
MCP spreadsheet server for coding agents
Vercel AI SDK formula readback
OpenAI Responses tool calls
ExcelJS formula result boundary
Google Sheets QUERY and SORTN
Microsoft Graph Excel boundary
XLSX formula support answers
Production adoption checklist

Runnable integration and diagnostic commands

pnpm --dir examples/headless-workpaper run agent:ai-sdk-generate-text

pnpm --dir examples/headless-workpaper run agent:ai-sdk-stream-text pnpm --dir examples/headless-workpaper run agent:openai-responses pnpm --dir examples/headless-workpaper run agent:mcp-xlsx-risk-preflight pnpm --dir examples/serverless-workpaper-api run hono-route pnpm --dir examples/serverless-workpaper-api run next-server-action pnpm --dir examples/serverless-workpaper-api run next-server-action-formdata

The AI SDK generateText() smoke lives at [`ai-sdk-generate-text-tool-smoke.t

Only the beginning is shown; read the rest in the repo

Bilig WorkPaper

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Or run it on your computer

Or run it on your computer

Or run it on your computer

Or run it on your computer

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

EmbeddedCI BenchPod

README from the maker

Bilig

Quick Start

Node runtime

Use It From TypeScript

Why Bilig

Agents And MCP

Integration Recipes After The Proof

Choose An Evaluation Path

Examples And Deeper Guides