Math.js Connector for AI agents.
2 live capabilities
Perform precise arithmetic and floating-point calculations for your data projects.
Waiting for input…
Why people use Math.js
Math Evaluation Engine for Precise Financial Calculations
This Connector changes the workflow by letting your agent handle the math directly. It pulls the expression, runs it through a dedicated engine, and gives you the exact number you need.
What Vinkius changes
Your agent stops guessing and starts calculating.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
Fixing 0.1 + 0.2 errors
A user asks for a sum of decimals.
- Real-world use case 02
Generating financial reports
An analyst needs a table of rounded totals.
- Real-world use case 03
Solving nested equations
A student asks for the result of (2^4 + 10) / 2.
Complete set · 2capabilities
The complete Math.js capability set.
These are the exact actions your AI can choose when you ask it to work with Math.js.
01—02
2 capabilities in this set.
Part of 2 available through Math.js.
- 01 Capability
Calculate expression
Evaluates complex math strings like (1.5 * 3) / 0.2 to give you a perfect answer. This ensures your agent handles operator precedence correctly every time.
- 02 Capability
Round value
Solves an expression and rounds it to a specific number of decimal places for clean output. It is perfect for formatting currency or scientific data.
Set up in minutes
One URL. Then ask Math.js to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Math.js from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it Math.js, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Math.js for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the Math.js URL.
- Step 03
Save and start
Save the connection and enable Math.js in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"math-evaluation-engine": {
"url": "https://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using Math.js
Open Agent mode in chat and ask: "Using Math.js, help me...". 2 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"math-evaluation-engine": {
"url": "https://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using Math.js
Ask Copilot: "Using Math.js, help me...". 2 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"math-evaluation-engine": {
"url": "https://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using Math.js
Open Cascade and ask: "Using Math.js, help me...". 2 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"math-evaluation-engine": {
"url": "https://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using Math.js
Ask Cline: "Using Math.js, help me...". 2 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add math-evaluation-engine --transport http "https://edge.vinkius.com/vk_preview_9XR5wuizVoLpOQlm7Fd6xdylcsHMWbeUTe8YetYM/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using Math.js
Ask Claude: "Using Math.js, show me...". 2 tools are ready
Where the request belongs
Work Math.js can move forward.
This is for developers and data analysts who need 100% accuracy in numerical outputs. It is for anyone tired of fixing hallucinated numbers in reports or code.
Software Engineer
Building a fintech app where rounding errors can cost real money.
Data Scientist
Processing large datasets where floating-point inaccuracies ruin the results.
Financial Analyst
Creating automated reports that require strict decimal precision.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
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Perform advanced symbolic mathematics—simplify expressions, calculate derivatives, find integrals, and solve equations directly through your AI agent.
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Empower your AI with the world's most powerful computational engine. Solve complex calculus, extract exact scientific facts, and eliminate mathematical hallucinations.
Fraction Exact Calculator
Perform exact rational number arithmetic, continued fraction analysis, and decimal expansion without floating-point errors.
Bring your own AI
Change the model, client or framework. Keep Math.js connected.
-
Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
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Before you connect
Questions about Math.js.
The practical details behind the request, access and result.
Can the Math Evaluation Engine MCP handle floating-point errors?
Yes, it solves the common issue where AI agents struggle with decimals like 0.1 + 0.2 by using a dedicated math library.
Does the Math Evaluation Engine MCP support complex parentheses?
It handles nested expressions and multiple operators perfectly, ensuring the correct order of operations every time.
Is the Math Evaluation Engine MCP good for financial math?
It is ideal for finance because it provides deterministic results and allows you to set specific rounding rules for your reports.
How does the Math Evaluation Engine MCP handle rounding?
You can tell your agent to round any expression to a specific number of decimal places for consistent reporting.
Will the Math Evaluation Engine MCP make my AI faster?
It does not replace the AI, but it makes the process more reliable by offloading the heavy lifting to a specialized engine.
Can the Math Evaluation Engine MCP solve multi-step equations?
Yes, you can pass a long string of operations and get the final, mathematically correct result.
Why use this instead of the LLM?
Because LLMs are probabilistic text generators, not calculators.
Does it handle floating point bugs?
Yes, mathjs evaluates expressions safely without the JS 0.300004 bug.
Can it round dynamically?
Yes, you specify the exact decimal precision required.
One connection away
Give your agent a direct line to Math.js.
Connect Math.js once. Keep it beside 6,100+ managed Connectors when the next task needs more.
Explore every Connector No credit card required · Free tier available