@iarna/toml Connector for AI agents.

Q: Is there a way to convert JSON back to TOML?

Yes, the parsetoml tool supports bidirectional conversion, so you can go from JSON to TOML just as easily as the other way around.

1 live capability

Edit Rust, Python, and Cloudflare configuration files without breaking syntax.

Live agent request @iarna/toml / Connector

Waiting for input…

AI Agent

Why people use @iarna/toml

TOML Parser Engine for Reliable Rust and Python Config Edits

With the TOML Parser Engine, your agent converts the file to JSON first. It makes the data easy for the AI to manipulate without any risk of breaking the format. The agent then converts it back to perfect TOML, so you get a working config file every single time.

What Vinkius changes

Your agent gets a reliable bridge between TOML configs and JSON data.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

Real-world use case 01

Updating Rust dependencies

A dev asks the agent to add a crate to Cargo.
Real-world use case 02

Cloudflare config updates

An engineer needs to change a wrangler.
Real-world use case 03

Python project migration

A dev wants to move metadata from a JSON file into a pyproject.

Complete set · 1capability

The complete @iarna/toml capability set.

These are the exact actions your AI can choose when you ask it to work with @iarna/toml.

Capability set01 / 01

01

1 capability in this set.

Part of 1 available through @iarna/toml.

01 Capability
Parse toml
The parse_toml capability converts TOML or JSON content between formats. It handles nested tables and datetime values deterministically.

Set up in minutes

One URL. Then ask @iarna/toml to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use @iarna/toml from the conversation.

Choose your client

Live preview

Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP

https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml, and paste the URL above.
Step 03

Turn it on in chat

Select +, open Connectors, and enable @iarna/toml for the conversation.

ChatGPT · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP

https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml URL.
Step 03

Save and start

Save the connection and enable @iarna/toml in your conversation. Desktop may ask you to restart once.

Cursor · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "toml-parser-engine": {
      "url": "https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml

Open Agent mode in chat and ask: "Using @iarna/toml, help me...". 1 tools available

VS Code Copilot · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "toml-parser-engine": {
      "url": "https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml

Ask Copilot: "Using @iarna/toml, help me...". 1 tools available

Windsurf · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "toml-parser-engine": {
      "url": "https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml

Open Cascade and ask: "Using @iarna/toml, help me...". 1 tools available

Cline · IDE configuration

Official guide ↗

Advanced setup

{
  "mcpServers": {
    "toml-parser-engine": {
      "url": "https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml

Ask Cline: "Using @iarna/toml, help me...". 1 tools available

Claude Code · Terminal command

Official guide ↗

Advanced setup

claude mcp add toml-parser-engine --transport http "https://edge.vinkius.com/vk_preview_4iZaZNjxZGbHdihHH7ZjREBq5ad0IxOFhHEmMmWA/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 @iarna/toml

Ask Claude: "Using @iarna/toml, show me...". 1 tools are ready

Where the request belongs

Work @iarna/toml can move forward.

Built around the request

This is for developers and DevOps engineers who need their AI to manage project configurations without the AI breaking the file structure.

Rust Developer

Updating Cargo.toml dependencies and ensuring the AI doesn't break the project structure.

Python Engineer

Managing complex pyproject.toml files and environment configurations.

DevOps Engineer

Editing Cloudflare wrangler.toml files for deployment settings.

Build the capability set

Each Connector adds new actions and data without changing how you work.

Browse Connectors

01 3 capabilities

TOML Strict Config Parser

A deterministic, dependency-free parser that transforms TOML strings into structured JSON objects.

View Connector

02 1 capability

YAML Parser Engine

Convert YAML to JSON and JSON to YAML with absolute precision. including anchors, aliases, and multi-document support. The engine behind Kubernetes, GitHub Actions, and Docker Compose config processing. 30M+ weekly downloads.

View Connector

03 1 capability

YAML/JSON Converter

Prevent DevOps YAML hallucination. Convert complex YAML files to JSON for safe AI processing, and back to perfect YAML.

View Connector

04 1 capability

INI Parser Engine

Convert INI config files (php.ini, my.cnf, .editorconfig) to JSON and back with absolute precision. 55M+ weekly downloads.

View Connector

05 1 capability

Dotenv Parser Engine

Parse .env file content into structured JSON. Handles quotes, multiline values, and comments deterministically.

View Connector

06 2 capabilities

Markdown Utilities Engine

Equip your AI with programmatic Markdown capabilities. Deterministically generate Table of Contents (TOC) with correct anchor links and format perfect Markdown tables from JSON.

View Connector

Bring your own AI

Change the model, client or framework. Keep @iarna/toml connected.

Claude
ChatGPT
Gemini
Cursor
VS Code
Windsurf
ZCode
Cline
Zed
Continue
Kiro
Roo Code
Zencoder
Goose
Void
Augment Code
Amp
Qodo
Tabnine
Pieces
Sourcegraph Cody
JetBrains
Warp
Amazon Q
Antigravity
BoltAI
Raycast
Jan
LM Studio
AnythingLLM
Open WebUI
Msty
Cherry Studio
LibreChat
TypingMind
Chorus
5ire
n8n
LangChain
LlamaIndex
CrewAI
Vercel AI SDK

Before you connect

Questions about @iarna/toml.

The practical details behind the request, access and result.

Does the TOML Parser Engine support Cargo.toml?

Yes, it's specifically designed to handle the nested tables and arrays found in Rust's Cargo.toml files.

Can I use the TOML Parser Engine to edit Cloudflare settings?

You can use it to convert wrangler.toml files to JSON for easier editing and then back to TOML for your deployment.

Will the TOML Parser Engine break my multiline strings?

No, it's built to handle TOML 1.0 multiline strings perfectly, ensuring your scripts and descriptions stay intact.

Can I use this with my Python projects?

It works great for pyproject.toml files, allowing your agent to manage your Python project metadata without syntax errors.

Does the TOML Parser Engine handle datetime values?

Yes, it handles TOML 1.0 datetime values deterministically so your dates won't get corrupted during conversion.

Is there a way to convert JSON back to TOML?

Yes, the parse_toml capability supports bidirectional conversion, so you can go from JSON to TOML just as easily as the other way around.

Does it support TOML 1.0 spec?

Yes. @iarna/toml fully supports the TOML 1.0 specification including all edge cases like nested tables, inline tables, and datetime values.

Can I convert JSON back to TOML?

Yes. Use direction "json-to-toml" to serialize a JSON object back into valid TOML format with proper sections and formatting.

What files does this commonly work with?

Cargo.toml (Rust), pyproject.toml (Python), wrangler.toml (Cloudflare Workers), Hugo config.toml, and any TOML-based configuration file.

One connection away

Give your agent a direct line to @iarna/toml.

Connect @iarna/toml once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available

TOML Parser Engine for Reliable Rust and Python Config Edits

Your agent gets a reliable bridge between TOML configs and JSON data.

Updating Rust dependencies

Cloudflare config updates

Python project migration

Parse toml

Open Connectors

Add the URL

Turn it on in chat

Open MCP settings

Add the URL

Save and start

Open MCP Settings

Add the server config

Save the file

Start using @iarna/toml

Create MCP config

Add the server config

Enable Agent mode

Start using @iarna/toml

Open MCP Settings

Add the server

Save and reload

Start using @iarna/toml

Open Cline MCP Settings

Add remote server

Enable the server

Start using @iarna/toml

Install Claude Code

Add the Connector

Verify the connection

Start using @iarna/toml

Rust Developer

Python Engineer

DevOps Engineer

TOML Strict Config Parser

YAML Parser Engine

YAML/JSON Converter

INI Parser Engine

Dotenv Parser Engine

Markdown Utilities Engine

Give your agent a direct line to @iarna/toml.