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Tafla

Official registry AI and agents

Calculation walkthroughs for AI tools. Hand in a calculation, get a link that shows the working.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http tafla 'https://www.tafla.is/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "tafla": {
            "type": "http",
            "url": "https://www.tafla.is/api/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Tafla plugin

Tafla shows the working behind a number as a walkthrough: the givens, each step with its formula, the result circled, and captions or a voice that talk the reader through it. The calculation stays live, so the reader can drag an input and watch every step recalculate.

This repo is the Claude Code plugin. It adds the Tafla MCP server, which has one tool, explain_calculation, and a skill that says when to hand a calculation to it.

Install

claude plugin marketplace add hoddmachine/tafla-plugin
claude plugin install tafla@tafla

Then, in a Claude Code session, type /mcp, pick tafla and choose to authenticate. Your browser opens on Tafla, you sign in if you aren't, and approve. That's it.

Any other host that speaks MCP over HTTP with OAuth can use the server directly, without this plugin:

{
  "mcpServers": {
    "tafla": { "type": "http", "url": "https://www.tafla.is/api/mcp" }
  }
}

The full setup, the tool's rules and an example call are at tafla.is/agents.

What is here

  • .claude-plugin/marketplace.json lists the plugin for claude plugin marketplace add.
  • plugins/tafla/.mcp.json is the server entry.
  • plugins/tafla/skills/tafla/SKILL.md tells Claude when to offer a walkthrough and what to send.
  • plugins/tafla/server.json is the manifest for the MCP registry.

Frequently asked questions

What is Tafla?

Calculation walkthroughs for AI tools. Hand in a calculation, get a link that shows the working.

How do I install Tafla?

It runs as a remote server. In Claude Code: claude mcp add --transport http tafla 'https://www.tafla.is/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Tafla need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Tafla open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Tafla?

It is published by hoddmachine. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.