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Foundations Elements

Official registry Search and web

UI encyclopedia for agents — search Elements and fetch component specs over MCP (OAuth).

Source code 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 foundations-elements 'https://foundations.tensegrity.works/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "foundations-elements": {
            "type": "http",
            "url": "https://foundations.tensegrity.works/mcp"
        }
    }
}

Documentation

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

Contents
  1. Foundations Elements MCP
  2. What you get
  3. Install
  4. Official MCP Registry
  5. Privacy
  6. License
  7. Channel note

Foundations Elements MCP

Public install package for the Foundations Elements remote MCP server.

This repository is the free plugin / registry metadata. The Worker implementation stays private. Access to catalog tools requires a Foundations account (OAuth via https://auth.tensegrity.works).

Publisher (marketplaces): GitHub org Tensegrity-Systems. Canonical repo: https://github.com/Tensegrity-Systems/foundations-elements-mcp (GitLab remains a staging mirror).

What you get

Cursor / Agent plugin that points at the remote MCP endpoint, plus server.json for the official MCP Registry.

Tools include search, kind lists, and spec fetch (elements_search, elements_list, elements_get, and related). See server instructions after connect.

Install

Cursor
  1. Install this plugin from the Marketplace when published, or load the repo as a local plugin.
  2. Complete OAuth when Cursor prompts for Foundations sign-in.
  3. Request access at https://tensegrity.company/elements if you do not have an account.

mcp.json already points at:

https://foundations.tensegrity.works/mcp
Claude

Add a custom connector with the same HTTPS URL, then sign in with OAuth. Directory listing will use this package’s branding and docs links.

VS Code / Copilot

Configure an HTTP MCP server with the URL above (after Official / GitHub MCP Registry publication).

Official MCP Registry

server.json declares a remote Streamable HTTP server. Preferred registry name (after domain ownership proof on tensegrity.works):

works.tensegrity/foundations-elements

Privacy

Foundations account sign-in and MCP usage are covered by the company privacy policy:

https://tensegrity.company/privacy

This install package does not collect data on its own; it only points clients at the remote MCP URL. Support: support@tensegrity.company.

License

MIT for this install package. Foundations Elements content and API remain proprietary; see https://tensegrity.company/terms and https://foundations.tensegrity.works/terms.

Channel note

Paid HTTP (x402) lookups use GET /mcp/elements/search. That is a separate agent-catalog path, not this IDE MCP plugin.

Frequently asked questions

What is Foundations Elements?

UI encyclopedia for agents — search Elements and fetch component specs over MCP (OAuth).

How do I install Foundations Elements?

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

Does Foundations Elements 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 Foundations Elements open source?

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

Who maintains Foundations Elements?

It is published by Tensegrity-Systems. 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.