Marks & Signatures

Official registry Other

Identify marks on pottery, silver, jewelry and glass, and look up their makers.

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 marks-signatures 'https://marksandsignatures.com/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "marks-signatures": {
            "type": "http",
            "url": "https://marksandsignatures.com/api/mcp"
        }
    }
}

Documentation

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

Contents
  1. Marks & Signatures MCP app
  2. Connect
  3. Tools (all read-only)
  4. Try asking
  5. Report an issue
  6. This repository

Marks & Signatures MCP app

Marks & Signatures identifies maker's marks, hallmarks and stamps on pottery, porcelain, silver, jewelry and glass, and shows the maker and all of its marks, right in the chat. It works in ChatGPT, Claude and any client that supports remote MCP servers.

Connect

The server is hosted by Marks & Signatures. No sign-in or API key is needed.

{ "mcpServers": { "marksandsignatures": { "url": "https://marksandsignatures.com/api/mcp" } } }

Tools (all read-only)

ToolWhat it does
identify_markRanked catalogue marks for a description: wording or letters, symbols, outline, colour, mark type, category, country and years
find_makersMakers by name or alias, with place, active years and an example mark
get_detailsOne mark or one maker: dating notes, history, what to look for and look-alikes
get_maker_marksAll of a maker's marks in date order, with images
list_categoriesThe catalogue's categories with their counts

Try asking

  • "I have a plate with a blue crown above the word BAVARIA. Which marks match?"
  • "A silver spoon with a walking lion and the letters EW. Who might have made it?"
  • "Show me the marks of Meissen."

Report an issue

Open an issue in this repository or write to the support address on the website's About page.

This repository

It holds only the registry descriptor (server.json), icons and this README, under the MIT licence. The website, its catalogue, mark images and the Marks & Signatures brand are not relicensed by it.

Frequently asked questions

What is Marks & Signatures?

Identify marks on pottery, silver, jewelry and glass, and look up their makers.

How do I install Marks & Signatures?

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

Does Marks & Signatures 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 Marks & Signatures open source?

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

Who maintains Marks & Signatures?

It is published by pyxlino. 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.