# Marks & Signatures MCP app

[Marks & Signatures](https://marksandsignatures.com) 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.

- Website: https://marksandsignatures.com
- App guide: https://marksandsignatures.com/app/
- Support: https://marksandsignatures.com/about/
- Privacy: https://marksandsignatures.com/privacy/ · Terms: https://marksandsignatures.com/terms/

## Connect

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

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

## Tools (all read-only)

| Tool | What it does |
|---|---|
| `identify_mark` | Ranked catalogue marks for a description: wording or letters, symbols, outline, colour, mark type, category, country and years |
| `find_makers` | Makers by name or alias, with place, active years and an example mark |
| `get_details` | One mark or one maker: dating notes, history, what to look for and look-alikes |
| `get_maker_marks` | All of a maker's marks in date order, with images |
| `list_categories` | The 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.