MGS Toolbox
blockersmichaelghelfistudios.com
Fantasy TTRPG data: metals, minerals, ingredients, potions, gems, craft rules, music catalogue.
https://michaelghelfistudios.com/api/v1/mcpWebsiteOAuthMCP 2025-11-25v1.0.0last checked 22 Oct 2026spoke MCP on 98.8% of 84 checks (30 days)initialize in 330 msLast checked 22 Oct 2026
- ✓Answered the MCP handshake (MCP 2025-11-25)
- ✓Auth detected: OAuth
- ✓Lists 12 tools
- ✕1 blocker
- !Spoke MCP on 83 of 84 checks (30 days)
How to authenticate
Checked against the endpoint by our probe on 22 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.
| Scheme | OAuth |
|---|---|
| Issuer | https://michaelghelfistudios.com |
| Dynamic client registration | ✕Not advertised |
| Client ID Metadata Document | ✓Supported A client identifies itself by a URL to its own metadata, so no registration step is required. |
| PKCE | ✓S256 |
| Grant types | authorization_code, refresh_token |
| Scopes | mcp |
| Protected-resource metadata | ✓Published (RFC 9728) |
| Anonymous access | Refused — credentials required |
What the probe found
The endpoint returned JSON with neither a result nor an error field.
Tools
Contract history
Instructions rewritten: get_entry, search_encyclopedia. The description an agent follows changed; the callable contract may not have.
Instructions rewritten: search_encyclopedia. The description an agent follows changed; the callable contract may not have.
Instructions rewritten: list_facets. The description an agent follows changed; the callable contract may not have.
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Status badge
Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.
[](https://mcpi.app/servers/mgs-toolbox)