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MGS Toolbox MCP Server

by michaelghelfistudios Your server? Claim it
answering

MGS Toolbox is answering right now. Last checked 5 min ago. It exposes 12 tools.

Fantasy TTRPG data: metals, minerals, ingredients, potions, gems, craft rules, music catalogue.

Uptime history 65 days of history · worst day 90%
65 days agonow
100.0%
Uptime 24h
91 of 91 checks
12
Tools
read from the server
441 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 10

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 5 October 2026. No other catalogue keeps this.

9 Oct 4 tools changed the parameters they ask for get_entry, list_entries, list_facets and 1 more
9 Oct 2 tool descriptions were rewritten get_entry, search_encyclopedia
5 Oct 2 tool descriptions were rewritten list_facets, search_encyclopedia
5 Oct 2 tools changed the parameters they ask for list_entries, random_entry

Nothing serious here today

Today is the operative word: we check MGS Toolbox every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add toolbox --transport http https://michaelghelfistudios.com/api/v1/mcp
Settings → Connectors → Add custom connector, then paste this address
https://michaelghelfistudios.com/api/v1/mcp
~/.codex/config.toml
[mcp_servers.toolbox]
url = "https://michaelghelfistudios.com/api/v1/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "toolbox": {
      "url": "https://michaelghelfistudios.com/api/v1/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "toolbox": {
      "type": "http",
      "url": "https://michaelghelfistudios.com/api/v1/mcp"
    }
  }
}

Available tools 12

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

random
random_entry
One entry at random among those matching the filters: loot tables, "mineral of the day", a credible metal for a blacksmith, a foraging roll.
random_track
One published track at random among those matching the filters.
albums
list_albums
Published albums with track count, page url and an embeddable player url.
audio
audio_taxonomy
The vocabulary of the track filters: every genre, mood, era and keyword in use.
composers
list_composers
Every composer with published tracks, most prolific first, with their page url.
craft
craft_rules
The rules of the crafting system (characters, essences, extraction, brewing, gem cutting, socketing) as titled HTML sections.
encyclopedia
search_encyclopedia
Find metals, minerals, ingredients and materials, potions, gems, the milieux, animals, plants and creatures of Biomes and the reference pages of Hearth, Passage and Bearer by name (case- and accent-insensitive; exact names first, then prefixes, then substrings, aliases included). Returns each hit with its kind, id, one-line summary and page url; call get_entry for the full data.
entries
list_entries
A page of one catalogue, filtered. Use it to answer "which minerals are cubic and gem-quality?", "legendary metals of the medieval era", "swamp ingredients with a fire essence". Combine with q for a name search inside the filter.
entry
get_entry
The full data of one entry (a metal, mineral, ingredient, potion, gem, milieu, animal, plant, creature or reference page) by its id (from search_encyclopedia or list_entries): properties, lore, page url, embed_url.
facets
list_facets
Every distinct value of each filterable field of a catalogue (categories, rarities, crystal systems, biomes, essences…) and its entry count.
track
get_track
One track by id or slug, with its published alternative versions.
tracks
search_tracks
Published tracks of MGS Audio (music, ambiences, sound effects) with composer, album, moods, keywords, duration and page url. Metadata only: no audio file. "A battle theme" → genre: "Combat", type: "music"; "a forest ambience" → type: "ambience", genre: "Forest"; "something for a dungeon" → keyword: "dungeon".

Endpoints

URLTransportStateLatencyChecked
https://michaelghelfistudios.com/api/v1/mcp streamable-http answering 436 ms 5 min ago

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MGS Toolbox — questions

Answers built from our own checks of this server.

What can MGS Toolbox do?
It exposes 12 tools, read directly from the server on our last check. Among them: audio_taxonomy, craft_rules, get_entry, get_track, list_albums, list_composers and 6 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is MGS Toolbox working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 441 ms. The bar chart above shows every period we have measured.
How do I connect MGS Toolbox?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does MGS Toolbox need an API key?
No. MGS Toolbox completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is MGS Toolbox?
It answers our handshake in 441 ms on average, which is faster than 29% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.