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Marble

A hand-curated marbles reference — rules, marble types, terminology and traditions worldwide

Unify Dynamics LLC

Documentation
Tools8read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

How do you play Ringer?
Tools called
game_rules
What's a cat's eye marble?
Tools called
marble_type_glossary
What does 'knuckle down' mean in marbles?
Tools called
term_glossary
What marbles game works for 4 kids in a small backyard?
Tools called
find_game_for_group
How did marbles start as a game?
Tools called
history_note
How is marbles played in India?
Tools called
regional_tradition
What categories of marbles games do you cover?
Tools called
category_list
Any tips for a beginner playing Ring Taw?
Tools called
beginner_tips

About

Marble is a fully local, hand-curated marbles (the game) reference. game_rules gives one game's full detail: category, equipment, setup, numbered how-to-play steps, how a round is won, variants, and a short origin note, across eight games (Ring Taw/Ringer, Bridgeboard, Nine Holes, Bombies, Long Taw, Increase Pound, Ducks on a Rock, Nearest the Hole). marble_type_glossary defines marble-type/material terms like aggie, cat's eye, steelie and sulphide; term_glossary defines general game terminology like taw, knuckle down, span, fen and lag, kept separate from marble-type terms. find_game_for_group suggests 1-4 games given a player count and/or a plain-language play space. history_note covers marbles' early materials and the rise of handmade then machine-made glass marbles. regional_tradition gives a factual note on how marbles is played in the United Kingdom, United States, Germany, India (as Kancha/Goli), the Netherlands, and Southeast Asia. category_list lists every game category with its count. beginner_tips gives tips for a named game or general getting-started advice. Keyless; fully local; zero upstream calls; nothing stored.

Sources: Hand-curated from widely published, general marbles-game tradition as of build date; fully local, zero upstream calls

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.
Privacy policyTerms

What it can do

8 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Learn a Game3 tools
  • Game rulesFull detail for one marbles game: category, equipment, setup steps, numbered how-to-play steps, how a round is won, common variants, and a short…
  • Category listEvery marbles game category with how many games are in it (Ring Games, Hole & Board Games, Target Games, Chase Games, Pot Games, Casual Games).
  • Find game for groupSuggests 1-4 marbles games that fit a given player count and/or play space, keyword-matched against each game's player range and tagged space…
Glossaries2 tools
  • Marble type glossaryDefinitions of marble-type/material terms — aggie, cat's eye, steelie, peewee, bumboozer, clearie, swirl, cloudy, onionskin, sulphide, corkscrew,…
  • Term glossaryDefinitions of general marbles game terminology (as opposed to marble-type/material terms) — taw, shooter, mib, knuckle down, fudging, span, fen,…
Background & Tips3 tools
  • History noteA short history of marbles as a game: early materials, the rise of handmade and then machine-made glass marbles, and the separate historical roots…
  • Regional traditionA factual note on how marbles is played, named, and organized in one region or country — including India's Kancha/Goli tradition, the UK's Tinsley…
  • Beginner tipsPractical starting tips for a beginner.

Information

PublisherUnify Dynamics LLC
CategoryGames & entertainment
LanguagesEnglish
Built forGlobal
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://marble.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide

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Documentation

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Marble — connector documentation

  • MCP endpoint: https://marble.connectorbay.com/mcp
  • REST API: POST https://marble.connectorbay.com/v1/tools/{tool_name}, described by the OpenAPI 3.1 spec at https://marble.connectorbay.com/openapi.json
  • Transport: Streamable HTTP, stateless, MCP specification 2025-06-18 or later
  • Authentication: none required. An optional Authorization: Bearer <key> raises rate limits.
  • Health: https://marble.connectorbay.com/health · Tool schemas: https://marble.connectorbay.com/tools.json
  • Publisher: Unify Dynamics LLC · connectorbay.com/marble · agent@connectorbay.com

What Marble is for

A hand-curated marbles reference — rules, marble types, terminology and traditions worldwide.

What it does

Marble is a fully local, hand-curated marbles (the game) reference. game_rules gives one game's full detail: category, equipment, setup, numbered how-to-play steps, how a round is won, variants, and a short origin note, across eight games (Ring Taw/Ringer, Bridgeboard, Nine Holes, Bombies, Long Taw, Increase Pound, Ducks on a Rock, Nearest the Hole). marble_type_glossary defines marble-type/material terms like aggie, cat's eye, steelie and sulphide; term_glossary defines general game terminology like taw, knuckle down, span, fen and lag, kept separate from marble-type terms. find_game_for_group suggests 1-4 games given a player count and/or a plain-language play space. history_note covers marbles' early materials and the rise of handmade then machine-made glass marbles. regional_tradition gives a factual note on how marbles is played in the United Kingdom, United States, Germany, India (as Kancha/Goli), the Netherlands, and Southeast Asia. category_list lists every game category with its count. beginner_tips gives tips for a named game or general getting-started advice. Keyless; fully local; zero upstream calls; nothing stored.

What it is not

Not an official product of, or affiliated with, any brand, league, publisher, or organization it may factually mention. Marble is a hand-curated reference and design tool, not a substitute for an official rulebook, certified instruction, or professional advice. Fully local, zero upstream calls, nothing stored.

Tools

Learn a Game

game_rules — Full detail for one marbles game: category, equipment, setup steps, numbered how-to-play steps, how a round is won, common variants, and a short origin note. Use for "how do you play Ringer", "what are the rules of Nine Holes". Args: name.

category_list — Every marbles game category with how many games are in it (Ring Games, Hole & Board Games, Target Games, Chase Games, Pot Games, Casual Games). Use for "what kinds of marbles games do you cover".

find_game_for_group — Suggests 1-4 marbles games that fit a given player count and/or play space, keyword-matched against each game's player range and tagged space requirements. Use for "what marbles game works for 3 kids indoors", "we have a big backyard and 6 players, what should we play". Args: player_count, space.

Glossaries

marble_type_glossary — Definitions of marble-type/material terms — aggie, cat's eye, steelie, peewee, bumboozer, clearie, swirl, cloudy, onionskin, sulphide, corkscrew, mica, Bennington, commoney, immie. Use for "what's a cat's eye marble", "what does aggie mean", "what marble types are there". Args: term.

term_glossary — Definitions of general marbles game terminology (as opposed to marble-type/material terms) — taw, shooter, mib, knuckle down, fudging, span, fen, lag, for keeps, friendlies, pound, ducks, baseline, and more. Use for "what does knuckle down mean", "what's a taw", "what does fen mean in marbles". Args: term.

Background & Tips

history_note — A short history of marbles as a game: early materials, the rise of handmade and then machine-made glass marbles, and the separate historical roots of ring-and-taw versus hole-and-course games. Use for "how did marbles start", "history of marbles", "when were glass marbles invented".

regional_tradition — A factual note on how marbles is played, named, and organized in one region or country — including India's Kancha/Goli tradition, the UK's Tinsley Green tournament, the US National Marbles Tournament, Germany's glassmaking history, the Netherlands' knikkeren tradition, and Southeast Asia's local names. Use for "how is marbles played in India", "marbles tradition in the Netherlands". Args: region.

beginner_tips — Practical starting tips for a beginner. Given a game name, returns tips specific to that game; with no name, returns general getting-started tips that apply across marbles games. Use for "tips for playing Ringer", "how do I get started with marbles". Args: name.

Conventions

  • Read-only. Every tool reads public data or computes; nothing is written anywhere and nothing about the user is stored.
  • Result envelope. ok: true with data, or ok: false with a structured error (bad_input, not_found, upstream_error). degraded lists optional sources that were unreachable.
  • Rate limits. Free tier 60 tool calls/minute and 300/day per user (keyed on the user identifier supplied by the host agent, else client IP); Pro keys raise this. Over-limit calls return HTTP 429 with Retry-After. initialize and tools/list are never counted.

Support

agent@connectorbay.com · connectorbay.com/marble/support

Privacy policy

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Marble — Privacy Policy

Effective 25 September 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What Marble is. Marble is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf for a hand-curated marbles reference — rules, marble types, terminology and traditions worldwide. You interact with your assistant; the assistant sends us only the arguments needed for that one lookup.

What we receive. The arguments of each tool call, the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant, and a Pro API key if you have one), and standard server logs.

Everything is answered from a bundled, hand-curated reference file and nothing is stored. No request is forwarded to any third party — there is no upstream call at all, live or otherwise — and no query is logged in request bodies, recorded, or used to train anything.

What we do not receive or store. We do not receive your conversation with the assistant or your name, and we do not build a profile from your queries: each request is answered independently and nothing carries over between requests. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting-provider access logs, which contain IP addresses and request paths but not request bodies, are retained for up to 30 days for security and abuse prevention.

Sub-processors. None — the entire dataset is bundled with the server and answered locally. Hosting: Vercel (United States regions).

Legal bases and your rights. Our processing is necessary to provide the service you request through your assistant. Because we store no personal data beyond short-lived logs, requests to access, correct or delete personal data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. We do not sell or share personal information and do not use your data to train models.

Children. Marble is a general-audience service operated by the adult using the assistant.

Changes. We will post changes here with a new effective date.

Terms of service

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Marble — Terms of Service

Effective 25 September 2026. These terms govern use of the Marble connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. Marble is a fully local, hand-curated marbles (the game) reference.
  2. A reference, not professional advice. Marble is an independent reference and hobby/game-design tool, not affiliated with or endorsed by any brand, organization, league, or publisher it may factually mention. It does not provide legal, financial, medical, or safety-certification advice, and is not a substitute for supervised instruction where real physical risk is involved.
  3. Content varies. Rules, terminology and conventions described here reflect commonly-cited general practice; local house rules, regional variants, and official governing-body rulebooks may differ.
  4. Acceptable use. Automated use within the published rate limits is welcome.
  5. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time.
  6. Data. Our Privacy Policy describes what we process. In short: your query is answered from a bundled reference file, and nothing is stored.
  7. Pro keys. Optional Pro API keys are issued at our discretion, are personal to the holder and may be revoked for abuse.
  8. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any loss arising from use of or reliance on the Service. Our total liability is limited to US $100.
  9. Governing law. California law; venue in San Mateo County, California.
  10. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/marble

Support

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Marble support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. Marble never asks for them.

Get Marble

Free · No sign-in · Read-only

Streamable HTTP, stateless, no authentication. Paste the endpoint into any MCP-capable agent.

https://marble.connectorbay.com/mcp
{
  "mcpServers": {
    "marble": {
      "type": "http",
      "url": "https://marble.connectorbay.com/mcp"
    }
  }
}