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Dungeon

A hand-curated, system-agnostic tabletop RPG reference — real dice math, mechanics, GM advice and terms

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.

What does 3d6+2 mean and what can it roll?
Tools called
dice_notation_explainer
What's the average of 4d6 keeping the highest 3?
Tools called
dice_notation_explainer
What's armor class?
Tools called
mechanic_concept
What categories of RPG mechanics do you cover?
Tools called
category_list
How do I pace a game session better?
Tools called
gm_advice
What does 'railroading' mean in tabletop RPGs?
Tools called
term_glossary
What's a 'tank' character archetype?
Tools called
character_concept_explainer
What kind of system should a new group try if we want something rules-light?
Tools called
find_system_type_for_group
Give me tips for my first session as a new GM.
Tools called
beginner_tips

About

Dungeon is a fully local, hand-curated, original, system-agnostic tabletop RPG reference. dice_notation_explainer does real dice math: parses notation like 3d6+2, 1d20, 4d6kh3 (keep highest 3 of 4), or a success-counting pool like 6d10>=7, and computes genuine min/max/average statistics, exactly wherever tractable. mechanic_concept explains one of 33 generic mechanics (ability scores, hit points, armor class, dice pools, advantage/disadvantage, initiative, experience points, and more) in system-agnostic terms. gm_advice gives practical game-master technique across 16 topics (pacing, improvisation, session prep, running combat, handling rules disputes, and more). term_glossary defines 35 common cross-system RPG terms (GM/DM, NPC, one-shot, homebrew, railroading, sandbox play, TPK, rules-lite vs crunchy, and more). character_concept_explainer explains one of 10 generic character archetypes (tank, striker, healer, face, skill monkey, caster, scout, leader, generalist, trickster) that recur across many systems under different names. find_system_type_for_group suggests generic system types (crunchy/tactical, rules-light, narrative-focused, OSR-style, dice-pool, point-buy, universal) matching a group's stated taste, with real game names referenced only as factual examples, never reproduced content. category_list lists every mechanic-concept category with its count. beginner_tips gives a ranked shortlist of practical starting advice. Keyless; fully local; zero upstream calls; nothing stored.

Sources: Original, hand-written, system-agnostic tabletop RPG reference content 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
Dice Math1 tools
  • Dice notation explainerParses real dice notation ("XdY+Z" sums, "kh"/"kl"/"dh"/"dl" keep-or-drop modifiers, or a ">=" style success-counting dice pool) and computes…
Mechanics & Terms3 tools
  • Mechanic conceptExplains one generic, system-agnostic tabletop RPG mechanic concept: what it is, why it exists, and how it's typically used, plus related concepts.
  • Term glossaryDefines common tabletop RPG terminology used across many different systems: GM/DM, PC, NPC, one-shot, homebrew, house rule, min-maxing,…
  • Category listEvery mechanic-concept category with how many concepts are in it (Core Resolution & Randomness, Character Building, Combat & Conflict, Progression…
Play & GMing2 tools
  • Gm advicePractical game-master advice on a topic: a summary, concrete tips, and common pitfalls to avoid.
  • Beginner tipsA ranked shortlist of practical starting tips for people new to tabletop RPGs, covering both players and new game masters, ordered from most to…
Characters & Systems2 tools
  • Character concept explainerExplains one generic character role/archetype that recurs across many different tabletop systems under different names: tank/defender,…
  • Find system type for groupSuggests 1-3 generic tabletop RPG system TYPES (crunchy/tactical, rules-light, narrative-focused, old-school revival, dice-pool,…

Information

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

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Documentation

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Dungeon — connector documentation

  • MCP endpoint: https://dungeon.connectorbay.com/mcp
  • REST API: POST https://dungeon.connectorbay.com/v1/tools/{tool_name}, described by the OpenAPI 3.1 spec at https://dungeon.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://dungeon.connectorbay.com/health · Tool schemas: https://dungeon.connectorbay.com/tools.json
  • Publisher: Unify Dynamics LLC · connectorbay.com/dungeon · agent@connectorbay.com

What Dungeon is for

A hand-curated, system-agnostic tabletop RPG reference — real dice math, mechanics, GM advice and terms.

What it does

Dungeon is a fully local, hand-curated, original, system-agnostic tabletop RPG reference. dice_notation_explainer does real dice math: parses notation like 3d6+2, 1d20, 4d6kh3 (keep highest 3 of 4), or a success-counting pool like 6d10>=7, and computes genuine min/max/average statistics, exactly wherever tractable. mechanic_concept explains one of 33 generic mechanics (ability scores, hit points, armor class, dice pools, advantage/disadvantage, initiative, experience points, and more) in system-agnostic terms. gm_advice gives practical game-master technique across 16 topics (pacing, improvisation, session prep, running combat, handling rules disputes, and more). term_glossary defines 35 common cross-system RPG terms (GM/DM, NPC, one-shot, homebrew, railroading, sandbox play, TPK, rules-lite vs crunchy, and more). character_concept_explainer explains one of 10 generic character archetypes (tank, striker, healer, face, skill monkey, caster, scout, leader, generalist, trickster) that recur across many systems under different names. find_system_type_for_group suggests generic system types (crunchy/tactical, rules-light, narrative-focused, OSR-style, dice-pool, point-buy, universal) matching a group's stated taste, with real game names referenced only as factual examples, never reproduced content. category_list lists every mechanic-concept category with its count. beginner_tips gives a ranked shortlist of practical starting 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. Dungeon 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

Dice Math

dice_notation_explainer — Parses real dice notation ("XdY+Z" sums, "kh"/"kl"/"dh"/"dl" keep-or-drop modifiers, or a ">=" style success-counting dice pool) and computes genuine min/max/average statistics — actual dice math, not a lookup table. Use for "explain 3d6+2", "what's the average of 4d6 keep highest 3", "what can 6d10>=7 roll". Args: notation.

Mechanics & Terms

mechanic_concept — Explains one generic, system-agnostic tabletop RPG mechanic concept: what it is, why it exists, and how it's typically used, plus related concepts. Covers 30+ concepts across resolution/randomness, character building, combat, progression and narrative play. Use for "what's armor class", "explain advantage and disadvantage", "what's a dice pool". Args: name.

term_glossary — Defines common tabletop RPG terminology used across many different systems: GM/DM, PC, NPC, one-shot, homebrew, house rule, min-maxing, meta-gaming, railroading, sandbox play, theater of the mind, TPK, rules-lite, crunchy, retcon, safety tools, and more. Omit term to list every defined term. Use for "what does railroading mean", "what's a TPK", "what's the difference between rules-lite and crunchy". Args: term.

category_list — Every mechanic-concept category with how many concepts are in it (Core Resolution & Randomness, Character Building, Combat & Conflict, Progression & Rewards, Narrative & Group Play). Use for "what categories of RPG mechanics do you cover".

Play & GMing

gm_advice — Practical game-master advice on a topic: a summary, concrete tips, and common pitfalls to avoid. Covers session zero, pacing, improvisation, session prep, running combat, spotlight balance, rules disputes, failing forward, worldbuilding, player absence, ending sessions, reading the table, new-GM confidence, NPC motivation, table dynamics, and note-taking. Use for "how do I pace a session", "tips for improvising", "how do I run combat faster". Args: topic.

beginner_tips — A ranked shortlist of practical starting tips for people new to tabletop RPGs, covering both players and new game masters, ordered from most to least essential. Use for "tips for my first session", "advice for a new GM", "what should a beginner player know". Args: count.

Characters & Systems

character_concept_explainer — Explains one generic character role/archetype that recurs across many different tabletop systems under different names: tank/defender, striker/damage dealer, healer/support, face/social character, skill monkey/utility expert, caster, scout/stealth, leader/commander, generalist, and trickster/wildcard. Includes typical traits, strengths, weaknesses and a play tip. Use for "what's a tank archetype", "how do I play a face character", "what's the difference between a striker and a tank". Args: name.

find_system_type_for_group — Suggests 1-3 generic tabletop RPG system TYPES (crunchy/tactical, rules-light, narrative-focused, old-school revival, dice-pool, point-buy/build-focused, universal/generic) matching a group's stated taste, each with what it's good for and typical traits. Real system names are referenced only as factual, illustrative examples, never reproduced content. Use for "what kind of system should a new group play", "we want something crunchy and tactical", "suggest a system for improv-heavy roleplay". Args: preference.

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/dungeon/support

Privacy policy

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Dungeon — Privacy Policy

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

What Dungeon is. Dungeon is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf for a hand-curated, system-agnostic tabletop RPG reference — real dice math, mechanics, GM advice and terms. 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. Dungeon 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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Dungeon — Terms of Service

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

  1. The Service. Dungeon is a fully local, hand-curated, original, system-agnostic tabletop RPG reference.
  2. A reference, not professional advice. Dungeon 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/dungeon

Support

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Dungeon 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. Dungeon never asks for them.

Get Dungeon

Free · No sign-in · Read-only

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

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