gregario/dnd-oracle

D&D 5e SRD MCP server — monster search, spell lookup, encounter building, and character tools powered by ground-truth SRD data.

What It Does

Search, browse, and analyze D&D 5e System Reference Document content — no internet required, no hallucination risk. All 20 tools operate on ground-truth SRD data bundled as a SQLite database.

1,207 entities: 334 monsters, 319 spells, 237 equipment items, 239 magic items, 12 classes, 9 races, 15 conditions, 33 rule sections, 9 rollable tables.

Tools

Reference (6)

Tool	Description
search_monsters	Full-text search with CR, type, size, alignment filters. Returns full stat blocks.
search_spells	Search by level, school, class, concentration, ritual, damage type, save type.
search_equipment	Search weapons, armor, gear, and magic items. Filter by properties, rarity.
browse_classes	View class features at any level. Multiclass feature combination calculator.
browse_races	View race traits, ability bonuses, subraces.
search_rules	Search rules text and condition references.

Analytical (14)

Tool	Description
build_encounter	Calculate XP budgets by difficulty. Suggests monster combinations within budget.
suggest_encounter	Tactically interesting encounters with monster role inference and synergy notes.
plan_spells	Available spells for class/level. Slot tracking, concentration flags, ritual highlights, component costs.
compare_monsters	Side-by-side stat comparison of 2-3 monsters.
check_resistances	Consolidated resistance/immunity matrix for a group of monsters. Party damage gap warnings.
analyze_loadout	Total weight, cost, AC breakdown, encumbrance status from equipment list.
magic_item_attunement	Attunement slot analysis with over-limit warnings and restriction checks.
build_character	Full character sheet from race + class + level + ability scores. HP, saves, DC, features.
analyze_party	Party composition audit: saving throw coverage, role balance, darkvision, languages.
simulate_damage	Average DPR calculator with hit probability, crit math, AC sensitivity, turns-to-kill.
rest_calculator	What recovers on short vs. long rest for any class at any level.
travel_calculator	Overland travel time with pace, terrain, mounts, and forced march rules.
plan_adventuring_day	Daily XP budget, encounter sequencing, resource pacing, rest placement.
roll_table	Roll on SRD random tables: madness, poisons, diseases, Acolyte personality traits.

Install

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "dnd-oracle": {
      "command": "npx",
      "args": ["-y", "dnd-oracle"]
    }
  }
}

Claude Code

claude mcp add dnd-oracle -- npx -y dnd-oracle

Data Source

This product includes material from the System Reference Document 5.1, Copyright 2016, Wizards of the Coast, Inc. Licensed under CC-BY-4.0.

Data sourced from 5e-bits/5e-database.

License

MIT