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AgentUtility Creature Stat Block Generator
x402
AgentUtility Creature Stat Block Generator is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Generates original 5e-compatible stat blocks (AC, HP, ability scores, CR, traits, actions) for any creature from any fiction, myth, game, or real-world source.
Price / call$0.01
Success—
StatusUnknown
How this service works
Turns any creature from any world, book, film, game, myth, or song into an original, playable 5e-style stat block. Returns AC, HP, ability scores, challenge rating, traits, and actions as original game statistics (not a copied published block). Optionally target a challenge rating. Bridges the bestiary and rollforge clusters. Use it as a creature stat block generator API or a source of homebrew monster stats for any being.
Output
Returns a complete original 5e-style stat block including Armor Class, Hit Points, speed, all six ability scores with modifiers, challenge rating, saving throws, skills, damage immunities/resistances, senses, special traits, and actions — all generated as original game statistics for the specified creature.
Example use cases
Homebrew villain for D&D campaign
“I'm running a D&D campaign set in a sci-fi crossover and I need a stat block for the T-800 Terminator from the movie — make it CR 12 and give it appropriate traits and actions for 5e.”
Mythology creature for one-shot
“I want to run a Greek mythology one-shot and need a playable 5e stat block for Medusa — the actual mythological one, not the D&D book version. Target it around CR 7.”
Book character as encounter boss
“Can you turn the White Witch from Narnia into a 5e boss encounter? I need full stats, ability scores, traits, and actions — make her CR 15.”
Technical details
Endpoint
POSThttps://x402.agentutility.ai/creature-statblockWhen to prefer
Choose this endpoint when you need an original, ready-to-play 5e stat block for any creature that doesn't exist in official D&D sourcebooks — especially creatures from films, novels, games, myths, or songs. Ideal for game masters building homebrew encounters, worldbuilders wanting mechanical representations, or agents automating TTRPG content generation. Prefer this over manual stat block creation or generic AI prompts when you need structured, consistently formatted game statistics with all required 5e fields.
Side effects
- Overly vague creature names (e.g. 'a dragon') may produce generic results
- Very obscure or extremely niche sources may produce lower-fidelity stat blocks
- Challenge rating targets far outside the creature's thematic power level may produce inconsistent results
- Payment failure via x402 protocol returns 402 error with no stat block
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"query": "Balrog",
"stat_block": {
"name": "Balrog",
"size": "Huge",
"type": "fiend",
"hit_points": 262,
"armor_class": 19,
"challenge_rating": "19"
}
}
}Tags
x402
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