{"name":"monster-lookup","description":"Looks up a D&D 5e monster by name and returns a compact SRD stat block. Includes size, type, alignment, AC, HP, hit dice, speed, ability scores, challenge rating, and actions; or list monsters filtered by challenge rating and/or type. SRD content only (OGL 1.0a / CC-BY-4.0). Use it as a monster lookup API, SRD monster stat block source, or bestiary search.","price":"$0.003","method":"POST","input_schema":{"properties":{"name":{"type":"string","description":"Monster name for a full stat block, e.g. 'Goblin'."},"challenge_rating":{"type":"string","description":"Filter list by CR: 0, 1/8, 1/4, 1/2, or an integer 1-30."},"type":{"type":"string","description":"Filter list by creature type, e.g. Dragon, Undead, Beast."},"limit":{"type":"number","description":"Max results when listing, 1-40. Default 20."}},"required":[]},"input_example":{"name":"Goblin"},"output_example":{"monster":{"name":"Goblin","size":"Small","type":"Humanoid","armor_class":15,"hit_points":7,"challenge_rating":"1/4","abilities":{"STR":8,"DEX":14,"CON":10,"INT":10,"WIS":8,"CHA":8}}},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}