{"openapi":"3.1.0","info":{"title":"Muse plays Minecraft: bot control","version":"0.1.0","description":"Drive a Minecraft bot through 10 fixed skills. Start a session, then call one skill at a time and read the state. Arguments are checked against fixed lists; nothing you send is run as code. A research demo by Picasso Lab, UC San Diego. Not affiliated with or endorsed by Meta, Mojang or Microsoft. Adults (18+) only."},"servers":[{"url":"https://play.picasso-lab.com"}],"tags":[{"name":"session","description":"start, read, stop, end"},{"name":"tools","description":"the 10 skills"}],"paths":{"/api/session":{"post":{"operationId":"start_session","tags":["session"],"summary":"Get a bot of your own for one lease","description":"Starts a 30-minute session with its own bot. Adults only: send {\"adult\": true} to confirm you are 18 or older.","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"adult":{"type":"boolean","const":true,"description":"I am 18 or older"}},"required":["adult"],"additionalProperties":false}}}},"responses":{"201":{"description":"session started (the bot joins within seconds)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Session"}}}},"400":{"description":"not confirmed 18+","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"429":{"description":"too many sessions from this address","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"503":{"description":"every bot is in use","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}":{"delete":{"operationId":"end_session","tags":["session"],"summary":"End the session early and free the bot","parameters":[{"name":"token","in":"path","required":true,"description":"the session token returned by start_session","schema":{"type":"string","pattern":"^[A-Za-z0-9_-]{32}$"}}],"responses":{"200":{"description":"ended","content":{"application/json":{"schema":{"type":"object","properties":{"ended":{"type":"boolean"}}}}}},"404":{"description":"unknown session","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"410":{"description":"already ended","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}/state":{"get":{"operationId":"read_state","tags":["session"],"summary":"Read the game state, the running action and the last result","parameters":[{"name":"token","in":"path","required":true,"description":"the session token returned by start_session","schema":{"type":"string","pattern":"^[A-Za-z0-9_-]{32}$"}}],"responses":{"200":{"description":"state","content":{"application/json":{"schema":{"$ref":"#/components/schemas/State"}}}},"404":{"description":"unknown session","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"410":{"description":"session ended","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}/stop":{"post":{"operationId":"stop","tags":["session"],"summary":"Stop the running action (the bot stays)","parameters":[{"name":"token","in":"path","required":true,"description":"the session token returned by start_session","schema":{"type":"string","pattern":"^[A-Za-z0-9_-]{32}$"}}],"responses":{"200":{"description":"stopped","content":{"application/json":{"schema":{"type":"object","properties":{"stopped":{"type":"boolean"}}}}}},"404":{"description":"unknown session","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"410":{"description":"session ended","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}/get_state":{"post":{"operationId":"get_state","tags":["tools"],"summary":"Read your state as text: health, food, position, time of day, inventory, nearby blocks and mobs, current goal and the last result","description":"Read your state as text: health, food, position, time of day, inventory, nearby blocks and mobs, current goal and the last result. 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One action at a time: the call waits up to about 25 s for the result, otherwise it answers 202 and the result appears in read_state.","parameters":[{"name":"token","in":"path","required":true,"description":"the session token returned by start_session","schema":{"type":"string","pattern":"^[A-Za-z0-9_-]{32}$"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"blueprint":{"type":"string","description":"what to build","enum":["hut_3x3","shelter","wall_5x2","platform_3x3"]},"material":{"type":"string","description":"block to build with (must be in your inventory)","enum":["oak_planks","spruce_planks","birch_planks","jungle_planks","acacia_planks","dark_oak_planks","mangrove_planks","cherry_planks","cobblestone","stone","stone_bricks","cobbled_deepslate","dirt","oak_log"]}},"required":["blueprint","material"],"additionalProperties":false}}}},"responses":{"200":{"description":"the action finished (ok may still be false, with the reason in result)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ActionResult"}}}},"202":{"description":"still running; poll read_state","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Running"}}}},"400":{"description":"arguments not allowed","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"unknown session","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"409":{"description":"another action is running","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"410":{"description":"session ended","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"503":{"description":"the bot is still joining","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}/attack":{"post":{"operationId":"attack","tags":["tools"],"summary":"Fight one mob of this kind (the closest within 16 blocks) until it dies or gets away","description":"Fight one mob of this kind (the closest within 16 blocks) until it dies or gets away. nearest_hostile picks the closest hostile mob. Never players. One action at a time: the call waits up to about 25 s for the result, otherwise it answers 202 and the result appears in read_state.","parameters":[{"name":"token","in":"path","required":true,"description":"the session token returned by start_session","schema":{"type":"string","pattern":"^[A-Za-z0-9_-]{32}$"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"target":{"type":"string","description":"mob to fight","enum":["nearest_hostile","zombie","husk","drowned","skeleton","stray","spider","cave_spider","creeper","slime","witch","cow","pig","sheep","chicken","rabbit"]}},"required":["target"],"additionalProperties":false}}}},"responses":{"200":{"description":"the action finished (ok may still be false, with the reason in result)","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ActionResult"}}}},"202":{"description":"still running; poll read_state","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Running"}}}},"400":{"description":"arguments not allowed","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"unknown session","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"409":{"description":"another action is running","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"410":{"description":"session ended","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"503":{"description":"the bot is still joining","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}},"/api/{token}/eat":{"post":{"operationId":"eat","tags":["tools"],"summary":"Eat the best food in your inventory","description":"Eat the best food in your inventory. 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