Playground

What should the character do next?

What should the character do next? When health is low it drinks a potion to stay alive; when health is high it attacks.

Request

state

application/json

{  "npc": "Border guard",  "hp": "12%",  "enemies": 3,  "inventory": {    "healing_potion": 1  },  "terrain": "narrow bridge",  "ally_nearby": false}

Results

Sample data

Compare two examples

These two examples differ by one detail. The result changes with them.

What changedLow health → high health

These results are sample data, not a live model run. Sign in to try them with your own content.

actionchoice

potion · Drink a potion

Confidence per option

Attack

Drink a potion

58%

Flee

24%

Ask for a truce

Taunt

Copy the code

Set SYSTEM_ONE_API_KEY. The snippet uses a published catalog model id.

Request JSON

application/json

1{"model":"decider-v1.1","state":{"npc":"Border guard","hp":"12%","enemies":3,"inventory":{"healing_potion":1},"terrain":"narrow bridge","ally_nearby":false},"questions":{"action":{"type":"choice","instructions":"Choose the NPC's next action given the game state.","criteria":{"attack":"Attack","potion":"Drink a potion","flee":"Flee","parley":"Ask for a truce","taunt":"Taunt"}}}}

cURL · POST /v1/systemone

1curl "https://system-one.dev/v1/systemone" \2  -H "Authorization: Bearer $SYSTEM_ONE_API_KEY" \3  -H 'Content-Type: application/json' \4  -H 'Idempotency-Key: saved-operation-id' \5  --data '{"model":"decider-v1.1","state":{"npc":"Border guard","hp":"12%","enemies":3,"inventory":{"healing_potion":1},"terrain":"narrow bridge","ally_nearby":false},"questions":{"action":{"type":"choice","instructions":"Choose the NPC'\''s next action given the game state.","criteria":{"attack":"Attack","potion":"Drink a potion","flee":"Flee","parley":"Ask for a truce","taunt":"Taunt"}}}}'

TypeScript

1// npm install @system-one-ai/core@0.6.0 @system-one-ai/transport-fetch@0.6.0 @system-one-ai/adapter-system-one@0.6.02import { createSystemOne, choice, score, booleanQuestion } from '@system-one-ai/core';3import { systemOneAdapter } from '@system-one-ai/adapter-system-one';4import { createFetchTransport } from '@system-one-ai/transport-fetch';56const client = createSystemOne({7  baseURL: "https://system-one.dev/v1",8  apiKey: process.env.SYSTEM_ONE_API_KEY!,9  model: "decider-v1.1",10  adapter: systemOneAdapter,11  transport: createFetchTransport(),12  timeoutMs: 30_000,13  maxRetries: 0,14});1516const result = await client.evaluate({17  state: {18    "npc": "Border guard",19    "hp": "12%",20    "enemies": 3,21    "inventory": {22      "healing_potion": 123    },24    "terrain": "narrow bridge",25    "ally_nearby": false26  },27  questions: {28  action: choice("Choose the NPC's next action given the game state.", {29    attack: "Attack",30    potion: "Drink a potion",31    flee: "Flee",32    parley: "Ask for a truce",33    taunt: "Taunt",34  }),35  },36}, { headers: { 'Idempotency-Key': crypto.randomUUID() } });3738result.answers.action.choice39result.response.requestId;