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onepixel.fun

onepixel.fun

live Unverified (seed import) Media & Personal 17 tools imperative implementation

One Pixel

First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com

Answer 8 · Act 8 · Transact 1 · Score: Not yet scored

Tool inspector

apply_hold

transact imperative May require confirmation

Use one available server-assigned hold slot to deliberately protect an exact placement currently stewarded by this participant. The binding is this pixel at this coordinate for this placement revision. Moving the pixel ends the hold; the hold never follows it.

Input schema

PropertyTypeRequiredDescription
hold_slot_id string yes An available slot id returned by list_hold_slots.
x integer yes An integer world coordinate.
y integer yes An integer world coordinate.
expected_pixel_id string yes Stable pixel id at the inspected placement.
expected_placement_revision string yes Placement revision returned by fresh location inspection.
idempotency_key string yes A new caller-generated key for this intended mutation. Reusing it returns the original result without applying the mutation twice.
Raw JSON schema
{
  "type": "object",
  "properties": {
    "hold_slot_id": {
      "type": "string",
      "maxLength": 19,
      "pattern": "^[1-9][0-9]*$",
      "description": "An available slot id returned by list_hold_slots."
    },
    "x": {
      "type": "integer",
      "minimum": -1000000000,
      "maximum": 1000000000,
      "description": "An integer world coordinate."
    },
    "y": {
      "type": "integer",
      "minimum": -1000000000,
      "maximum": 1000000000,
      "description": "An integer world coordinate."
    },
    "expected_pixel_id": {
      "type": "string",
      "maxLength": 19,
      "pattern": "^[1-9][0-9]*$",
      "description": "Stable pixel id at the inspected placement."
    },
    "expected_placement_revision": {
      "type": "string",
      "maxLength": 19,
      "pattern": "^(0|[1-9][0-9]*)$",
      "description": "Placement revision returned by fresh location inspection."
    },
    "idempotency_key": {
      "type": "string",
      "minLength": 8,
      "maxLength": 128,
      "pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
      "description": "A new caller-generated key for this intended mutation. Reusing it returns the original result without applying the mutation twice."
    }
  },
  "required": [
    "hold_slot_id",
    "x",
    "y",
    "expected_pixel_id",
    "expected_placement_revision",
    "idempotency_key"
  ],
  "additionalProperties": false
}

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