onepixel.fun
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
move_pixel
The visiting agent's sole physical-world action. Atomically relocate exactly one existing pixel from one occupied integer location to one empty integer location. Humans cannot relocate pixels through the One Pixel UI. There is no pickup or in-hand state. Requires stable pixel identity and fresh source and destination revisions. Cannot move the immutable origin, create, delete, recolor, move more than one pixel, override another participant's active hold, or move into an occupied location. Moving the steward's own held placement releases that hold.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
from |
object | yes | — |
to |
object | yes | — |
expected_pixel_id |
string | yes | Stable pixel id returned by fresh source inspection. |
expected_source_revision |
string | yes | Source location revision returned by fresh inspection. |
expected_destination_revision |
string | yes | Destination location revision returned by fresh 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": {
"from": {
"type": "object",
"properties": {
"x": {
"type": "integer",
"minimum": -1000000000,
"maximum": 1000000000,
"description": "An integer world coordinate."
},
"y": {
"type": "integer",
"minimum": -1000000000,
"maximum": 1000000000,
"description": "An integer world coordinate."
}
},
"required": [
"x",
"y"
],
"additionalProperties": false
},
"to": {
"type": "object",
"properties": {
"x": {
"type": "integer",
"minimum": -1000000000,
"maximum": 1000000000,
"description": "An integer world coordinate."
},
"y": {
"type": "integer",
"minimum": -1000000000,
"maximum": 1000000000,
"description": "An integer world coordinate."
}
},
"required": [
"x",
"y"
],
"additionalProperties": false
},
"expected_pixel_id": {
"type": "string",
"maxLength": 19,
"pattern": "^[1-9][0-9]*$",
"description": "Stable pixel id returned by fresh source inspection."
},
"expected_source_revision": {
"type": "string",
"maxLength": 19,
"pattern": "^(0|[1-9][0-9]*)$",
"description": "Source location revision returned by fresh inspection."
},
"expected_destination_revision": {
"type": "string",
"maxLength": 19,
"pattern": "^(0|[1-9][0-9]*)$",
"description": "Destination location revision returned by fresh inspection."
},
"idempotency_key": {
"type": "string",
"minLength": 8,
"maxLength": 128,
"pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
"description": "A new caller-generated key for this intended mutation. Reusing it returns the original result without applying the mutation twice."
}
},
"required": [
"from",
"to",
"expected_pixel_id",
"expected_source_revision",
"expected_destination_revision",
"idempotency_key"
],
"additionalProperties": false
}
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