← The evidence ledger
Evidence row 582191
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 3e7092e5-28ef-465b-ac10-2acf06424f6a
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 90cde560c47393ed67af48da0eadb1751ddad25371a508b1840dbebe456764a0
- Leaf
- 0xf2323228492e438b4f7811ff17c32d73fac20cf86496509105232d4932d647de
What was observed
{
"count": 14,
"tools": [
{
"description": "Delete a scheduled event. If it is running, it ends in running rooms within ~15 seconds (its config overrides drop away; server logic gets onLiveOps with it in change.ended). To end it early but keep it listed, schedule the same id again with endsAt set to the current time.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"id": {
"description": "The event id (see get_live_ops).",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"name": "cancel_live_event"
},
{
"description": "This connection has no account: it builds into an unclaimed studio. Returns the claim link to give the user (a free sign-up or log-in that moves the studio's games into their own account), when the studio expires, and whether it has been claimed already. connect_account is the better way to keep the games when the user is here (this session then keeps working as their account); the claim link is for later, or for someone else.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {},
"type": "object"
},
"name": "claim_studio"
},
{
"description": "Connect this keyless session to the user's own account, the way `gh auth login` works. Ask for their email first and pass it (it prefills the page). Returns a one-time url and a code: open the url in their browser yourself and tell them the code. They sign up or log in ON THE PAGE (never ask for a password in chat), check the code matches, and press Connect. From then on this session acts as their account and the games built so far move in. The link lasts 10 minutes.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"email": {
"description": "The user's email, to prefill the sign-in page.",
"maxLength": 254,
"type": "string"
}
},
"type": "object"
},
"name": "connect_account"
},
{
"description": "Mint a new game (publishable key) under your studio (secret key). Returns its publishableKey + wsEndpoint. Point a client at the new key, or scope this MCP to it by passing the x-mp-game header.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"label": {
"description": "A human label for the game, e.g. 'N0RT arena'.",
"type": "string"
}
},
"type": "object"
},
"name": "create_game"
},
{
"description": "Create or replace the spec for a room (validation/types/defaults). Returns connection info. Omit fields entirely for a fully schemaless room.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"roomName": {
"description": "Unique room name under your key, e.g. 'dots-arena'.",
"type": "string"
},
"spec": {
"description": "The room schema: name, optional maxClients, entities.players.fields, shared.fields.",
"properties": {
"entities": {
"additionalProperties": {
"properties": {
"fields": {
"additionalProperties": {
"anyOf": [
{
"enum": [
"string",
"number",
"boolean"
],
"type": "string"
},
{
"properties": {
"default": {
"anyOf": [
{
"type": "string"
},
{
"type": "number"
},
{
"type": "boolean"
}
]
},
"type": {
"enum": [
"string",
"number",
"boolean"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
]
},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"keyedBy": {
"const": "sessionId",
"type": "string"
}
},
"required": [
"fields"
],
"type": "object"
},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"maxClients": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"name": {
"type": "string"
},
"shared": {
"properties": {
"fields": {
"additionalProperties": {
"anyOf": [
{
"enum": [
"string",
"number",
"boolean"
],
"type": "string"
},
{
"properties": {
"default": {
"anyOf": [
{
"type": "string"
},
{
"type": "number"
},
{
"type": "boolean"
}
]
},
"type": {
"enum": [
"string",
"number",
"boolean"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
]
},
"propertyNames": {
"type": "string"
},
"type": "object"
}
},
"required": [
"fields"
],
"type": "object"
}
},
"required": [
"name"
],
"type": "object"
}
},
"required": [
"roomName",
"spec"
],
"type": "object"
},
"name": "define_room_type"
},
{
"description": "Returns a complete single-file HTML game wired to this room: realtime movement plus an anonymous (claimable) player, a saved color (datastore), and a click leaderboard. Write it to disk and open it. The game it is wired to is stamped in a comment at the top of the file.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"roomName": {
"description": "The room name.",
"type": "string"
}
},
"required": [
"roomName"
],
"type": "object"
},
"name": "get_client_snippet"
},
{
"description": "Returns { wsEndpoint, roomName, publishableKey, adsPublisherId } for wiring a client. adsPublisherId is your BYO Google Ads id (embed it if set). Check the returned `target` names the game you meant before shipping the key.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"roomName": {
"description": "The room name.",
"type": "string"
}
},
"required": [
"roomName"
],
"type": "object"
},
"name": "get_connection_info"
},
{
"description": "Read a game's live ops: `now` (what players see right now: the merged config plus active and upcoming events), the base config, every scheduled event with its status (active / upcoming / ended), the highlight webhook (masked) and the 20 latest highlights with how each was delivered. Pass `at` to preview another instant (e.g. the middle of a weekend event) and `room` to see one room's view. Use it to verify every change you make.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"at": {
"description": "ISO-8601 instant to preview (default now).",
"type": "string"
},
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"room": {
"description": "Resolve for this room (events limited to other rooms drop out). Default: game-wide.",
"type": "string"
}
},
"type": "object"
},
"name": "get_live_ops"
},
{
"description": "Returns the full SDK reference (markdown) wired to ONE game's key/endpoints: realtime rooms, player identity (anonymous + claim/login), the datastore (saves/stats/inventory), leaderboards, player-created content (level sharing / UGC), durable shared MATCHES for asynchronous turn-based play, and live ops (live config, scheduled events, highlights). Read this before writing client code that uses logins, saved progress, leaderboards, shared player-made content, or any game a player closes and comes back to. Pass `game` when the studio has more than one: every snippet carries that game's publishable key inline, and shipping the wrong one silently pools your players into another game.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
}
},
"type": "object"
},
"name": "get_sdk_reference"
},
{
"description": "List the games (publishable keys) under your studio, with labels and per-game settings. Marks which game is `primary` (the one unnamed calls fall back to) and which one this connection is currently pointed at.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {},
"type": "object"
},
"name": "list_games"
},
{
"description": "Host the game's files at a public share link, https://<slug>.play.multiplayeragent.com/ (the game's own origin; the slug comes from the game's name and never changes). Send every file the game needs: an index.html at the root plus any JS/CSS/assets, paths relative to it. Text goes as utf8 content; images, audio and other binaries as base64 with encoding: \"base64\". The files must use THIS game's publishable key (it is how the server knows the build belongs to this game; a client wired to another game is refused). Re-run after every change: it replaces the hosted files and the link stays the same. Limits: 100 files, 5 MB in total. Give the user the url: anyone who opens it joins the same rooms. Nothing is listed publicly; only people with the link find it.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"files": {
"description": "Every file of the game, including index.html.",
"items": {
"properties": {
"content": {
"description": "The file's content: the text itself, or base64 when encoding is 'base64'.",
"type": "string"
},
"encoding": {
"description": "'utf8' (default) for text files; 'base64' for binaries.",
"enum": [
"utf8",
"base64"
],
"type": "string"
},
"path": {
"description": "Path relative to the game root, e.g. 'index.html' or 'assets/ship.png'.",
"type": "string"
}
},
"required": [
"path",
"content"
],
"type": "object"
},
"maxItems": 100,
"minItems": 1,
"type": "array"
},
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
}
},
"required": [
"files"
],
"type": "object"
},
"name": "publish_game"
},
{
"description": "Schedule (or, with an existing id, edit) a timed event: a window, optionally repeating daily or weekly, optionally limited to some rooms, carrying config overrides that apply only while it runs. It starts and ends on time in rooms that are already running, as data: nobody is kicked and nothing is redeployed. Clients see it in mp.live (active / upcoming / config) and mp.onLive(cb); server logic reads liveOps() and gets onLiveOps(live, change) when it starts or ends. Up to 50 events per game; check the result with get_live_ops (pass `at` to preview).",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"config": {
"additionalProperties": {},
"description": "Overrides deep-merged over the live config while the event runs (null deletes a key), e.g. { xpMultiplier: 2, rules: { lives: 1 } }.",
"propertyNames": {
"type": "string"
},
"type": "object"
},
"description": {
"description": "Player-facing blurb for an events window.",
"maxLength": 500,
"type": "string"
},
"durationMinutes": {
"description": "Length of each occurrence, instead of endsAt.",
"exclusiveMinimum": 0,
"type": "number"
},
"endsAt": {
"description": "ISO-8601 end. Or give durationMinutes. Neither = open-ended (until cancelled; not for repeating events).",
"type": "string"
},
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"id": {
"description": "Stable id (a-z, 0-9, - _). Defaults to a slug of the title. Scheduling an existing id EDITS that event.",
"maxLength": 48,
"type": "string"
},
"repeat": {
"description": "Repeat the same window every day or week from startsAt (default none).",
"enum": [
"none",
"daily",
"weekly"
],
"type": "string"
},
"repeatUntil": {
"description": "ISO-8601: no occurrence starts at or after this. Omit = repeats forever.",
"type": "string"
},
"rooms": {
"description": "Only these room names. Omit = every room of the game.",
"items": {
"type": "string"
},
"type": "array"
},
"startsAt": {
"description": "ISO-8601 start, e.g. \"2026-11-01T18:00:00Z\", or \"now\" (the default).",
"type": "string"
},
"title": {
"description": "Player-facing name, e.g. 'Double XP Weekend'.",
"maxLength": 80,
"minLength": 1,
"type": "string"
}
},
"required": [
"title"
],
"type": "object"
},
"name": "schedule_live_event"
},
{
"description": "Set a human-readable name for a game (the `game` argument, else the x-mp-game header, else your only game). The name shows in your dashboard: call this when you start building so the game isn't unnamed. Refuses to guess when the studio has several games and none was named.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"name": {
"description": "Display name, e.g. 'N0RT Arena'.",
"maxLength": 100,
"minLength": 1,
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"name": "set_game_name"
},
{
"description": "Set the game's live config: any JSON the game reads at runtime (drop rates, prices, difficulty, a banner, feature switches). It reaches rooms that are already running within ~15 seconds, with no redeploy and nobody disconnected; clients read it as mp.live.config, server logic as liveOps().config. Merges by default (a null value deletes a key); replace: true swaps the whole object. Active events' overrides apply on top. Max 8KB.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"config": {
"additionalProperties": {},
"description": "JSON object to merge (or, with replace, to store).",
"propertyNames": {
"type": "string"
},
"type": "object"
},
"game": {
"description": "Which game to act on: its publishable key (pk_…) or its exact name. Defaults to the x-mp-game header, then your primary game.",
"type": "string"
},
"replace": {
"description": "Replace the whole config instead of merging (default false).",
"type": "boolean"
}
},
"required": [
"config"
],
"type": "object"
},
"name": "set_live_config"
}
]
}What the leaf hashes
{"body":"90cde560c47393ed67af48da0eadb1751ddad25371a508b1840dbebe456764a0","id":582191,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793144755824373,"prev":null,"subject":"3e7092e5-28ef-465b-ac10-2acf06424f6a","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xf23227cfb85a19323c3b4c726f5c0bcfabe86629e025ec0d58a46c82063d8b27
- 0xaa56b4a1ab6862346a55083bdb17f57dafbcf78c4fc6c3fa74c2177aa230a79d
- 0x48b5dac7424036bcfe94cc0cb62c4ef26863469005a9dba295686bcd179278f5
- 0x8008fef11fd8bedc680c6845bddba57a7e44337f4fd3bab4a2e913e1fc5dc167
- 0x078564a6bf8c5c437aac9a02a2d1a4eda8d3850e74a6e5dc09e4ae141429f8af
- 0x600edf52096f56d79a0e995e71f64a42861bd876f5365594370776b78e61954e
- 0x639f99247ac66861f4282352706f362ee55e2c62448ff5c779ccd3904979ac67
- 0x46bb88e71ab06733497e23fb8d38442aef98b260c55c152d477df79c66f344ce
- 0x001d7c07e041d7e4e7edf40910b9651a1734591f1efabbb3e7b5934018345409
- 0x0a879be3598265939a739b13b94d402b3ceaf153a637e48d796122f830d66998
- 0x2ea101b6388c288056f45a9fd999778249a27a3187a1c19c21450a69a4412959
- 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
- 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
- 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
- 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4