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ably

MCP server for Ably — channel history, presence, occupancy, stats, publish, and app management.

使うべきか

品質と安全性

A
説明の品質
99%
スキーマの完全性
88%
命名の品質
80%
ポイズニングのリスク
100%
権限の一致
100%
プロトコルへの準拠
100%

ツール定義とプロトコルへの準拠に関する自動分析に基づいています。

コンテキストコスト

~2,329トークン数（ツール定義）
~1.1 KB一般的なレスポンスサイズ
注意への影響は中程度（128k コンテキストの 1.82%）

これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。

インストール

ワンクリックインストール

これを `claude_desktop_config.json` ファイルに追加してください:

{
  "mcpServers": {
    "ably": {
      "url": "https://ably.usefulapi.io/mcp"
    }
  }
}

リモートエンドポイント

https://ably.usefulapi.io/mcpstreamable-http

できること

ツール一覧

ツール（15）

🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢ably_get_channel_history(channel, start, end, limit, direction)

Retrieve historical messages published to a channel, newest-first by default. REST: GET /channels/{channel}/messages.

入力スキーマ

{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name, e.g. 'chat:room1'."
    },
    "start": {
      "description": "Earliest message time, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "end": {
      "description": "Latest message time, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "limit": {
      "description": "Max messages (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    },
    "direction": {
      "description": "forwards (oldest-first) or backwards (newest-first, default).",
      "type": "string",
      "enum": [
        "forwards",
        "backwards"
      ]
    }
  },
  "required": [
    "channel"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_presence(channel, clientId, connectionId, limit)

List the members currently present on a channel (who is online now). REST: GET /channels/{channel}/presence.

入力スキーマ

{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name."
    },
    "clientId": {
      "description": "Filter to a specific clientId.",
      "type": "string"
    },
    "connectionId": {
      "description": "Filter to a specific connectionId.",
      "type": "string"
    },
    "limit": {
      "description": "Max members (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    }
  },
  "required": [
    "channel"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_presence_history(channel, start, end, limit, direction)

Retrieve historical presence events (enter/leave/update) for a channel. REST: GET /channels/{channel}/presence/history.

入力スキーマ

{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name."
    },
    "start": {
      "description": "Earliest event time, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "end": {
      "description": "Latest event time, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "limit": {
      "description": "Max events (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    },
    "direction": {
      "description": "forwards or backwards (default backwards).",
      "type": "string",
      "enum": [
        "forwards",
        "backwards"
      ]
    }
  },
  "required": [
    "channel"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_channel_details(channel)

Get status and occupancy metrics for a single channel (connections, publishers, subscribers, presence members). REST: GET /channels/{channel}.

入力スキーマ

{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name."
    }
  },
  "required": [
    "channel"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_channels(prefix, limit, by)

Enumerate channels that are currently active in the app. Requires the API key to have the 'channel-metadata' capability. REST: GET /channels.

入力スキーマ

{
  "type": "object",
  "properties": {
    "prefix": {
      "description": "Only return channels whose name starts with this prefix.",
      "type": "string"
    },
    "limit": {
      "description": "Max channels per page (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    },
    "by": {
      "description": "Return channel ids only ('id', default) or full details ('value').",
      "type": "string",
      "enum": [
        "id",
        "value"
      ]
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_stats(start, end, unit, limit, direction)

Retrieve message/connection/channel usage statistics for the app tied to the API key, bucketed by time. REST: GET /stats.

入力スキーマ

{
  "type": "object",
  "properties": {
    "start": {
      "description": "Start of range, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "end": {
      "description": "End of range, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "unit": {
      "description": "Bucket size: minute | hour | day | month. Default minute.",
      "type": "string",
      "enum": [
        "minute",
        "hour",
        "day",
        "month"
      ]
    },
    "limit": {
      "description": "Max buckets (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    },
    "direction": {
      "description": "forwards or backwards (default backwards).",
      "type": "string",
      "enum": [
        "forwards",
        "backwards"
      ]
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_service_time

Return the current Ably service time in ms since epoch. Useful for aligning start/end windows to the server clock. REST: GET /time.

入力スキーマ

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🔴ably_publish_message(channel, data, name, clientId)

WRITE: publish a message to a channel. Every connected subscriber receives it in real time. This is a real, outward-facing side effect — confirm the channel and payload before calling. REST: POST /channels/{channel}/messages.

入力スキーマ

{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name to publish to, e.g. 'chat:room1'."
    },
    "data": {
      "type": "string",
      "description": "Message payload (string; send JSON as a stringified value)."
    },
    "name": {
      "description": "Optional event name for the message.",
      "type": "string"
    },
    "clientId": {
      "description": "Optional clientId to attribute the message to.",
      "type": "string"
    }
  },
  "required": [
    "channel",
    "data"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_whoami

Return details about the configured control token: the account and user it belongs to and its capabilities. Good first call to confirm control-plane access. Control API: GET /me.

入力スキーマ

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_apps(account_id)

List all apps in the account (id, name, status, tls-only). Account id is resolved automatically from the control token when ABLY_ACCOUNT_ID is unset. Control API: GET /accounts/{account_id}/apps.

入力スキーマ

{
  "type": "object",
  "properties": {
    "account_id": {
      "description": "Override the account id (defaults to the token's account).",
      "type": "string"
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_keys(app_id)

List the API keys for an app, including their capabilities (but not the full secret). Control API: GET /apps/{app_id}/keys.

入力スキーマ

{
  "type": "object",
  "properties": {
    "app_id": {
      "type": "string",
      "description": "App id (from ably_list_apps)."
    }
  },
  "required": [
    "app_id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_namespaces(app_id)

List the channel namespaces (channel-rule prefixes) configured for an app, e.g. persistence and push settings. Control API: GET /apps/{app_id}/namespaces.

入力スキーマ

{
  "type": "object",
  "properties": {
    "app_id": {
      "type": "string",
      "description": "App id (from ably_list_apps)."
    }
  },
  "required": [
    "app_id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_queues(app_id)

List the Ably Queues (AMQP/STOMP message queues) provisioned for an app, with their state and messaging stats. Control API: GET /apps/{app_id}/queues.

入力スキーマ

{
  "type": "object",
  "properties": {
    "app_id": {
      "type": "string",
      "description": "App id (from ably_list_apps)."
    }
  },
  "required": [
    "app_id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_list_rules(app_id)

List the integration rules (reactor rules: webhooks, AWS Lambda/SQS/Kinesis, Kafka, Pulsar, etc.) configured for an app. Control API: GET /apps/{app_id}/rules.

入力スキーマ

{
  "type": "object",
  "properties": {
    "app_id": {
      "type": "string",
      "description": "App id (from ably_list_apps)."
    }
  },
  "required": [
    "app_id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢ably_get_account_stats(account_id, start, end, unit, limit)

Retrieve aggregated usage statistics across the whole account, bucketed by time. Account id is resolved from the control token when ABLY_ACCOUNT_ID is unset. Control API: GET /accounts/{account_id}/stats.

入力スキーマ

{
  "type": "object",
  "properties": {
    "account_id": {
      "description": "Override the account id (defaults to the token's account).",
      "type": "string"
    },
    "start": {
      "description": "Start of range, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "end": {
      "description": "End of range, ms since epoch (inclusive).",
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "unit": {
      "description": "Bucket size: minute | hour | day | month. Default minute.",
      "type": "string",
      "enum": [
        "minute",
        "hour",
        "day",
        "month"
      ]
    },
    "limit": {
      "description": "Max buckets (<=1000). Default 100.",
      "type": "integer",
      "exclusiveMinimum": 0,
      "maximum": 1000
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}

推奨プロンプト

retrieve_data
Get details about [item] from ably
想定されるツール: ably_get_channel_history
fetch_info
Fetch [information type] using ably
想定されるツール: ably_get_channel_history
list_items
List all [items] available in ably
想定されるツール: ably_list_channels
browse_collection
Show me the [collection] from ably
想定されるツール: ably_list_channels
explore_workflow
List available [items], then get details for each one using ably
想定されるツール: ably_list_channelsably_get_channel_history

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