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Ably MCP by usefulapi

by io.usefulapi
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Server Details

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

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Status
Healthy
Uptime
71.2% over 58 days
Last Tested
Transport
Streamable HTTP · MCP 2025-06-18
URL
Repository
m190/usefulapi-mcp
GitHub Stars
0

TDQS

A4/5.0

Scored across 15 tools

Disambiguation5/5

Every tool targets a distinct resource and action: account-level stats, app-level stats, channel details, history, presence, presence history, service time, and each control-plane listing (apps, keys, namespaces, queues, rules) are clearly separated. The only potentially confusing pair is account stats vs app stats, but their descriptions explicitly differentiate account-wide vs API-key-scoped usage.

Naming Consistency5/5

All tools use a uniform 'ably_' prefix followed by a consistent verb_noun pattern: get_ for single resources, list_ for collections, publish_message for the write action, and whoami for token details. There are no mixed casing styles or inconsistent verb choices.

Tool Count5/5

Fifteen tools is within the ideal range and each one covers a meaningful Ably capability, from control-plane inspection to channel data retrieval and publishing. The count feels justified given the breadth of Ably's API surface, with no redundant or filler tools.

Completeness3/5

The read side is well covered: stats, channel details, history, presence, and control-plane listings all have dedicated tools, and message publishing provides one write path. However, there are no create/update/delete operations for apps, keys, namespaces, queues, or rules, so lifecycle management is largely absent and an agent could not perform common administrative workflows.

Available Tools

15 tools
ably_get_account_statsGet account-level statistics
Read-only
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault
endNoEnd of range, ms since epoch (inclusive).
unitNoBucket size: minute | hour | day | month. Default minute.
limitNoMax buckets (<=1000). Default 100.
startNoStart of range, ms since epoch (inclusive).
account_idNoOverride the account id (defaults to the token's account).
ably_get_channel_detailsGet channel details / occupancy
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
channelYesChannel name.
ably_get_channel_historyGet channel message history
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
endNoLatest message time, ms since epoch (inclusive).
limitNoMax messages (<=1000). Default 100.
startNoEarliest message time, ms since epoch (inclusive).
channelYesChannel name, e.g. 'chat:room1'.
directionNoforwards (oldest-first) or backwards (newest-first, default).
ably_get_presenceGet channel presence set
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoMax members (<=1000). Default 100.
channelYesChannel name.
clientIdNoFilter to a specific clientId.
connectionIdNoFilter to a specific connectionId.
ably_get_presence_historyGet channel presence history
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
endNoLatest event time, ms since epoch (inclusive).
limitNoMax events (<=1000). Default 100.
startNoEarliest event time, ms since epoch (inclusive).
channelYesChannel name.
directionNoforwards or backwards (default backwards).
ably_get_service_timeGet Ably service time
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

ably_get_statsGet app statistics
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
endNoEnd of range, ms since epoch (inclusive).
unitNoBucket size: minute | hour | day | month. Default minute.
limitNoMax buckets (<=1000). Default 100.
startNoStart of range, ms since epoch (inclusive).
directionNoforwards or backwards (default backwards).
ably_list_appsList Ably apps
Read-only
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault
account_idNoOverride the account id (defaults to the token's account).
ably_list_channelsList active channels
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
byNoReturn channel ids only ('id', default) or full details ('value').
limitNoMax channels per page (<=1000). Default 100.
prefixNoOnly return channels whose name starts with this prefix.
ably_list_keysList an app's API keys
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
app_idYesApp id (from ably_list_apps).
ably_list_namespacesList an app's channel namespaces
Read-only
Inspect

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

ParametersJSON Schema
NameRequiredDescriptionDefault
app_idYesApp id (from ably_list_apps).
ably_list_queuesList an app's queues
Read-only
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault
app_idYesApp id (from ably_list_apps).
ably_list_rulesList an app's integration rules
Read-only
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault
app_idYesApp id (from ably_list_apps).
ably_publish_messagePublish a message to a channel
Destructive
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault
dataYesMessage payload (string; send JSON as a stringified value).
nameNoOptional event name for the message.
channelYesChannel name to publish to, e.g. 'chat:room1'.
clientIdNoOptional clientId to attribute the message to.
ably_whoamiGet control token / account info
Read-only
Inspect

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.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 15 tool updates
    • Changedably_get_account_stats1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_channel_details1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_channel_history1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_presence1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_presence_history1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_service_time1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_get_stats1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_apps1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_channels1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_keys1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_namespaces1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_queues1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_list_rules1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_publish_message1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • Changedably_whoami1 field changed
      • changedInput schema / $schema
        Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. 15 tool updates
    • First observedably_get_account_stats
    • First observedably_get_channel_details
    • First observedably_get_channel_history
    • First observedably_get_presence
    • First observedably_get_presence_history
    • First observedably_get_service_time
    • First observedably_get_stats
    • First observedably_list_apps
    • First observedably_list_channels
    • First observedably_list_keys
    • First observedably_list_namespaces
    • First observedably_list_queues
    • First observedably_list_rules
    • First observedably_publish_message
    • First observedably_whoami

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