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Mackerel (BYOK)

Read your Mackerel server monitoring: hosts, services, roles, metrics, monitors and alerts (Japan) with your own read-only API key

Unify Dynamics LLC

Tools12read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderMackerelunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which Mackerel organization is my API key for?
Tools called
get_organization
What services do I monitor in Mackerel?
Tools called
list_services
Which roles does the Mackerel service Hatena-Blog have?
Tools called
list_roles
Which hosts are in the web role of the Mackerel service Hatena-Blog?
Tools called
list_hosts
Show details of Mackerel host 3vZHfLBsmHJ
Tools called
get_host
Which metrics does Mackerel host 3vZHfLBsmHJ report?
Tools called
list_host_metric_names

About

Mackerel (BYOK) lets an AI assistant read your own Mackerel data through the Mackerel API with a key you supply (Mackerel API key (read permission is enough)). Read-only: 12 tools (get_organization, list_services, list_roles, list_hosts, get_host, list_host_metric_names, get_host_metrics, get_latest_metric, list_alerts, get_alert, list_monitors, list_dashboards). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.mackerelio.com. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Mackerel. Mackerel and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the Mackerel API (api.mackerelio.com) with a BYOK key; documentation: https://mackerel.io/api-docs/. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

12 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data12 tools
  • Get organizationShow the Mackerel organization the key belongs to: its name and display name.
  • List servicesList the monitored services of the organization with their notes and role names.
  • List rolesList the roles (server groups) of one service with their notes.
  • List hostsList registered hosts (default: working and standby ones) with status, roles, size and registration time; filter by service, role, name, status or…
  • Get hostGet one host by id: name, status, roles per service, size, notes, registration and retirement information.
  • List host metric namesList the metric names an agent has posted for one host, such as loadavg5 or memory.used.
  • Get host metricsGet the values of one metric of one host between two Unix times, in time order.
  • Get latest metricGet the newest value of one metric for one host (one call per host and metric name).
  • List alertsList alerts newest first (open ones by default) with status, monitor id, host id, value or message and open and close times (Unix seconds); page…
  • Get alertGet one alert by id with status, type, monitor id, host id, measured value or message and times.
  • List monitorsList the monitor rules (host metric, service metric, connectivity, external, expression and check monitors) with their names, thresholds and scopes.
  • List dashboardsList the custom dashboards with title, URL path, notes and creation and update times (Unix seconds).

Information

PublisherUnify Dynamics LLC
CategoryDeveloper tools
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-mackerel.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

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Get Mackerel (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own Mackerel Mackerel API key (read permission is enough). Create one at https://mackerel.io/my?tab=apikeys, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to Mackerel. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with Mackerel.