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unsubscribe

Exposed by 1316 servers, with 5 different definitions behind the one name.

The same name does not mean the same tool here.

1316 servers expose unsubscribe and we have recorded 5 distinct definitions of it. Compare the parameters below before assuming one is a drop-in for another.

io.github.pipeworx-io/openstates reachable

OpenStates MCP — bills, legislators, votes in all 50 US states

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/opentargets reachable

Open Targets MCP — disease/target/drug knowledge graph.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/opentopodata reachable

Open Topo Data — global elevation lookups (multiple DEM datasets)

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/opentopography reachable

OpenTopography global DEM rasters + point queries (free key)

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/opentreeoflife reachable

Open Tree of Life MCP.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/openverse reachable

Openverse Creative-Commons image + audio search

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/openweather reachable

OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/oqmd reachable

OQMD (Open Quantum Materials Database) MCP.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/orcid reachable

ORCID public researcher records (works, employment, education)

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/or-dmv reachable

Oregon DMV: live field-office wait times and office directory for all 60 offices

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/osf reachable

OSF (Open Science Framework, by the Center for Open Science) MCP.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/osha reachable

OSHA MCP — US workplace-safety standards (29 CFR Chapter XVII, parts 1900–1990).

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/osrm reachable

OSRM MCP — routing via the public demo server

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/osv reachable

OSV.dev (Open Source Vulnerabilities) MCP.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/osv-dev error

OSV.dev — Google's open-source vulnerability database

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-26 repository
io.github.pipeworx-io/outlook-contacts error

Outlook Contacts (Microsoft 365) MCP Pack

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-26 repository
io.github.pipeworx-io/outlook-mail error

Outlook Mail (Microsoft 365) MCP Pack

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-26 repository
io.github.pipeworx-io/overheid-nl reachable

data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/overpass reachable

OpenStreetMap Overpass MCP — programmatic queries against the OSM database

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
io.github.pipeworx-io/owasp reachable

OWASP MCP — keyless.

Unsubscribe from Alerts

Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.

ParameterTypeDescription
id* string Subscription id (uuid) returned by subscribe.

* required

Author's annotations: readOnlyHint=False, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 b377a1b22c1cd914 read 2026-08-27 repository
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What this page is

Every field above is reproduced as the server published it at the time shown. The description and the annotations are claims by the server's author. Toolpin does not call tools, so we cannot tell you whether a tool does what it says.

What we can tell you is whether the claim changed. The hash covers the fields the MCP specification defines, so a vendor build stamp does not move it but a rewritten description does. See how we monitor, or this server's change history.