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.
HathiTrust Bibliographic API 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Humanitarian Data Exchange (HDX) MCP — data.humdata.org, the open
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
HealthData.gov MCP — wraps HealthData.gov CKAN API (free, no auth)
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Health Feeds 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Helsinki Events 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
HERE MCP — premium geocoding, places, and TRAFFIC-AWARE routing from HERE
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Hex.pm MCP — package registry for the Elixir & Erlang ecosystems.
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
HGNC (HUGO Gene Nomenclature Committee) 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Have I Been Pwned 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Hawaii: cumulative hybrid and electric vehicles registered statewide since 1999
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Hilma MCP — Finnish government public procurement notices (keyed).
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Hong Kong Monetary Authority (HKMA) public open API 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Croatian National Bank (Hrvatska narodna banka, HNB) exchange-rate 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Holidays MCP — wraps Nager.Date API (free, no auth)
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Homebrew formulae + casks + install analytics (formulae.brew.sh)
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Hong Kong Government Procurement MCP — GLD 'Contracts Awarded' (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.
| Parameter | Type | Description |
|---|---|---|
| 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.
NASA JPL Horizons — solar-system body ephemerides
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Horoscope MCP — wraps the keyless Horoscope App 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
Human Phenotype Ontology — clinical phenotype terms + gene/disease annotations
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.
| Parameter | Type | Description |
|---|---|---|
| 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.
HTML entities 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.
| Parameter | Type | Description |
|---|---|---|
| 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.
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.