r4ck

com.profullstack/r4ckVersion 1.0.0

Server/VPS/GPU offer search (r4ck.dev)

Status

Responds345 msNov 14, 2026, 14:11 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:11 UTC
Latency: 345 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://r4ck.dev/mcpResponds345 msNov 14, 2026, 14:11 UTC

No sign-in

Claude Code

claude mcp add --transport http r4ck https://r4ck.dev/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: r4ck
Remote MCP server URL: https://r4ck.dev/mcp

Cursor

{
  "mcpServers": {
    "r4ck": {
      "url": "https://r4ck.dev/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"r4ck","type":"http","url":"https://r4ck.dev/mcp"}'

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Tools

23 tools

Tools of r4ck
	Description		Read-only	Idempotent	Open world
`cheapest`The lowest priced rows that meet the given minimums, ranked by estimated monthly USD.	The lowest priced rows that meet the given minimums, ranked by estimated monthly USD.	No	Yes	Yes	No
`compare_servers`Up to 20 offers side by side.	Up to 20 offers side by side.	No	Yes	Yes	No
`create_invite`Make one invite link from the caller’s quota. The link is returned once; both sides get days of the pass when a new account is made from it.	Make one invite link from the caller’s quota. The link is returned once; both sides get days of the pass when a new account is made from it.	No	No	Not declared	No
`create_webhook`Register an https URL to receive the caller’s events as signed POSTs (CloudEvents body, Standard Webhooks headers). Returns the endpoint and its signing secret (whsec_…), shown once.	Register an https URL to receive the caller’s events as signed POSTs (CloudEvents body, Standard Webhooks headers). Returns the endpoint and its signing secret (whsec_…), shown once.	No	No	Not declared	No
`deals`Current hosting deals and industry stories.	Current hosting deals and industry stories.	No	Yes	Yes	No
`delete_saved_search`Remove one saved search by id.	Remove one saved search by id.	Yes	No	Not declared	No
`delete_webhook`Delete an endpoint and its delivery log.	Delete an endpoint and its delivery log.	Yes	No	Not declared	No
`facets`Every facet value with its count, under an optional filter set.	Every facet value with its count, under an optional filter set.	No	Yes	Yes	No
`get_provider`A provider by slug or domain, with every offer it sells here.	A provider by slug or domain, with every offer it sells here.	No	Yes	Yes	No
`get_server`One offer by id with its provider, price history and similar offers.	One offer by id with its provider, price history and similar offers.	No	Yes	Yes	No
`list_invites`The caller’s invites (quota, status of each) and open affiliate link. Invites are scarce and single use.	The caller’s invites (quota, status of each) and open affiliate link. Invites are scarce and single use.	No	Yes	Yes	No
`list_providers`Hosting providers with their automation (api, cli, terraform, mcp), country, categories and runtimes. Filter with has, country, category, runtime, q.	Hosting providers with their automation (api, cli, terraform, mcp), country, categories and runtimes. Filter with has, country, category, runtime, q.	No	Yes	Yes	No
`list_webhooks`The caller’s webhook endpoints (url, event filters, on/off, failures) and the event types r4ck sends: server.listed and server.price_dropped for offers matching a saved search, pass.granted, api_key.created, api_key.revoked.	The caller’s webhook endpoints (url, event filters, on/off, failures) and the event types r4ck sends: server.listed and server.price_dropped for offers matching a saved search, pass.granted, api_key.created, api_key.revoked.	No	Yes	Yes	No
`parse_query`See how a sentence would be read, without running it.	See how a sentence would be read, without running it.	No	Yes	Yes	No
`redeem_code`Redeem a credit code (CR-…) on the caller’s account for days of the pass: no hourly allowance and 500 rows a page on every key, the CLI and MCP while it runs.	Redeem a credit code (CR-…) on the caller’s account for days of the pass: no hourly allowance and 500 rows a page on every key, the CLI and MCP while it runs.	No	No	Not declared	No
`rotate_webhook_secret`Mint a new signing secret and return it; the old one stops working at once.	Mint a new signing secret and return it; the old one stops working at once.	Yes	No	Not declared	No
`save_search`Save a filter set under a name on the caller’s account.	Save a filter set under a name on the caller’s account.	No	No	Not declared	No
`saved_searches`The caller’s saved searches, each with its URL, curl and CLI form.	The caller’s saved searches, each with its URL, curl and CLI form.	No	Yes	Yes	No
`search_servers`Search every offer by spec, price and place. Returns rows, how the sentence was understood, and facet counts for narrowing. Prices carry the billed amount and an estimated USD per month.	Search every offer by spec, price and place. Returns rows, how the sentence was understood, and facet counts for narrowing. Prices carry the billed amount and an estimated USD per month.	No	Yes	Yes	No
`stats`Counts of servers, providers, countries, GPU offers and the last sync.	Counts of servers, providers, countries, GPU offers and the last sync.	No	Yes	Yes	No
`test_webhook`Send a signed webhook.test event to the endpoint now and report the HTTP status.	Send a signed webhook.test event to the endpoint now and report the HTTP status.	No	No	Not declared	Yes
`update_webhook`Change an endpoint’s url, events or description, or switch it on/off (switching on clears its failure count).	Change an endpoint’s url, events or description, or switch it on/off (switching on clears its failure count).	No	No	Not declared	No
`webhook_deliveries`Recent deliveries (status, attempts, last HTTP status or error, payload), for one endpoint or all.	Recent deliveries (status, attempts, last HTTP status or error, payload), for one endpoint or all.	No	Yes	Yes	No

Details

Registry status: Active
Published: Nov 11, 2026
Updated: Nov 11, 2026
Website: https://r4ck.dev/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Developer toolsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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