# r4ck

> These figures are automated measurements with timestamps. They are not a review, rating, grade, or recommendation.

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

- Status: Up
- Checks passed: 11 of 22
- Uptime: Not measured
- Latency: 406 ms
- Tools: 23
- Last probe: 2026-11-12T11:46:04.743Z
- Publisher: profullstack.com (https://mcpheartbeat.com/p/com.profullstack)
- Endpoint: https://r4ck.dev/mcp
- Transport: streamable-http

## Tools

Showing 23.

- **cheapest**: The lowest priced rows that meet the given minimums, ranked by estimated monthly USD.
- **compare_servers**: Up to 20 offers side by side.
- **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.
- **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
- **deals**: Current hosting deals and industry stories.
- **delete_saved_search**: Remove one saved search by id.
- **delete_webhook**: Delete an endpoint and its delivery log.
- **facets**: Every facet value with its count, under an optional filter set.
- **get_provider**: A provider by slug or domain, with every offer it sells here.
- **get_server**: One offer by id with its provider, price history and similar offers.
- **list_invites**: The caller’s invites (quota, status of each) and open affiliate link. Invites are scarce and single use.
- **list_providers**: Hosting providers with their automation (api, cli, terraform, mcp), country, categories and runtimes. Filter with has, country, category, runtime, q.
- **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
- **parse_query**: See how a sentence would be read, without running it.
- **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.
- **rotate_webhook_secret**: Mint a new signing secret and return it; the old one stops working at once.
- **save_search**: Save a filter set under a name on the caller’s account.
- **saved_searches**: The caller’s saved searches, each with its URL, curl and CLI form.
- **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 a
- **stats**: Counts of servers, providers, countries, GPU offers and the last sync.
- **test_webhook**: Send a signed webhook.test event to the endpoint now and report the HTTP status.
- **update_webhook**: Change an endpoint’s url, events or description, or switch it on/off (switching on clears its failure count).
- **webhook_deliveries**: Recent deliveries (status, attempts, last HTTP status or error, payload), for one endpoint or all.

## Links

- HTML: https://mcpheartbeat.com/s/com.profullstack/r4ck
- Markdown: https://mcpheartbeat.com/s/com.profullstack/r4ck.md
- MCP: https://mcpheartbeat.com/mcp
- API: https://mcpheartbeat.com/api/v1/servers
- Tools API: https://mcpheartbeat.com/api/v1/tools
- Server API: https://mcpheartbeat.com/api/v1/health?server=com.profullstack%2Fr4ck