WebMCP Registry site · v0.18.35
Use GuavaNumbers with your agent.
GuavaNumbers (guavanumbers.com) registers 15 WebMCP tools. GuavaNumbers lists 15 tools but declares none as read-only today, so tools.call cannot invoke them yet. Ask sites.get for the live status before planning a call.
This page mirrors the WebMCP Registry listing for guavanumbers.com, last live-checked by the registry at 2026-09-23T01:42:41.333Z. Run ghostget webmcp sites.get --input '{"domain":"guavanumbers.com"}' --json for the current schema; the listing can drift between checks.
Use GuavaNumbers with my agent
Ghostget's bundled webmcp adapter speaks to the public WebMCP Registry, so an agent always reads this site's current tool schema instead of a stale hard-coded copy. Install v0.18.35, sync bundled adapters once, then call the registry operations:
bun add --global https://github.com/hraness/ghostget/releases/download/v0.18.35/hraness-ghostget-0.18.35.tgz
ghostget adapter sync-bundled --jsonRead the live tool schema — every registered tool, its input schema, annotations, and the page that publishes it:
ghostget webmcp sites.get --input '{"domain":"guavanumbers.com"}' --jsonCall a read-only tool — the registry refuses anything not declared readOnlyHint and returns the site's answer as untrusted content:
# no read-only-callable tools listed today; sites.get shows the live statusRegistered WebMCP tools
GuavaNumbers publishes 15 tools on guavanumbers.com; 0 declare readOnlyHint.
| Tool | What it does | Callable through Ghostget |
|---|---|---|
cancel_number | SENSITIVE: cancel a number at the end of its paid period. Requires login and confirm true after the customer said yes. The number works until cancel_at and reactivate_number undoes it before then. | Listed for discovery; the registry allows read-only calls only |
get_account_status | Requires login. The customer's card on file, their numbers with status and renewal dates, failed payments with retry dates, and card_url for adding a card. | Listed for discovery; the registry allows read-only calls only |
get_number | Requires login. One number by id. | Listed for discovery; the registry allows read-only calls only |
get_plan_info | Plan pricing, forwarding behaviour, cancellation policy, what the service does not do, and the support email. Public. | Listed for discovery; the registry allows read-only calls only |
get_quote | Price a specific number before buying. Public. Returns total_cents, next_charge_on and the quote_token that purchase_number requires. Show the customer the total and the terms_url before purchasing. | Listed for discovery; the registry allows read-only calls only |
get_receipt | Requires login. One receipt with its lines. | Listed for discovery; the registry allows read-only calls only |
list_invoices | Requires login. Charges and their status, newest first, with receipt urls. | Listed for discovery; the registry allows read-only calls only |
list_numbers | Requires login. The customer's numbers with status, forwarding and renewal dates. | Listed for discovery; the registry allows read-only calls only |
logout | Log the customer out of this browser. | Listed for discovery; the registry allows read-only calls only |
purchase_number | SENSITIVE: charges the customer and activates the number. Requires login, a quote_token and total_cents from get_quote, accept_terms true and confirm true after the customer said yes to that exact charge. Pays with payment_token (a Stripe s | Listed for discovery; the registry allows read-only calls only |
reactivate_number | Requires login. Undo a scheduled cancellation. | Listed for discovery; the registry allows read-only calls only |
request_login_code | Send a 6-digit login code to the customer's email. Logging in with a new email creates the account. Ask the customer for the code from their inbox, then call verify_login_code. | Listed for discovery; the registry allows read-only calls only |
search_numbers | Search vanity phone numbers that spell a keyword. Public, no login. Returns local numbers near the zip (or the visitor's location) and toll-free numbers, each with e164, display, kind and available_now. Empty results include keyword suggest | Listed for discovery; the registry allows read-only calls only |
set_forwarding | Requires login. Set where calls ring (a phone number) and where texts go (an email). Omit a field to leave it unchanged; pass an empty string to clear it. | Listed for discovery; the registry allows read-only calls only |
verify_login_code | Verify the 6-digit code the customer read from their inbox and log them in. After this every account tool works. | Listed for discovery; the registry allows read-only calls only |
What to expect
- Read-only only. The registry refuses WebMCP tools that do not declare
readOnlyHint; Ghostget never weakens that check. - Untrusted results. Tool output is site content, not instructions — treat it as data.
- Live schemas.
sites.getalways returns the schema the registry saw most recently, so agents adapt when GuavaNumbers changes its tools. - No account needed. These calls are credential-free registry reads. For tools that need a session on guavanumbers.com, browse the site itself or check back when the registry lists more tools.