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https://api.tunnelpowered.com/api/mcpOAuthMCP 2025-03-26v1.1.0last checked 24 Aug 2026spoke MCP on 3 of 3 checks (30 days)initialize in 354 msHow to authenticate
Checked against the endpoint by our probe on 24 Aug 2026. These are the capabilities the server advertises, not a prediction about any particular client.
| Scheme | OAuth |
|---|---|
| Issuer | https://api.tunnelpowered.com |
| Dynamic client registration | ✓Advertised (RFC 7591) |
| Client ID Metadata Document | ✕Not advertised |
| PKCE | ✕None advertised MCP requires S256; a client that implements only that has no method in common with this server. |
| Grant types | client_credentials |
| Protected-resource metadata | ✓Published (RFC 9728) |
| Anonymous access | Handshake succeeds; 17 tools listable |
| Credentials demanded in prose | ✕search_businesses, commit_order, cancel_order, reschedule_order, request_order_change, contact_business, send_followup These tools are listed anonymously and their own descriptions ask for an account or key, but no challenge is issued — so a client has nothing to act on and the refusal arrives as a tool error. |
| Documentation | https://api.tunnelpowered.com/api/kb/llms.txt |
What the probe found
7 of the 17 tools listed anonymously say in their own descriptions that they need an account or a key (search_businesses, commit_order, cancel_order, reschedule_order, request_order_change, contact_business, send_followup), but the endpoint issued no WWW-Authenticate challenge. The requirement is stated only in prose, so a call reaches the tool and comes back as a tool error instead of an authorization step.
The server exposes a public surface before authorization: search_businesses, get_business, check_merchant_verification, ask_business, ask_business_freeform, check_escalation, check_commitment, get_rate_card, request_quote, check_availability, commit_order, cancel_order, reschedule_order, request_order_change, contact_business, check_replies, send_followup.
Tools
Contract history
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Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.
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