That is the design decision worth knowing: an anonymous agent can pay for a reply and still not email your customers — send-tier calls deposit a draft for approval until the paying wallet earns trust. The anonymous per-tenant door is also read and draft only by construction, so a prompt-injected stranger cannot rewrite your knowledge base; content writes live on a separate authenticated endpoint with the tools off by default.
A multi-tenant helpdesk built so agents are first-class users. Humans get a dashboard and shared inbox; an agent connects to a tenant's public endpoint, lists tools, and does real support work — searching the knowledge base, reading ticket context, drafting replies, triaging and resolving. Read tools are anonymous and free; action tools answer with HTTP 402 and are paid per call over x402.
- Free, anonymous reads: the knowledge base, the issue list, the changelog, and the open bounty board — `search_kb`, `list_issues`, `list_changelog`, `list_bounties`
- Private ticket data behind an API key — `list_tickets`, `search_tickets`
- Ticket context priced at $0.02, ticket and issue creation at $0.02, triage and issue linking at $0.03 — `get_ticket_context`, `create_ticket`, `create_issue`, `triage`, `link_issue`
- Reply drafting and proposed resolutions at $0.06 — `draft_reply`, `propose_resolution`
- Send-tier actions at $0.06 that degrade to a draft in a human approval queue until the paying wallet earns trust — `assign`, `resolve`, `send_reply`
- Knowledge base and changelog writing on a separate authenticated endpoint, never granted by default — `create_kb`, `update_kb`, `create_changelog`
Either nothing, or a free account. Anonymous: point a `streamable-http` client at `https://deskcrew.io/api/mcp/{tenant}` — no account, no API key, action tools charge in USDC over x402, settled across Base, Polygon, Avalanche, Sei and Solana. Authenticated: create a free account, mint an `mcp_` credential, and connect to `https://deskcrew.io/api/mcp` with a Bearer header for your own desk with no per-call payment. A dependency-free stdio relay ships for clients that cannot speak HTTP, under a name, `deskcrew-mcp`, that npm does not have; `DESKCREW_TENANT` picks the desk and `DESKCREW_API_KEY` supplies the credential.