Postedly
Physical mail MCP: letters, certified mail, postcards, fax, handwritten cards; review before payment
likely compatible
OAuth with discovery metadata and Dynamic Client Registration; use OAuth 2.0 → Dynamic discovery.
Rule R2c · what this means · Not tested in Copilot Studio.
| Registry name | com.postedly/send |
| Endpoint used for verdict | https://postedly.com/mcp/send |
| Transports | streamable-http |
| Auth (Copilot Studio setting) | OAuth 2.0 – Dynamic discovery |
| Last endpoint check | 2026-10-20T18:12:16Z · HTTP 401 |
| Website | https://postedly.com/agents |
| Version | 1.2.2 |
| Registry updated | 2026-10-12 |
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Is this wrong or out of date? Email us. Data built 2026-10-20.