New skill to manage ACG's Yealink phone fleets via Yealink Management Cloud Service v2
(us-api.ymcs.yealink.com). RTFM'd the API (token auth via POST /v2/token Basic+bearer, NOT the
legacy RPS HMAC; legacy-TLS renegotiation required) + endpoint map from the dszp/n8n-nodes-
yealinkymcs community node. Live-verified: token auth, sites (one ACG AccessKey sees ALL client
sites — VWP/GuruHQ/Ace Pick Up Parks as children of the ACG parent), devices, accounts,
rps-servers (RPS = "WL - ACG" ftp://p.packetdials.net). Gated writes (--confirm): add-devices-by-mac,
add-sipaccount (push a NetSapiens SIP cred onto a phone = the PBX glue), reboot, reset, rps add/del;
+ raw passthrough (auto-recovers the MSYS /v2 path-mangling). Creds vaulted at
services/yealink-ymcs.sops.yaml. Pairs with packetdial onboard-domain for new-client phone
provisioning; VWP is the live pilot. Honest [V]/[P] verification status in SKILL.md.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Mike Swanson
850e685d8d