diff --git a/.changeset/mcp-payment-tools.md b/.changeset/mcp-payment-tools.md
new file mode 100644
index 0000000..55fee23
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+++ b/.changeset/mcp-payment-tools.md
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+---
+"agentaos": major
+"@agentaos/core": major
+"@agentaos/crypto": major
+"@agentaos/engine": major
+"@agentaos/chains": major
+"@agentaos/sdk": major
+---
+
+Device-code CLI login, MCP payment tools, CLI restructure
+
+- `agenta login` opens browser for authentication + wallet activation
+- `agenta pay checkout/get/list` — create and manage payment checkouts
+- `agenta sub` namespace — all sub-account commands (init, send, balance, policies, etc.)
+- `agenta status` — full account overview with `--json` mode for AI agents
+- Non-interactive `agenta sub init --create/--import` with flag-based interface
+- Auto-refresh JWT on expiry or scope upgrade
+- MCP: 3 new payment tools (create_checkout, get_checkout, list_checkouts) — 21 total
+- All commands support `--json` for machine-readable output
diff --git a/.changeset/pay-sdk-patch.md b/.changeset/pay-sdk-patch.md
new file mode 100644
index 0000000..20d5f92
--- /dev/null
+++ b/.changeset/pay-sdk-patch.md
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+---
+"@agentaos/pay": patch
+---
+
+Add supportedNetworks to CreateCheckoutParams, dual auth (JWT + API key) support