●MCP — Support for the 2026-07-28 spec is rolling out across Claude. The protocol moves from bidirectional and stateful to request/response, so MCP servers can now live on serverless and edge infrastructure●EXTENSIONS — Three official extensions have landed: MCP Apps for server-rendered UI, Tasks for async and long-running work, and Enterprise Managed Auth for IdP-based org-wide provisioning●ADOPTION — MCP passed 400 million monthly SDK downloads, roughly 4x growth this year, settling into its role as the standard way to connect agents to applications●QUOTA — Today, August 19, is the last day of the 50 percent weekly usage boost for Claude Code subscribers. If you have long agent runs queued, this is the window●PRICING — Claude Sonnet 5's introductory rate of $2 per million input tokens and $10 output ends August 31; standard pricing of $3 and $15 takes over on September 1, twelve days out●FIX — A bug where MCP v2 connections endlessly reopened subscriptions against servers with fixed timeouts is resolved, and a forward_user_identity setting was added for user attribution●MCP — Support for the 2026-07-28 spec is rolling out across Claude. The protocol moves from bidirectional and stateful to request/response, so MCP servers can now live on serverless and edge infrastructure●EXTENSIONS — Three official extensions have landed: MCP Apps for server-rendered UI, Tasks for async and long-running work, and Enterprise Managed Auth for IdP-based org-wide provisioning●ADOPTION — MCP passed 400 million monthly SDK downloads, roughly 4x growth this year, settling into its role as the standard way to connect agents to applications●QUOTA — Today, August 19, is the last day of the 50 percent weekly usage boost for Claude Code subscribers. If you have long agent runs queued, this is the window●PRICING — Claude Sonnet 5's introductory rate of $2 per million input tokens and $10 output ends August 31; standard pricing of $3 and $15 takes over on September 1, twelve days out●FIX — A bug where MCP v2 connections endlessly reopened subscriptions against servers with fixed timeouts is resolved, and a forward_user_identity setting was added for user attribution

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Claude Code¹ Sonnet 5¹ context¹ cost optimization¹

⟐ Claude Code/2026-07-05Advanced

When to Use Claude Code's Native 1M Context — and When Not To: A Cost-Based Rule

With Sonnet 5 as the default, Claude Code now handles a native 1M-token context. A big window is convenient, but every token you park in it is billed again each turn. Should you load the whole repo, or feed slices? Here is an estimable token model and a decision rule that gives a concrete answer per situation, with working code and the traps to avoid.