cloudflare/agents @cloudflare/think@0.10.0

@cloudflare/think@0.10.0

Repository: cloudflare/agents

Tag: @cloudflare/think@0.10.0

Published: 2026-06-17T11:55:37Z

Prerelease: no

Release notes:

Minor Changes

• #1770 `718634f` Thanks @threepointone! - Add a runtime CLI: think studio and think state.

think studio [agent] [instance] launches Think Studio — a bundled local web app that connects (over WebSocket) to any running Think instance, local dev server or deployed Worker. Studio provides streaming chat (with tool calls and inline approve/reject for needsApproval tools) plus a read-only inspector showing the agent's identity, connection status, live state, recent history, and a turn/recovery status badge. The CLI serves the prebuilt SPA from a tiny node:http static server and opens the browser (--port, --no-open); the browser talks to the agent directly. think state [instance] prints the agent's identity, live state, and a recent history snapshot (--json, --limit).

Both commands share connection flags (--url, --host, --protocol, --token, --query, --route-prefix, --root), resolve friendly agent ids from the local manifest, and send the token as a query parameter (WebSocket upgrades can't set headers). Chatting in Studio drives a real, persisted turn against the live Durable Object.

The Think Vite plugin also registers an s dev-server shortcut (alongside Vite's built-in r/u/o/c/q) that launches Studio against the running pnpm dev server. Disable it with studioShortcut: false.

• #1770 `718634f` Thanks @threepointone! - Add addMessages() for writing to the transcript without starting a model turn.

addMessages(messages, options?) appends (or upserts, via { mode: "upsert" }) into the Session tree without running inference or entering the turn queue, so it is safe to call from inside a tool execute. Array entries are appended linearly into one path; appends are idempotent by message id; parentId controls the attach point (latest committed leaf by default, null for root, and an unknown id fails fast). This is distinct from saveMessages() (which runs a turn) and from AIChatAgent's persistMessages() (which replaces/reconciles a flat array). Fixes the Think docs that previously pointed to a nonexistent persistMessages() on Think.

Patch Changes

• #1767 `f03dee6` Thanks @threepointone! - Reduce Think Durable Object SQLite reads during normal wakes and text-only turns.

Think now avoids automatic media-eviction scans until hydration has been windowed or an oversized appended message has been observed. The shared resumable stream buffer also avoids per-wake metadata-column introspection by creating new tables with the current columns and lazily migrating legacy tables only when a stream write needs it.

• Updated dependencies \[`718634f`]:
• create-think@0.1.0