Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.51 Home All releases olderv2.1.50 v2.1.52newer
Claude Code v2.1.51

Remote Control Bridge Overhaul

Feature flag
tengu_worktree_mode On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.51: no gate table built for this version

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

tengu_ccr_bridge On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.51: no gate table built for this version

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.51. It isn't a statement about your account. What a flag value here can and cannot tell you

The Remote Control feature (/remote-control) has been substantially rebuilt with a full bridge architecture for controlling CLI sessions from claude.ai/code. The feature flag was changed from tengu_worktree_mode to tengu_ccr_bridge, and the implementation now includes:

  • Full work-polling loop with session spawn/teardown lifecycle
  • WebSocket-based session ingress for real-time communication
  • QR code display (togglable with spacebar) for quick mobile connection
  • Automatic OAuth token refresh with JWT expiry tracking
  • Environment registration, deregistration, and re-registration on failure
  • Reconnection with exponential backoff and error budget
  • Session activity tracking (tool starts, text output, results)
  • remoteControlAtStartup setting to auto-enable Remote Control for all sessions
  • allow_remote_sessions policy for organization-level control
Evidence

Feature flag tengu_ccr_bridge, command definition name: "remote-control" with aliases ["rc"] (search for "tengu_ccr_bridge")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.51 →