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Connect LaunchDarkly to VS Code

Give VS Code governed access to LaunchDarkly’s 141 tools through Runlayer, with identity, policy, scanning, and audit on every call.

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Set up

Add LaunchDarkly to VS Code in four steps

Admins approve the server once. Everyone in VS Code then gets it through the same governed connection.

  1. 1

    Approve LaunchDarkly in Runlayer

    Add LaunchDarkly from the catalog and choose who can use it and which of its tools are allowed.

  2. 2

    Connect VS Code to Runlayer

    Runlayer’s CLI installs the Runlayer Plugin natively in VS Code; users can also add it over MCP. With direct tool listing turned on for your deployment, LaunchDarkly’s 141 tools show up in VS Code’s own tool list (VS Code 1.103 or newer).

    VS Code setup guide
  3. 3

    Sign in to LaunchDarkly

    An admin adds LaunchDarkly credentials to Runlayer once. They never sit in the client’s configuration.

  4. 4

    Use LaunchDarkly from VS Code

    LaunchDarkly’s approved tools appear in VS Code. Every call is checked against policy and recorded.

Tools

141 LaunchDarkly tools in VS Code

Runlayer policy decides which of these VS Code users can call.

  • Apply agentcontrol config approval

    Apply an already-approved AgentControl Config approval request.

  • Apply approval request

    Apply an already-approved flag approval request.

  • Archive flag

    Archive a feature flag (reversible).

  • Check flag rollout complete

    Check whether a feature flag is fully rolled out to a single deterministic variation across all traffic-bearing environments.

  • Check removal readiness

    Detailed safety check before removing a feature flag.

  • Clone agentcontrol config variation

    Clone an existing AgentControl Config variation with selective overrides.

  • Copy flag config

    Copy a flag's targeting configuration from one environment to another.

  • Create agent graph

    Create a new agent graph in a project.

See all 141 LaunchDarkly tools

Control

What Runlayer can see and stop in VS Code

Some controls apply to every client at the gateway. Others depend on what VS Code exposes to Runlayer.

  • Gateway policy (available)

    Every LaunchDarkly call from VS Code passes through Runlayer, where your policies can allow, alert, mask, or block it.

  • Audit trail (available)

    Each call is recorded with the user, VS Code as the client, the tool, and the policy and scanner decisions.

  • Client hooks (available)

    Capture supported prompts, reasoning, local and MCP tool calls, responses, and scanner decisions in real time.

  • Stop a call before it runs (available)

    Runlayer can deny a tool call before VS Code runs it.

  • Block output after it runs (available)

    Runlayer can block a tool’s output before VS Code’s model sees it.

  • Redact output in place (available)

    Runlayer can mask sensitive parts of a tool’s output in VS Code and pass the rest through.

Frequently asked questions

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