CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL

Updated October 31, 2026 by Alex Sorokoletov

CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL is a Claude Code environment variable: After a remote request is answered with a 403 that the request was blocked by policy, records the host and port and does not dial it again in the session. Added in v2.1.315 and still present in v2.1.315. It is not in the official reference.

Status	Present in v2.1.315
Added	Added in v2.1.315
Category	MCP
Official docs	Not listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL": "<value>"
  }
}

Release notes that mention it

Related variables

CLAUDE_IN_CHROME_MANAGED_MCP_REFUSAL
CLAUDE_CODE_ARTIFACT_MCP: Enables MCP runtime-capability support for artifacts; on by default.
CLAUDE_CODE_CHROME_LATE_MCP_SERVER: When true, loads the alternate late Claude-in-Chrome MCP server module and skips installing the Chrome native host early.
CLAUDE_CODE_CHROME_MCP_ORG_DENIED: When set, forces Claude-in-Chrome to be treated as denied by organization policy, with the cause reported as parent_org_policy.
CLAUDE_CODE_DISABLE_MCP_TASK_BACKGROUND: Turns off automatic backgrounding of MCP tool tasks.
CLAUDE_CODE_ENABLE_REFRESH_MCP_TOOLS: Enables an on-demand MCP-tool refresh capability, grouped with CLAUDE_CODE_ENABLE_TASKS and CLAUDE_CODE_ENABLE_REMOTE_RECAP.
CLAUDE_CODE_HOST_GUARDS_ARTIFACTS_MCP: On a desktop host, the artifacts MCP entry is skipped unless this is set to true, which keeps that entry enabled.
CLAUDE_CODE_MAX_MCP_DESCRIPTION_LENGTH

Frequently asked questions

What does CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL do?

After a remote request is answered with a 403 that the request was blocked by policy, records the host and port and does not dial it again in the session.

Which Claude Code version has CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL?

Added in v2.1.315 and still present in v2.1.315.

How do I set CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL?

Export it before starting Claude Code (export CLAUDE_CODE_MCP_NO_REDIAL_AFTER_POLICY_REFUSAL=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.