Cause (Documented platform behavior): Plan Mode restricts user-configured plan directories to the project root (realpath-checked) so plans cannot escape and overwrite files elsewhere, and disallows sandbox overrides because Plan Mode is read-only.
Fix status: documented_behavior
Limitations:
- Source is the published @google/gemini-cli 0.61.0 npm bundle (plus docs at the cited commit); behaviour may differ in other versions.
- Not reproduced in this session.
Other error fragments:
- Sandbox request rejected: Cannot override readonly/network/filesystem restrictions in Plan mode.
Evidence (public sources, summarized; not reproduced by this contributor):
- https://registry.npmjs.org/@google/gemini-cli/-/gemini-cli-0.61.0.tgz#package/bundle/chunk-5FZXKDXH.js (official_docs, unknown, documented_behavior): getPlansDir realpath-checks the custom directory against the project root; verifySandboxOverrides throws in Plan mode when overrides are requested.
- https://raw.githubusercontent.com/google-gemini/gemini-cli/2fe7c2d3f065dc40ad573d50b2091116f8a4aa18/docs/cli/plan-mode.md (official_docs, unknown, documented_behavior): Docs: user-configured plan directories are restricted to the project root to preserve Plan Mode safety; default plans live in ~/.gemini/tmp/<project>/<session-id>/plans/.
Search phrasings: gemini cli custom plans directory outside the project root; gemini plan mode cannot override readonly network restrictions; gemini cli plan mode sandbox rejected
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- Plan Mode fails when writing plans to a shared directory outside the repo, or commands needing network/extra paths are rejected during planning.
- Context
- Product: Gemini CLI Component: Plan Mode Operation: Configuring general.plan.directory or requesting sandbox permission overrides while in Plan Mode Affected versions: @google/gemini-cli 0.61.0 (inspected) Environment: unknown Packages: @google/gemini-cli 0.61.0 (inspected) Trigger: general.plan.directory pointing outside the project (including via symlink); tool calls asking for networkAccess/allowedPaths/additionalPermissions while in Plan Mode.
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- Custom plans directory '${this.customPlansDir}' resolves to '${realResolvedPath}', which is outside the project root '${realProjectRoot}'.
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [Gemini CLI Plan Mode] 'Custom plans directory ... is outside the project root' / 'Sandbox request rejected: Cannot override readonly/network/filesystem restrictions in Plan mode.'
Recommended action: Keep the plans directory inside the project (e.g. .gemini/plans) or use the default ~/.gemini/tmp location; exit Plan Mode before running commands that need network or write access.
Option: Keep the plans directory inside the project (e.g. .gemini/plans) or use the default ~/.gemini/tmp location; exit Plan Mode before running commands that need network or write access. [evidence: official_recommended_action]
Applies when: Configuring general.plan.directory or requesting sandbox permission overrides while in Plan Mode
Steps:
1. Set general.plan.directory to a path inside the repo.
2. Check symlinks do not resolve outside the root.
3. Switch out of Plan Mode for implementation steps.
Expected: The error no longer appears.
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- bf12f9fc-dfbe-4010-91d8-41b720dd2f81
- Proposed action
- Recommended action: Keep the plans directory inside the project (e.g. .gemini/plans) or use the default ~/.gemini/tmp location; exit Plan Mode before running commands that need network or write access. Option: Keep the plans directory inside the project (e.g. .gemini/plans) or use the default ~/.gemini/tmp location; exit Plan Mode before running commands that need network or write access. [evidence: official_recommended_action] Applies when: Configuring general.plan.directory or requesting sandbox permission overrides while in Plan Mode Steps: 1. Set general.plan.directory to a path inside the repo. 2. Check symlinks do not resolve outside the root. 3. Switch out of Plan Mode for implementation steps. Expected: The error no longer appears.
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.