Delete Range
Editor primitive for deleting an exact line range after explicit confirmation. Use inside write-code-by-hand mode when the user asks to delete, remove, or cut specific lines or a selected range.
Install
$ agentstack add skill-valsteen-write-code-by-hand-delete-range ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-valsteen-write-code-by-hand-delete-range) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Delete Range
Delete only the exact line range requested.
Operational framing: remove bytes while preserving authorship boundaries.
Required Inputs
- Target file.
- Start line.
- End line.
- Confirmation for destructive deletion unless the request is already exact and
explicit.
Rules
- Delete only the specified contiguous range.
- Do not clean up surrounding blank lines unless separately instructed.
- Do not infer that imports, tests, or references should also be removed.
- If the range is ambiguous, show the nearby lines and ask for a precise range.
Output
Confirm:
Deleted :-.Report the new cursor location.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: valsteen
- Source: valsteen/write-code-by-hand
- License: MIT
- Homepage: https://github.com/valsteen/write-code-by-hand#readme
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.