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hashline-edit

Hash-anchored StrReplace edits using LINE#ID tags from Read output.

Skill by mihazs

IndexedMIT★ 11
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/mihazs-hashline-edit

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Hash-anchored StrReplace edits using LINE#ID tags from Read output. PreToolUse blocks stale anchors when the file changed since the last cached read.

Use cases: writing

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Install scripts
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/hashline-edit

What's inside

Skill name
hashline-edit
Description
Hash-anchored StrReplace edits using LINE#ID tags from Read output. PreToolUse blocks stale anchors when the file changed since the last cached read.
License
MIT
Instructions
40 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Hashline edits (LINE#ID)

oh-my-grok caches per-line hashes after each workspace **Read**. Use those tags in `StrReplace` `old_string` when you need precise, conflict-safe edits.

## Format

Each line from Read is tagged as:

```text
{line}#{hash}|{content}
```

- **line**: 1-based line number
- **hash**: two letters from `ZPMQVRWSNKTXJBYH` (content fingerprint)
- Copy tags exactly — never guess hashes

Example: `11#XJ|  console.log("hi");` → anchor `11#XJ` (omit `|content` in `old_string` unless you intentionally include it; the hook strips `|…` when matching).

## Workflow

1. **Read** the target file (hooks refresh the hashline cache).
2. Copy the smallest set of `LINE#ID` anchors you need into `old_string`.
3. **StrReplace** once per logical change batch; re-read before a second edit on the same file.
4. If PreToolUse denies with “stale LINE#ID”, **Read** again and use the updated tags from the error or fresh read.

## Rules

- Anchors in `old_string` must match the **last Read cache** for that path.
- Whitespace in `old_string` must still match file content; hashes only guard line identity.
- SKILL.md reads are not cached — use normal edits for skills.
- Disable validation: `OMG_HASHLINE=0`.

## Configuration

| Variable | Default | Effect |
|----------|---------|--------|
| `OMG_HASHLINE` | `1` | `0` disables cache + PreToolUse guard |

UserPromptSubmit may include `<HASHLINE_CACHE>` listing recently read files and sample tags.

From mihazs/oh-my-grok, MIT.

More from mihazs/oh-my-grok

Signals

Stars
11
Forks
5
Open issues
0
Last commit (this folder)
Jun 3, 2026 (4 months ago)
Last release
Jun 3, 2026 (4 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

hashline-edit skill. Agent Mart. https://agentmart.dev/skills/mihazs-hashline-edit (last updated 2026-10-24)