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feat: add diff_files tool for file comparison #63

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0f5f44f
feat: add optional line numbering to read_text_file tool
Oct 29, 2025
58e1638
style: fix formatting and clippy warnings
Oct 29, 2025
54904fd
docs: update capabilities with line numbering parameter
Oct 29, 2025
a67829b
feat: add diff_files tool for file comparison
Oct 29, 2025
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10 changes: 10 additions & 0 deletions .claude/settings.local.json
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@@ -0,0 +1,10 @@
{
"permissions": {
"allow": [
"WebFetch(domain:github.com)",
"Bash(cargo make:*)"
],
"deny": [],
"ask": []
}
}
10 changes: 10 additions & 0 deletions CHANGELOG.md
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@@ -1,5 +1,15 @@
# Changelog

## [Unreleased]

### 🚀 Features

* Add optional line numbering to read_text_file tool ([#60](https://github.com/rust-mcp-stack/rust-mcp-filesystem/issues/60))
- Added `with_line_numbers` optional parameter to `read_text_file` tool
- When enabled, prefixes each line with right-aligned line numbers and pipe separator
- Useful for AI agents that need to target specific lines for code patches
- Maintains backward compatibility with existing usage

## [0.3.6](https://github.com/rust-mcp-stack/rust-mcp-filesystem/compare/v0.3.5...v0.3.6) (2025-10-15)


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7 changes: 7 additions & 0 deletions Cargo.lock
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1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -41,6 +41,7 @@ infer = "0.19.0"
rayon = "1.11.0"
sha2 = "0.10.9"
glob-match = "0.2"
hex = "0.4"

[dev-dependencies]
tempfile = "3.2"
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63 changes: 39 additions & 24 deletions docs/capabilities.md
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Expand Up @@ -2,10 +2,10 @@

<!-- mcp-discovery-render -->
## rust-mcp-filesystem 0.3.6
| 🟢 Tools (24) | <span style="opacity:0.6">🔴 Prompts</span> | <span style="opacity:0.6">🔴 Resources</span> | <span style="opacity:0.6">🔴 Logging</span> | <span style="opacity:0.6">🔴 Completions</span> | <span style="opacity:0.6">🔴 Experimental</span> |
| 🟢 Tools (25) | <span style="opacity:0.6">🔴 Prompts</span> | <span style="opacity:0.6">🔴 Resources</span> | <span style="opacity:0.6">🔴 Logging</span> | <span style="opacity:0.6">🔴 Completions</span> | <span style="opacity:0.6">🔴 Experimental</span> |
| --- | --- | --- | --- | --- | --- |

## 🛠️ Tools (24)
## 🛠️ Tools (25)

<table style="text-align: left;">
<thead>
Expand Down Expand Up @@ -44,6 +44,20 @@
</tr>
<tr>
<td>3.</td>
<td>
<code><b>diff_files</b></code>
</td>
<td>Generate a unified diff between two files. For text files, produces a standard unified diff format showing additions and deletions. For binary files, compares SHA-256 hashes and reports whether files are identical or different. Respects file size limits to prevent memory issues. Only works within allowed directories.</td>
<td>
<ul>
<li> <code>maxFileSizeBytes</code> : integer<br /></li>
<li> <code>path1</code> : string<br /></li>
<li> <code>path2</code> : string<br /></li>
</ul>
</td>
</tr>
<tr>
<td>4.</td>
<td>
<code><b>directory_tree</b></code>
</td>
Expand All @@ -56,7 +70,7 @@
</td>
</tr>
<tr>
<td>4.</td>
<td>5.</td>
<td>
<code><b>edit_file</b></code>
</td>
Expand All @@ -70,7 +84,7 @@
</td>
</tr>
<tr>
<td>5.</td>
<td>6.</td>
<td>
<code><b>find_duplicate_files</b></code>
</td>
Expand All @@ -87,7 +101,7 @@
</td>
</tr>
<tr>
<td>6.</td>
<td>7.</td>
<td>
<code><b>find_empty_directories</b></code>
</td>
Expand All @@ -101,7 +115,7 @@
</td>
</tr>
<tr>
<td>7.</td>
<td>8.</td>
<td>
<code><b>get_file_info</b></code>
</td>
Expand All @@ -113,7 +127,7 @@
</td>
</tr>
<tr>
<td>8.</td>
<td>9.</td>
<td>
<code><b>head_file</b></code>
</td>
Expand All @@ -126,7 +140,7 @@
</td>
</tr>
<tr>
<td>9.</td>
<td>10.</td>
<td>
<code><b>list_allowed_directories</b></code>
</td>
Expand All @@ -137,7 +151,7 @@
</td>
</tr>
<tr>
<td>10.</td>
<td>11.</td>
<td>
<code><b>list_directory</b></code>
</td>
Expand All @@ -149,7 +163,7 @@
</td>
</tr>
<tr>
<td>11.</td>
<td>12.</td>
<td>
<code><b>list_directory_with_sizes</b></code>
</td>
Expand All @@ -161,7 +175,7 @@
</td>
</tr>
<tr>
<td>12.</td>
<td>13.</td>
<td>
<code><b>move_file</b></code>
</td>
Expand All @@ -174,7 +188,7 @@
</td>
</tr>
<tr>
<td>13.</td>
<td>14.</td>
<td>
<code><b>read_file_lines</b></code>
</td>
Expand All @@ -188,7 +202,7 @@
</td>
</tr>
<tr>
<td>14.</td>
<td>15.</td>
<td>
<code><b>read_media_file</b></code>
</td>
Expand All @@ -201,7 +215,7 @@
</td>
</tr>
<tr>
<td>15.</td>
<td>16.</td>
<td>
<code><b>read_multiple_media_files</b></code>
</td>
Expand All @@ -214,7 +228,7 @@
</td>
</tr>
<tr>
<td>16.</td>
<td>17.</td>
<td>
<code><b>read_multiple_text_files</b></code>
</td>
Expand All @@ -226,19 +240,20 @@
</td>
</tr>
<tr>
<td>17.</td>
<td>18.</td>
<td>
<code><b>read_text_file</b></code>
</td>
<td>Read the complete contents of a text file from the file system as text. Handles various text encodings and provides detailed error messages if the file cannot be read. Use this tool when you need to examine the contents of a single file. Only works within allowed directories.</td>
<td>Read the complete contents of a text file from the file system as text. Handles various text encodings and provides detailed error messages if the file cannot be read. Use this tool when you need to examine the contents of a single file. Optionally include line numbers for precise code targeting. Only works within allowed directories.</td>
<td>
<ul>
<li> <code>path</code> : string<br /></li>
<li> <code>with_line_numbers</code> : boolean<br /></li>
</ul>
</td>
</tr>
<tr>
<td>18.</td>
<td>19.</td>
<td>
<code><b>search_files</b></code>
</td>
Expand All @@ -254,7 +269,7 @@
</td>
</tr>
<tr>
<td>19.</td>
<td>20.</td>
<td>
<code><b>search_files_content</b></code>
</td>
Expand All @@ -272,7 +287,7 @@
</td>
</tr>
<tr>
<td>20.</td>
<td>21.</td>
<td>
<code><b>tail_file</b></code>
</td>
Expand All @@ -285,7 +300,7 @@
</td>
</tr>
<tr>
<td>21.</td>
<td>22.</td>
<td>
<code><b>unzip_file</b></code>
</td>
Expand All @@ -298,7 +313,7 @@
</td>
</tr>
<tr>
<td>22.</td>
<td>23.</td>
<td>
<code><b>write_file</b></code>
</td>
Expand All @@ -311,7 +326,7 @@
</td>
</tr>
<tr>
<td>23.</td>
<td>24.</td>
<td>
<code><b>zip_directory</b></code>
</td>
Expand All @@ -325,7 +340,7 @@
</td>
</tr>
<tr>
<td>24.</td>
<td>25.</td>
<td>
<code><b>zip_files</b></code>
</td>
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