io.github.lazymac2x/diff-patch-tools

Official6 toolsLive

by lazymac2x

Cloudflare Workers MCP server: diff-patch-tools

diff-patch-tools MCP Server

Cloudflare Workers MCP server io.github.lazymac2x/diff-patch-tools provides “diff-patch-tools” functionality via REST plus MCP using JSON-RPC 2.0. The server is described as live at api.lazy-mac.com/diff-patch-tools, and is available with 6 tools.

🛠️ Key Features

Cloudflare Workers MCP server
“diff-patch-tools” capability
REST + MCP support
MCP protocol: JSON-RPC 2.0
Tool set size: 6

🚀 Use Cases

Generating and working with diff and patch data through API endpoints
Invoking MCP tools using JSON-RPC 2.0

⚡ Developer Benefits

Works with both REST and MCP (JSON-RPC 2.0)
Public endpoint available at api.lazy-mac.com/diff-patch-tools

⚠️ Limitations

Tool-specific behaviors are not described in the provided server excerpt

Captured live from the server via tools/list.

text_diff

Generate a unified diff between two text strings. Ideal for comparing file versions before and after edits.

Parameters5

original	string	required	Original text
modified	string	required	Modified text
context	number	optional	Context lines around each change (default 3)
original_file	string	optional	Label for the original file (default "original")
modified_file	string	optional	Label for the modified file (default "modified")

Raw schema

{
  "type": "object",
  "properties": {
    "original": {
      "type": "string",
      "description": "Original text"
    },
    "modified": {
      "type": "string",
      "description": "Modified text"
    },
    "context": {
      "type": "number",
      "description": "Context lines around each change (default 3)"
    },
    "original_file": {
      "type": "string",
      "description": "Label for the original file (default \"original\")"
    },
    "modified_file": {
      "type": "string",
      "description": "Label for the modified file (default \"modified\")"
    }
  },
  "required": [
    "original",
    "modified"
  ]
}

json_diff

Compute a structural diff between two JSON values, showing added, removed, and replaced fields.

Parameters2

original	any	required	Original JSON value (object, array, or JSON string)
modified	any	required	Modified JSON value (object, array, or JSON string)

Raw schema

{
  "type": "object",
  "properties": {
    "original": {
      "description": "Original JSON value (object, array, or JSON string)"
    },
    "modified": {
      "description": "Modified JSON value (object, array, or JSON string)"
    }
  },
  "required": [
    "original",
    "modified"
  ]
}

apply_patch

Apply a unified diff patch to an original text and return the patched result.

Parameters2

original	string	required	Original text to patch
patch	string	required	Unified diff patch string

Raw schema

{
  "type": "object",
  "properties": {
    "original": {
      "type": "string",
      "description": "Original text to patch"
    },
    "patch": {
      "type": "string",
      "description": "Unified diff patch string"
    }
  },
  "required": [
    "original",
    "patch"
  ]
}

three_way_merge

Perform a three-way merge of base, ours, and theirs. Conflicts are marked with standard diff3 conflict markers.

Parameters5

base	string	required	Common ancestor text
ours	string	required	Our version of the text
theirs	string	required	Their version of the text
ours_label	string	optional	Label for ours in conflict markers (default "ours")
theirs_label	string	optional	Label for theirs in conflict markers (default "theirs")

Raw schema

{
  "type": "object",
  "properties": {
    "base": {
      "type": "string",
      "description": "Common ancestor text"
    },
    "ours": {
      "type": "string",
      "description": "Our version of the text"
    },
    "theirs": {
      "type": "string",
      "description": "Their version of the text"
    },
    "ours_label": {
      "type": "string",
      "description": "Label for ours in conflict markers (default \"ours\")"
    },
    "theirs_label": {
      "type": "string",
      "description": "Label for theirs in conflict markers (default \"theirs\")"
    }
  },
  "required": [
    "base",
    "ours",
    "theirs"
  ]
}

diff_stats

Parse a unified diff string and return line-level statistics: additions, deletions, hunks, files changed.

Parameters1

diff

string

required

Unified diff string to analyse

Raw schema

{
  "type": "object",
  "properties": {
    "diff": {
      "type": "string",
      "description": "Unified diff string to analyse"
    }
  },
  "required": [
    "diff"
  ]
}

patch_validate

Check whether a unified diff patch can be applied cleanly to an original text without actually applying it.

Parameters2

original	string	required	Original text
patch	string	required	Unified diff patch string

Raw schema

{
  "type": "object",
  "properties": {
    "original": {
      "type": "string",
      "description": "Original text"
    },
    "patch": {
      "type": "string",
      "description": "Unified diff patch string"
    }
  },
  "required": [
    "original",
    "patch"
  ]
}

Install

Tools (6)

text_diffjson_diffapply_patchthree_way_mergediff_statspatch_validate

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://api.lazy-mac.com/diff-patch-tools/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "diff-patch-tools": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.lazy-mac.com/diff-patch-tools/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

io.github.lazymac2x/diff-patch-tools

diff-patch-tools MCP Server

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

text_diff

json_diff

apply_patch

three_way_merge

diff_stats

patch_validate

diff-patch-tools-api

Install

Remote endpoint

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