Allows comparison of TOML data, generating diffs between TOML structures, and processing TOML content for difference analysis
Supports comparison of XML data, generating diffs between XML structures, and processing XML content for difference analysis
Enables comparison of YAML data, generating diffs between YAML structures, and processing YAML content for difference analysis
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@diff-mcp compare these two JSON configs and show me what changed"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
powered by jsondiffpatch
compare text (using text diff powered by google-diff-match-patch )
compare data (json, json5, yaml, toml, xml, html) and get a readable diff in multiple output formats (text, json, jsonpatch)
Related MCP server: JSON Compare MCP Server
compare text or data and get a readable diff.
Inputs:
left (string | unknown[] | Record<string, unknown>): left text or data
leftFormat (string, optional): text, json, json5 (default), yaml, toml, xml, html
right (string | unknown[] | Record<string, unknown>): right text or data (to compare with left)
rightFormat (string, optional): text, json, json5 (default), yaml, toml, xml, html
outputFormat (string, optional): text (default), json, jsonpatch
Add this to your claude_desktop_config.json:
{
"mcpServers": {
"diff": {
"command": "npx",
"args": [
"-y",
"diff-mcp"
]
}
}
}This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.
compare text or data and get a readable diff
| Name | Required | Description | Default |
|---|---|---|---|
| state | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, and the description does not disclose behavioral traits such as whether the operation is read-only, destructive, or requires specific permissions. The description is minimal and does not add behavioral context beyond the tool name.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is very concise at one sentence, with no unnecessary words. However, it could be better structured by front-loading key information. It is adequately sized but lacks depth.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the complex nested input schema, multiple format options, and no output schema, the description is insufficient. It does not explain the return value, error cases, or how different formats affect output. The tool requires richer context to be fully usable.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema has descriptions for sub-parameters (left, right, formats) but the main 'state' parameter lacks a description. The tool description does not add any parameter information, leaving the agent to rely solely on the schema. Schema coverage is 0% for the top-level parameter, but sub-parameters are documented.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it compares text or data and returns a diff. The verb and resource are specific, and the tool's name matches the purpose. However, it lacks details on what types of diff outputs are available, which could be more precise.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives, or when not to use it. The description simply states what it does without context for decision making.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.
v1.0.0diffWith only one tool, there is no possibility of confusion or overlap between tools. The tool has a distinct and clear purpose, making disambiguation perfect.
There is only one tool named 'diff', so naming consistency is inherently perfect. No patterns or conventions can be inconsistent in a single-tool set.
A single tool is too few for most server purposes, as it limits functionality and scope. While the tool is well-defined, a server typically needs multiple tools to cover a domain adequately, making this borderline inappropriate.
The server has only one tool for diffing, which is severely incomplete for any meaningful domain. There are obvious gaps, such as no tools for applying diffs, merging, or handling different data formats, leading to dead ends in workflows.
Unclaimed servers have limited discoverability.
If you are the server author, to access and configure the admin panel.
Compare two JSON files deeply, ignoring order, to surface every difference. Get a clear, structure…
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Compare two JSON files deeply without worrying about key or array order. Detect missing, extra, an…
Utilities: JSON, regex, cron, hash, base64, URL, color, diff, CSV, JWT, UUID, Markdown, semver, time
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