What is the key difference between Delimit and Lockspec?

Delimit belongs to the Aggregators category with local stdio execution, while Lockspec belongs to the Aggregators category with local stdio execution.

How do I install Delimit or Lockspec in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Delimit and Lockspec free or paid?

Delimit operates under a Free / Open Source model (No auth required). Lockspec operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Delimit lists 6 tools with 1 views and 21 GitHub stars. Lockspec lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Delimit and Lockspec together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Delimit or Lockspec in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Delimit and Lockspec free to use, or do they require API keys?

Delimit is listed under a Free / Open Source model with No auth required . Lockspec operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Delimit and Lockspec at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both delimit-ai-delimit and lockspec as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Delimit has a Quality Score of 60 /100 ( Good ) with 1 views, 0 installs, and 21 GitHub stars. Lockspec holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Delimit vs Lockspec

In-depth architectural comparison of the Delimit and Lockspec MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Delimit

Aggregators · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Lockspec

Aggregators · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Delimit if you need specialized Aggregators tools running via a local process. Choose Lockspec if your workspace requires Aggregators integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Delimit when:

You need dedicated capabilities in the Aggregators domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Diffs two OpenAPI/Swagger spec versions, Detects 23 change types including 10 breaking changes, Supports OpenAPI 3.0, 3.1, and Swagger 2.0.

Explore Delimit Details

Choose Lockspec when:

You need dedicated capabilities in the Aggregators domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Lockspec Details

Feature & Specification Comparison

Specification	Delimit delimit-ai Aggregators	L Lockspec Aggregators
Summary	API governance server that detects breaking changes in OpenAPI specs. Diffs two spec versions, applies configurable policy rules (strict/default/relaxed), and returns structured pass/fail verdicts. 23 change types, 10 breaking. Supports OpenAPI 3.0, 3.1, and Swagger 2.0.	MCP server giving AI coding agents version-pinned API context from your OpenAPI specs.
Category & Scope	Aggregators

Tools & Capabilities Breakdown

Delimit Tools (6)

Diffs two OpenAPI/Swagger spec versions

Detects 23 change types including 10 breaking changes

Supports OpenAPI 3.0, 3.1, and Swagger 2.0

Configurable policy presets: strict, default, relaxed

Generates signed, replayable attestation bundles

Zero-config CLI check with no account or keys required

Lockspec Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Delimit Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "delimit-ai-delimit": {
      "command": "npx",
      "args": [
        "-y",
        "delimit-cli"
      ]
    }
  }
}

Lockspec Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "lockspec": {
      "command": "npx",
      "args": [
        "-y",
        "lockspec"
      ]
    }
  }
}

Frequently Asked Questions

Delimit is categorized under Aggregators and uses a local stdio subprocess. In contrast, Lockspec belongs to Aggregators using local stdio subprocess. Select Delimit when you need capabilities focused on aggregators and Lockspec when you require tools for aggregators.

More alternatives to Delimit More alternatives to Lockspec Aggregators category hub