Side-by-Side Model Context Protocol Comparison
Extend vs ParseRelay
In-depth architectural comparison of the Extend and ParseRelay 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
Extend
Developer Tools · Local stdio
Quality: 45/100 (Fair) | Auth: No auth required
ParseRelay
Developer Tools · Local stdio
Quality: 37/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Extend if you need specialized Developer Tools tools running via a local process. Choose ParseRelay if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
E
Choose Extend when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
P
Choose ParseRelay when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer local stdio subprocess transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
Feature & Specification Comparison
Tools & Capabilities Breakdown
Extend Tools (0)
No explicit tool names declared in metadata yet. Check project README on main listing page.
ParseRelay 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).
Extend Configuration
ParseRelay Configuration