AgentPhone vs Duration — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
AgentPhone vs Duration
In-depth architectural comparison of the AgentPhone and Duration 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
AgentPhone
Developer Tools · Local stdio
Quality: 49/100 (Fair) | Auth: No auth required
Duration
Developer Tools · Remote HTTP/SSE
Quality: 47/100 (Fair) | Auth: No auth required
Verdict Summary: Choose AgentPhone if you need specialized Developer Tools tools running via a local process. Choose Duration if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose AgentPhone 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).
No explicit tool names declared in metadata yet. Check project README on main listing page.
Duration Tools (2)
parse_duration
Parse an ISO 8601 duration string (e.g. "PT1H30M", "P1Y2M10DT2H") into its components and an approximate total in seconds (keyless, offline). Note: months=30d, years=365d for the estimate.
format_duration
Convert a number of seconds into an ISO 8601 duration string and a human-readable form (keyless, offline).
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).
AgentPhone is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Duration belongs to Developer Tools using remote streaming HTTP/SSE transport. Select AgentPhone when you need capabilities focused on developer tools and Duration when you require tools for developer tools.