AgentPhone vs Datecalc — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
AgentPhone vs Datecalc
In-depth architectural comparison of the AgentPhone and Datecalc 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
Datecalc
Developer Tools · Remote HTTP/SSE
Quality: 45/100 (Fair) | Auth: No auth required
Verdict Summary: Choose AgentPhone if you need specialized Developer Tools tools running via a local process. Choose Datecalc 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.
Datecalc Tools (3)
date_diff
Compute the difference between two dates/times (UTC). Returns the signed difference in ms, seconds, minutes, hours, days and weeks, plus a human-readable summary. Accepts ISO-8601 (e.g. "2026-01-01" or "2026-01-01T12:00:00Z").
add_duration
Add (or subtract, with negatives) a duration to a date and return the new UTC date/time. Provide any of years/months/weeks/days/hours/minutes/seconds.
date_info
Calendar facts about a date (UTC): weekday, day-of-year, ISO week number, quarter, whether the year is a leap year, and days in that month.
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, Datecalc belongs to Developer Tools using remote streaming HTTP/SSE transport. Select AgentPhone when you need capabilities focused on developer tools and Datecalc when you require tools for developer tools.