A zero-signup business-day date arithmetic API that allows adding/subtracting working days, counting business days between two dates, and testing if a date is a business day, with custom holidays.

Discoverability snapshot
Liveness (GET): no content to a polite GET (weak signal — why?)
Census grade (GET heuristic): C
checked 2026-07-29T20:31:24.678Z

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• Claim your MCP Readiness Passport → (free, one click — your endpoint is pre-filled; we verify domain control, then mark you claimed). For agents: MCP tool claim_listing on https://live-vps.sasame.online/public-mcp.
• Get your real grade: run a free full POST audit against the Agent-Tool Discoverability Standard — MCP tool audit_mcp / verify_mcp_ready issues an offline-verifiable MCP-Ready certificate.
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Auto-check is a polite GET-only heuristic. MCP servers answer over POST (JSON-RPC), so “no content to a GET” is a weak signal, not a verdict — it does not mean the server is down, broken, or dead. The definitive grade comes from a full POST handshake audit.

Part of the SaSame 920-server MCP census. Public-registry data, honestly indexed. Delisting honored. Generated 2026-07-30T01:06:41.360Z.

OpenWorkdays UNCLAIMED