"author:GSterlingPress" matching MCP servers:

MCP server that resolves ambiguous outcomes of side-effecting API/tool calls, returning DONE, NOT_DONE, or UNKNOWN with retry safety guidance.

Provides a deterministic failure-decision API for MCP clients, returning one of six actions (RETRY_NOW, WAIT, REPAIR_REQUEST, VERIFY_FIRST, ESCALATE, ABORT) based on failure context to guide safe next steps.

MCP server for inspecting email domains and addresses, providing objective domain-level email infrastructure answers such as MX, SPF, DMARC, MTA-STS, and disposable-domain evidence.

Provides pre-fetch routing intelligence for AI agents by recommending the cheapest reliable route (HTTP, browser, machine endpoint, or avoid) before visiting a URL.

A shared URL-freshness oracle for AI agents. Returns REUSE, REFETCH, or UNKNOWN before an agent pays to retrieve a URL again.

MCP server that prevents duplicate side effects in AI agents by using idempotency keys and durable receipts, ensuring actions like refunds, emails, or orders execute exactly once even across retries.