Fresh discovery feed
Newly added to AgentStack, ordered by when we first recorded them. This does not claim that each project was newly released upstream.
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Validate whether an IP address belongs to Googlebot. Remote MCP server exposing a validate_ip tool.
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Validate Baiduspider IP addresses. Remote MCP validate_ip tool.
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Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.
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AI-powered optimization API by Sematryx
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Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.
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Read-only MCP over a vault's typed knowledge graph: concept search, contradictions, article fetch.
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Capture screenshots of webpages as images or PDFs with Screenshot Scout.