PayPal AI Hackathon 2026 entry. A payment firewall for AI agents: every payment an agent tries is checked against your rules before it reaches PayPal, and Z3 proves the agent's permission can never exceed them. Stops prompt injection, overspending and lookalike shops. PayPal Agent Toolkit + MCP.
Cross-referenced across 55 tracked directories
#2872
Popularity Rank
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Adoption Stage
10/22/2026
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10/22/2026
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Recently added to the ecosystem
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bytedance
The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra
Erick Friis <[email protected]>
Building applications with LLMs through composability
klim.paskov
One-time non-executable namespace claim for OIDC trusted-publisher setup.
letta-ai
Letta is the platform for building stateful agents: AI with advanced memory that can learn and self-improve over time.