External specifications, protocols, and related work referenced in the ACK documentation.
Download a light paper overview of ACK.
Announcing the Agent2Agent Protocol (A2A) Source: Google for Developers Blog
Coinbase x402 Protocol Repository Source: Coinbase GitHub
Decentralized Identifiers (DIDs) v1.0 Source: W3C Recommendation
Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content (Section 6.5.2: 402 Payment Required) Source: IETF RFC 7231
JSON Web Token (JWT) Source: IETF RFC 7519
L402 Protocol Source: l402 GitHub
LangChain Documentation (Python) Source: LangChain Project
LOKA Protocol: A Decentralized Framework for Trustworthy and Ethical Al Agent Ecosystems Source: Ranjan, R., Gupta, S., & Singh, S. N. (arXiv preprint)
Model Context Protocol (MCP) Specification Source: Model Context Protocol Project
Verifiable Credentials Data Model v1.1 Source: W3C Recommendation