@article{unicodetagblockconcealmentoftoolmetadata,
  title = {Unicode TAG-Block Concealment of Tool-Metadata Payloads in the Model Context Protocol: An Approval-View Fidelity Gap Across Three Independent Server Implementations},
  author = {Mohammadreza Rashidi},
  year = {2026},
  eprint = {2607.05744},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.05744},
}