RFC 8785: JSON Canonicalization Scheme (JCS)
PulseAugur coverage of RFC 8785: JSON Canonicalization Scheme (JCS) — every cluster mentioning RFC 8785: JSON Canonicalization Scheme (JCS) across labs, papers, and developer communities, ranked by signal.
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UT Austin releases UTA v5.1 with crypto fingerprinting and bug fixes
The University of Texas at Austin has released version 5.1 of its UTA tool, incorporating three new features and four fixes over a 60-day development cycle. Key improvements include cryptographic tool fingerprinting, an…
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Chainlit fixes critical RCE; AI agent security logs remain untrustworthy
Chainlit has released version 2.12.0 to fix a critical remote code execution vulnerability (CVE-2026-45018) that allowed unauthenticated attackers to execute arbitrary shell commands. This vulnerability, along with othe…
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New tool secures MCP tool calls with 3-line CI integration
A developer has released a new tool, `ccs-lint-action`, designed to secure Model Context Protocol (MCP) tool calls by detecting and flagging unsigned or improperly nested integrity fields within JSON responses. This act…
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New linter detects forged data attacks in MCP tool-call receipts
Researchers have identified a security vulnerability in the Model Context Protocol (MCP) where a compromised upstream service can inject forged data into tool-call receipts. This attack exploits proxies that do not recu…
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Two independent CCS implementations pass all 14 interoperability checks
Two independent implementations of the Correctover Conformance Shape (CCS) specification have successfully passed all 14 interoperability checks, demonstrating the specification's robustness. The CCS, an IETF Internet-D…
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AliceLabs LLC fixes canonical JSON bug, passes RFC 8785 verification
Edgar Flores of AliceLabs LLC has fixed a bug in their canonical JSON implementation that was causing signature verification failures. The issue involved incorrectly escaping forward slashes in URLs, leading to longer s…
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Agent Trust Card spec hit by critical verification bug; fix underway
A critical bug has been identified in the ATC/1.0 (Agent Trust Card) specification, where none of the 57 live cards issued before the spec's publication could be verified. The issue stems from the use of a pre-spec JSON…
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MarketNow fixes ATC card verification after canonicalization flaws found
An independent verifier identified discrepancies in how MarketNow's ATC cards were being verified, specifically concerning the canonicalization of JSON data. The issuer acknowledged the issues, which stemmed from using …
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Agent Trust Card system fixes bugs, enhances security against key compromise
The author addresses feedback on the Agent Trust Card (ATC) system, detailing fixes for canonicalization bugs that affected signature verification. The system now uses RFC 8785 for JSON Canonicalization Scheme, ensuring…
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MarketNow launches free Agent Trust Cards for MCP server verification
MarketNow has introduced Agent Trust Cards (ATC), a system for verifying the identity and trustworthiness of MCP servers. These Ed25519-signed cards, based on RFC 8032 and RFC 8785, provide information on identity, issu…
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Author addresses comments on MCP monitoring and security features
The author of this post is addressing comments and feedback received on previous articles regarding their work on MCP (likely a security or monitoring system). They clarify distinctions between different levels of monit…
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Muster 1.0.0 released to test AI agent files and behavior
Muster, a new tool for testing AI agents, has released version 1.0.0. It addresses the complexity of modern AI agents, which are composed of multiple files defining aspects like persona, skills, and memory. Muster perfo…