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Security2026-03-23 · source-backed
Sondera intercepts every shell command, file operation, and web request from coding agents and adjudicates them with Cedar — the same formal policy engine used by AWS. Unlike probabilistic LLM guardrails, these rules are deterministic. Rust binaries, stateful trajectory stores, works across Claude Code, Cursor, GitHub Copilot, and Gemini CLI. Presented at Unprompted 2026 with a live demo blocking rm -rf.
Each link below shares sources, entities, or timing with this story.
Cursor benchmarked against Codex / Shared entities / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (Cursor benchmarked against Codex); both cover Claude Code, Cursor, Gemini CLI, Rust; reported by the same outlet (github.com).
Claude Code competes with Cursor / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude Code competes with Cursor); both cover Claude Code, Cursor, Gemini CLI, Rust; reported by the same outlet (github.com).
Agent Skills supports Cursor / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Agent Skills supports Cursor); both cover Claude Code, Cursor, Gemini CLI, GitHub Copilot; reported by the same outlet (github.com).
Cursor benchmarked against Codex / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Cursor benchmarked against Codex); both cover Claude Code, Cursor, Gemini CLI, LLM; reported by the same outlet (github.com).
Uber uses Cursor / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Uber uses Cursor); both cover Claude Code, Cursor, LLM, Rust; reported by the same outlet (github.com).
chrome-devtools-mcp supports Cursor / Shared entities / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (chrome-devtools-mcp supports Cursor); both cover Claude Code, Cursor, Gemini CLI, GitHub Copilot; reported by the same outlet (github.com).
Claude Code competes with Cursor / Shared entities / Same source domain / Shared topic
Linked by a graph relationship (Claude Code competes with Cursor); both cover Claude Code, Cursor, Gemini CLI, LLM; reported by the same outlet (github.com).
Cursor competes with GitHub Copilot / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Cursor competes with GitHub Copilot); both cover Claude Code, Cursor, Gemini CLI, GitHub Copilot; overlapping topics (agent, claude, code, coding, copilot).