Current Release
v5.1.0 — Agent State Governance and Fail-Closed Hardening
AgentStateGuard for deterministic state verification, plus fail-closed hardening across execution, tool governance, math tolerance, and schema validation.
Install
Release History
v5.1.0 — Agent State Governance and Fail-Closed Hardening (April 19, 2026)
v5.1.0 — Agent State Governance and Fail-Closed Hardening (April 19, 2026)
AgentStateGuard for deterministic state verification · Legacy
CodeExecutor hard-blocked · Default-deny for unknown tools · Bounded math tolerance · verify_logic_rule / verify_identity fail-closed · Ambiguous math expressions blocked · Schema uniqueItems fail-closed · SDK 5.1.0 across Python, TypeScript, Go.Full Release Notes → · GitHub Release ↗v5.0.0 — Enforcement Boundary Hardening (April 4, 2026)
v5.0.0 — Enforcement Boundary Hardening (April 4, 2026)
98 commits · Fail-closed verification boundary ·
INCONCLUSIVE status for LLM-translated math · trust_boundary metadata in responses · Mandatory ActionContext for agents · Replay/loop detection · Redis fail-closed rate limiting · Docker required for stats/consensus · security_checks field removed · Admin-only /metrics · SDK 5.0.0 across Python, TypeScript, Go.Full Release Notes → · GitHub Release ↗v4.0.1 — Sentinel Guard Sync (March 23, 2026)
v4.0.1 — Sentinel Guard Sync (March 23, 2026)
TypeScript SDK alignment ·
POST /verify/process endpoint · Agent security checks (exfiltration, mcp_poison) · Security fixes (info disclosure, symbolic precision) · @qwed-ai/sdk@4.0.1.Full Release Notes → · GitHub Release ↗v4.0.0 — Sentinel Edition (March 12, 2026)
v4.0.0 — Sentinel Edition (March 12, 2026)
147 commits · Agentic Security Guards (RAGGuard, ExfiltrationGuard, MCP Poison Guard) · SovereigntyGuard · ToxicFlowGuard · S-CoT Guard · Process Determinism (ProcessVerifier) · Critical security fixes (eval removal, sandbox escape, CVE patches) · Docker hardening · Sentry + CircleCI + SonarCloud + Snyk integration.Full Release Notes → · GitHub Release ↗
v3.0.1 — Ironclad Update (February 4, 2026)
v3.0.1 — Ironclad Update (February 4, 2026)
Security patch — CodeQL remediation (50+ alerts), workflow permissions lockdown, PII protection, Snyk partner attribution.GitHub Release ↗
v2.4.1 — The Reasoning Engine (January 20, 2026)
v2.4.1 — The Reasoning Engine (January 20, 2026)
Optimization Engine, Vacuity Checker, Dockerized GitHub Action, improved logic verifier.GitHub Release ↗
Links
PyPI
Python package
Docker Hub
Container image
npm
TypeScript SDK
crates.io
Rust SDK
GitHub
All releases
Go Module
Go SDK