Compare // agentic AI controls
Protocol comparison
Honest positioning for teams evaluating AI-assisted commit provenance — without naming competitors.
Protocol comparison
Ed25519
commit envelopes
offline-verifiable proof
local-only
CLI & HOOKS
repo never uploaded
Scroll Gate
PR enforcement
signed vs unsigned
SSX360
control plane
identity · billing · audit
Commit provenance, not build artifacts alone
Matrix Scroll records who or what signed each commit before merge. That complements SLSA and in-toto — it does not replace them.
Sigstore proves a key built an artifact in CI. Matrix Scroll proves who authorized the agent to write the code before push.
| Integrity vector | Standard GPG | Sigstore / in-toto | Matrix Scroll |
|---|---|---|---|
| Identity verification | Human committer | Developer OIDC | Signed actor/tool declaration |
| Line-level attribution | None | Whole commit metadata | Self-reported actor/tool at commit time |
| Offline generation checks | Requires GPG key server | Requires OpenID connection | Fully offline signature match |
| Hardware root | YubiKey support | Hardware token profiles | NXP SE050 secure element — pilot / preview |
When proof is created
Typical alternatives
GPG signs commits ad hoc; SLSA and in-toto attest build artifacts after CI completes.
Matrix Scroll + SSX360
Matrix Scroll signs at commit time via post-commit hook — before merge — capturing declared actor, tool, and scope metadata for every AI-assisted change.
Agent workflow fit
Typical alternatives
GPG key management is human-centric; artifact attestations rarely attach to every agent commit in a PR range.
Matrix Scroll + SSX360
Python-first: pip install, post-commit hooks, MCP provenance verbs for Cursor, Claude, and VS Code — same envelope contract in CI.
Offline verification
Typical alternatives
GPG web-of-trust is brittle; SLSA/in-toto verification typically needs registry or builder infrastructure online.
Matrix Scroll + SSX360
RFC 8032 Ed25519 envelopes verify offline in CLI, browser, and CI — same bytes, same contract, no IDE session required.
Scroll Gate enforcement
Typical alternatives
GPG on protected branches is policy-by-convention; SLSA gates focus on build outputs not commit authorship.
Matrix Scroll + SSX360
Scroll Gate verifies signed vs unsigned commits across the full PR range in GitHub Actions — warn or enforce before merge.
Hosted audit trail
Typical alternatives
GPG has no standard audit export; SLSA provenance stores build metadata, not per-commit agent attribution.
Matrix Scroll + SSX360
SSX360 Team+ stores envelope history and exports evidence packs with actor, tool, scope, and verification metadata.
Root of trust upgrade
Typical alternatives
Smart cards and HSMs exist but rarely integrate with agent IDE loops out of the box.
Matrix Scroll + SSX360
Emulated Ed25519 ships today; NXP SE050 secure-element signing passed its first PoC milestone (bench-validated, Jul 2026) — same verifier contract, stronger key residency, productization in progress.
Scroll Gate runs in your CI today.
Community tier includes 100 hosted verifications per day. Book an Authorization Pilot when you are ready to enforce on protected branches.