registry / @tera-system/core / 0.2.0
@tera-system/core@0.2.0
INTERNAL (personal edition) - not a licensed product. Commercial clients must use @tera-system/pro. This package requires authorization and will be restricted.
Tera System OpenCode Plugin — governance core, 20 agents, 11 commands, distribution tools (personal edition)
AI Security Review
scanned 11d ago · by lpm-firewall-aiThe automatic OpenCode workspace changes warrant a warning for agent extension lifecycle risk. The flagged build helper is a package packing and hashing script, and the inspected source does not establish concrete attack behavior.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review; previous stored version diff introduced dangerous source
Trigger
Installing the package with npm runs its postinstall hook.
Impact
The workspace gains package-provided agent instructions and, when the default config is installed, enabled local MCP commands.
Mechanism
The installer copies bundled agent and command files into the workspace and installs the example OpenCode config when no config already exists.
AI rationale
The automatic OpenCode workspace changes warrant a warning for agent extension lifecycle risk. The flagged build helper is a package packing and hashing script, and the inspected source does not establish concrete attack behavior.
Evidence
package.jsonscripts/install.jsopencode.tera.example.json.opencode/agents.opencode/commands.opencode/opencode.json
Decision evidence
public snapshotAI called this Suspicious at 94.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The package runs scripts/install.js automatically after installation.
- The installer copies bundled agents and commands into the target OpenCode workspace.
- When no OpenCode config exists, the installer can add a default config that enables two local MCP commands through npx; a differing existing config is kept.
- The flagged build helper packs the package and computes hashes; that alone does not establish malicious behavior.
Evidence against
- The installer preserves a differing existing OpenCode config and records ownership for files it installs.
- The inspected installer and build helper provide no evidence of credential transfer or a malicious network action.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemShell
HighEntropyStringsUrlStrings
NoLicense
Source & flagged code
6 flagged · loading sourcepackage.jsonView file
•scripts.postinstall = node scripts/install.js
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg•scripts.postinstall = node scripts/install.js
Medium
Ambiguous Install Lifecycle Script
Install-time lifecycle script is not statically allowlisted and needs review.
package.jsonView on unpkgscripts/install.jsView file
10* - Never overwrites a file it does not own.
L11: * - Tracks ownership via `.opencode/tera-core.manifest.json`.
L12: * - Only updates files it owns, always keeping a backup first.
L13: * - Idempotent: re-running is safe; identical files are skipped.
L14: * - Never touches an existing user `opencode.json`.
L15: *
...
L65: function copyFile(src, dest) {
L66: fs.mkdirSync(path.dirname(dest), { recursive: true });
L67: fs.copyFileSync(src, dest);
L68: }
...
L70: function loadOwnership(target) {
L71: const p = path.join(target, ".opencode", MANIFEST_NAME);
Findings
1 Critical3 High4 Medium5 Low
CriticalAi Agent Control Hijackscripts/install.js
HighInstall Time Lifecycle Scriptspackage.json
HighKnown Malware Source Similarityscripts/build.mjs
HighPrevious Version Dangerous Deltascripts/build.mjs
MediumAmbiguous Install Lifecycle Scriptpackage.json
MediumEnvironment Vars
MediumShips Build Helpertools/tera-fetch.ps1
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
LowNo License
Affected versions and remediation
This report applies to @tera-system/core@0.2.0.
See all versions of @tera-system/core for other recorded verdicts.
- Review the evidence and your use of @tera-system/core@0.2.0 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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