registry / substrate-ai / 0.20.142

substrate-ai@0.20.142

Substrate — multi-agent orchestration daemon for AI coding agents

AI Security Review

scanned 1h ago · by lpm-firewall-ai

LPM treats this as warn-only first-party agent extension lifecycle risk. No confirmed malicious install-time or import-time attack surface was found. The package does contain first-party AI orchestration features that can expose project files and shell execution to configured model providers when users invoke the pipeline/direct backend.

Static reason

One or more suspicious static signals were detected.; previous stored version diff introduced dangerous source

Trigger

Explicit CLI use such as substrate run/factory direct backend or substrate init --install-user-scope

Impact

Remote model providers can drive local file edits and shell commands within the configured project; substrate-owned .codex/.claude artifacts may be created or pruned by explicit setup commands.

Mechanism

user-invoked agent orchestration with file/shell tools and first-party prompt/skill scaffolding

Rationale

Static inspection supports a warning for first-party agent extension setup and dangerous user-invoked AI tooling, but not a publish block: no lifecycle hook, import-time payload, credential theft, or unconsented broad agent-control mutation was found. The scanner's malicious label appears to conflate package-aligned orchestration features with covert attack behavior.

Evidence

package.jsondist/cli/index.jsdist/run-DHHryElL.jsdist/manifest-read-BgZ6mR5R.jsdist/index.js.claude/commands.claude/skills.codex/prompts.codex/skills~/.codex/prompts~/.codex/skills

Network endpoints3

api.anthropic.comapi.openai.com/v1generativelanguage.googleapis.com

Decision evidence

public snapshot

AI called this Suspicious at 86.0% confidence as Dangerous Capability with medium false-positive risk.

Evidence for warning

dist/run-DHHryElL.js exposes read_file/write_file/shell/grep/glob tools to LLM tool calls in direct backend
dist/run-DHHryElL.js sends prompts/tool schemas to Anthropic/OpenAI/Gemini endpoints using env API keys
dist/cli/index.js can scaffold .claude and .codex prompts/skills; --install-user-scope writes namespaced content to ~/.codex
dist/cli/index.js prunes only substrate/bmad-owned prompt/skill entries before copying replacements

Evidence against

package.json has no preinstall/install/postinstall lifecycle hooks
dist/cli/index.js main only runs when invoked as CLI, not on package import
Direct backend requires explicit pipeline/factory execution and provider API key env vars
User-scope Codex install is gated by explicit --install-user-scope flag
No credential harvesting or exfiltration endpoint beyond configured model provider APIs found
No broad foreign AI-agent control-surface mutation at npm install time found

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsEvalFilesystemNetworkShell

Supply chain

HighEntropyStringsUrlStrings

ManifestNo manifest risk signals triggered.

scanned 30 file(s), 2.82 MB of source, external domains: ai.google.dev, api.anthropic.com, api.openai.com, claude.ai, docs.dolthub.com, generativelanguage.googleapis.com, git-scm.com, github.com, json-schema.org, json.schemastore.org, raw.githubusercontent.com, registry.npmjs.org

Source & flagged code

9 flagged

dist/manifest-read-BgZ6mR5R.jsView file

Lines 1-28javascript

1import { createLogger } from "./logger-KeHncl-f.js";

2import { LEARNING_FINDING, createDecision, getDecisionsByCategory } from "./dist-DiNK6QOD.js";

3import * as path$1 from "path";

4import { join } from "path";

5import { readFile } from "fs/promises";

6import { EventEmitter } from "node:events";

7import { YAMLException, load } from "js-yaml";

8import { existsSync, promises, readFileSync, readdirSync, statSync } from "node:fs";

9import { execSync, spawn } from "node:child_process";

10import * as path$2 from "node:path";

High

Child Process

Package source references child process execution.

dist/manifest-read-BgZ6mR5R.jsView on unpkg · L8

11import { basename as basename$1, dirname as dirname$1, join as join$1, resolve as resolve$1 } from "node:path";

12import { z } from "zod";

13import { mkdir as mkdir$1, open, readFile as readFile$1, unlink as unlink$1, writeFile as writeFile$1 } from "node:fs/promises";

14import * as fs from "fs";

15import { createRequire } from "node:module";

16import { fileURLToPath } from "node:url";

17import { execSync as execSync$1 } from "child_process";

19//#region src/utils/git-root.ts

20/**

21* Resolve the main git repository root, even from a linked worktree.

22*

23* In the main worktree, `--git-common-dir` returns `.git` (relative).

24* In a linked worktree, it returns the absolute path to the main `.git` dir.

25* Either way, `dirname()` of the resolved absolute path yields the repo root.

26*

27* Falls back to `cwd` if not in a git repo or git is unavailable.

28*/

Lines 2109-2149javascript

2109 tier = "A";

2110 async run(context) {

2111 const start = Date.now();

2112 const cmd = context.buildCommand !== void 0 ? context.buildCommand : detectBuildCommand(context.workingDir);

2113

dist/run-DHHryElL.jsView file

•matchType = previous_version_dangerous_delta matchedPackage = substrate-ai@0.20.139 matchedIdentity = npm:c3Vic3RyYXRlLWFp:0.20.139 similarity = 0.923 summary = stored previous version shares package body but lacks this dangerous source file

Critical

Previous Version Dangerous Delta

This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.

dist/run-DHHryElL.jsView on unpkg

16import { accessSync, existsSync, mkdirSync, readFileSync, readdirSync, realpathSync, renameSync, rmSync, statSync, unlinkSync, unwatchFile, watchFile, writeFileSync } from "node:fs... L17: import { exec, execFile, execFileSync, execSync, spawn } from "node:child_process"; L18: import * as path$5 from "node:path"; ... L5782: if (existsSync(profilePath)) try { L5783: const raw = readFileSync(profilePath, "utf-8"); L5784: const parsed = yaml.load(raw); ... L35920: apiKey; L35921: baseUrl; L35922: anthropicVersion; ... L37328: "", L37329: "Available tools:", L37330: "- read_file: Read file contents with optional line range (offset/limit)",

High

Remote Agent Bridge

Source exposes local file and command tools to a remote model endpoint.

dist/run-DHHryElL.jsView on unpkg · L16

15833try { L15834: execSync(`npm install ${missingPkg}`, { L15835: cwd: resolvedRoot,

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

dist/run-DHHryElL.jsView on unpkg · L15833

dist/cli/index.jsView file

Lines 1481-1521javascript

1481 chmodSync(statuslinePath, 493);

1482 logger$18.info({ statuslinePath }, "Wrote .claude/statusline.sh");

1483}

1484async function scaffoldClaudeSettings(projectRoot) {

1485 const claudeDir = join(projectRoot, ".claude");

dist/dist-DiNK6QOD.jsView file

Lines 1-23javascript

1import { join, resolve } from "path";

2import { access, mkdir, readFile, writeFile } from "fs/promises";

3import { EventEmitter } from "node:events";

4import yaml, { dump, load } from "js-yaml";

5import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";

dist/cli/templates/statusline.shView file

•path = dist/cli/templates/statusline.sh kind = build_helper sizeBytes = 565 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

dist/cli/templates/statusline.shView on unpkg

Source & flagged code

9 flagged · loading source

dist/manifest-read-BgZ6mR5R.jsView file

8import { existsSync, promises, readFileSync, readdirSync, statSync } from "node:fs"; L9: import { execSync, spawn } from "node:child_process"; L10: import * as path$2 from "node:path";

High

Child Process

Package source references child process execution.

dist/manifest-read-BgZ6mR5R.jsView on unpkg · L8

2129detached: true, L2130: shell: true, L2131: stdio: [

High

Shell

Package source references shell execution.

dist/manifest-read-BgZ6mR5R.jsView on unpkg · L2129

dist/run-DHHryElL.jsView file

Critical

Previous Version Dangerous Delta

This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.

dist/run-DHHryElL.jsView on unpkg

High

Remote Agent Bridge

Source exposes local file and command tools to a remote model endpoint.

dist/run-DHHryElL.jsView on unpkg · L16

15833try { L15834: execSync(`npm install ${missingPkg}`, { L15835: cwd: resolvedRoot,

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

dist/run-DHHryElL.jsView on unpkg · L15833

31881try { L31882: var makeValidate = new Function("self", "RULES", "formats", "root", "refVal", "defaults", "customRules", "equal", "ucs2length", "ValidationError", sourceCode); L31883: validate$1 = makeValidate(self, RULES, formats$2, root, refVal, defaults$2, customRules, equal, ucs2length, ValidationError);

Low

Eval

Package source references a known benign dynamic code generation pattern.

dist/run-DHHryElL.jsView on unpkg · L31881

dist/cli/index.jsView file

1501try { L1502: const _require = createRequire(join(fromDir, "synthetic.js")); L1503: const pkgJsonPath = _require.resolve("bmad-method/package.json");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

dist/cli/index.jsView on unpkg · L1501

dist/dist-DiNK6QOD.jsView file

3package = substrate-ai; repositoryIdentity = substrate; dependency = js-yaml L3: import { EventEmitter } from "node:events"; L4: import yaml, { dump, load } from "js-yaml"; L5: import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";

High

Copied Package Dependency Bridge

Package metadata claims a different repository identity while copied source loads a runtime dependency bridge.

dist/dist-DiNK6QOD.jsView on unpkg · L3

dist/cli/templates/statusline.shView file

•path = dist/cli/templates/statusline.sh kind = build_helper sizeBytes = 565 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

dist/cli/templates/statusline.shView on unpkg

Findings

1 Critical5 High5 Medium5 Low

CriticalPrevious Version Dangerous Deltadist/run-DHHryElL.js

HighChild Processdist/manifest-read-BgZ6mR5R.js

HighShelldist/manifest-read-BgZ6mR5R.js

HighRemote Agent Bridgedist/run-DHHryElL.js

HighCopied Package Dependency Bridgedist/dist-DiNK6QOD.js

HighRuntime Package Installdist/run-DHHryElL.js

MediumDynamic Requiredist/cli/index.js

MediumNetwork

MediumEnvironment Vars

MediumShips Build Helperdist/cli/templates/statusline.sh

MediumStructural Risk Force Deep Review

LowScripts Present

LowEvaldist/run-DHHryElL.js

LowFilesystem

LowHigh Entropy Strings

LowUrl Strings

86%Warn

Verdict confidence

IntentDangerous Capability

TypeAgent extension lifecycle risk

False-positive riskMedium

Review stagesource_first_review

Firewall policyWarn-only agent extension risk

Package metadata

npm

AuthorAI Dev Toolkit Contributors

Maintainersmower3151

Version0.20.145

PublishedJul 6, 2026

LicenseMIT

Dependencies11

Integrityverified

Package size833 KB

Files88

Keywordsaiagentsorchestrationclitask-graphrouting

LinksRepository Homepage Issues

Runtime surface

package.json

Entrypointsmain → ./dist/index.jstypes → ./dist/index.d.tsexports mapbin → substrate

Runtimenode >=22.0.0

Artifact3.28 MB · 88 files1 signature(s) · provenance

Install lifecycleNo install hooks · other: agent-memory:bootstrap, build, check:circular, clean +8

Behavioral surface

ChildProcessCryptoDynamicRequireEnvironmentVarsEvalFilesystemNetworkShellHighEntropyStringsUrlStringsManifest: clean

Source & flagged code

9 flagged

dist/manifest-read-BgZ6mR5R.jsView file

Lines 1-28javascript

1import { createLogger } from "./logger-KeHncl-f.js";

2import { LEARNING_FINDING, createDecision, getDecisionsByCategory } from "./dist-DiNK6QOD.js";

3import * as path$1 from "path";

4import { join } from "path";

5import { readFile } from "fs/promises";

6import { EventEmitter } from "node:events";

7import { YAMLException, load } from "js-yaml";

8import { existsSync, promises, readFileSync, readdirSync, statSync } from "node:fs";

9import { execSync, spawn } from "node:child_process";

10import * as path$2 from "node:path";

High

Child Process

Package source references child process execution.

dist/manifest-read-BgZ6mR5R.jsView on unpkg · L8

11import { basename as basename$1, dirname as dirname$1, join as join$1, resolve as resolve$1 } from "node:path";

12import { z } from "zod";

13import { mkdir as mkdir$1, open, readFile as readFile$1, unlink as unlink$1, writeFile as writeFile$1 } from "node:fs/promises";

14import * as fs from "fs";

15import { createRequire } from "node:module";

16import { fileURLToPath } from "node:url";

17import { execSync as execSync$1 } from "child_process";

19//#region src/utils/git-root.ts

20/**

21* Resolve the main git repository root, even from a linked worktree.

22*

23* In the main worktree, `--git-common-dir` returns `.git` (relative).

24* In a linked worktree, it returns the absolute path to the main `.git` dir.

25* Either way, `dirname()` of the resolved absolute path yields the repo root.

26*

27* Falls back to `cwd` if not in a git repo or git is unavailable.

28*/

Lines 2109-2149javascript

2109 tier = "A";

2110 async run(context) {

2111 const start = Date.now();

2112 const cmd = context.buildCommand !== void 0 ? context.buildCommand : detectBuildCommand(context.workingDir);

2113

dist/run-DHHryElL.jsView file

Critical

Previous Version Dangerous Delta

This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.

dist/run-DHHryElL.jsView on unpkg

High

Remote Agent Bridge

Source exposes local file and command tools to a remote model endpoint.

dist/run-DHHryElL.jsView on unpkg · L16

15833try { L15834: execSync(`npm install ${missingPkg}`, { L15835: cwd: resolvedRoot,

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

dist/run-DHHryElL.jsView on unpkg · L15833

dist/cli/index.jsView file

Lines 1481-1521javascript

1481 chmodSync(statuslinePath, 493);

1482 logger$18.info({ statuslinePath }, "Wrote .claude/statusline.sh");

1483}

1484async function scaffoldClaudeSettings(projectRoot) {

1485 const claudeDir = join(projectRoot, ".claude");

dist/dist-DiNK6QOD.jsView file

Lines 1-23javascript

1import { join, resolve } from "path";

2import { access, mkdir, readFile, writeFile } from "fs/promises";

3import { EventEmitter } from "node:events";

4import yaml, { dump, load } from "js-yaml";

5import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs";

dist/cli/templates/statusline.shView file

•path = dist/cli/templates/statusline.sh kind = build_helper sizeBytes = 565 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

dist/cli/templates/statusline.shView on unpkg