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@titan-design/active-work@0.4.0: AI-agent control-surface risk | LPM Firewall

registry / @titan-design/active-work / 0.4.0

@titan-design/active-work@0.4.0

Durable workspace state for engineering work — CLI, MCP, and Claude skill for tracking initiatives across sessions

AI Security Review

scanned 27d ago · by lpm-firewall-ai

LPM flags this version as an AI-agent control-surface risk. Installing the package automatically alters an existing Claude Code installation. It replaces a named installed skill and adds an executable slash-command definition.

Static reason

High-risk behavior combination matched malicious policy.; previous stored version diff introduced dangerous source

Trigger

npm installation of the package on a machine where ~/.claude exists.

Impact

A package install changes the AI agent's available instructions and command surface without an explicit user setup action.

Mechanism

Postinstall copies package-controlled skill and command files into Claude Code directories.

Policy narrative

The npm postinstall hook checks for an existing Claude Code directory, deletes any installed active-work skill, then copies the package's skill there and writes a slash command. This happens during package installation rather than through the package's interactive setup command. The injected command executes the package CLI when used, making the package an automatic modifier of a foreign AI-agent control surface.

AI rationale

The automatic postinstall mutation of ~/.claude installs package-controlled agent instructions and a command into a pre-existing AI-agent environment without explicit consent. This meets the install-control-surface blocking policy even though no network exfiltration was found.

Evidence

package.jsonscripts/postinstall.jsclaude-commands/aw-prompt.mdskill/~/.claude/skills/active-work~/.claude/commands/aw-prompt.md

Decision evidence

Source & flagged code

7 flagged · loading source

package.jsonView file

•scripts.postinstall = node scripts/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node scripts/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

dist/cli.jsView file

127Trigger-reachable persistence chain: manifest.bin -> dist/cli.js L127: } L128: const cwd = path.resolve(process.cwd()); L129: if (isInside(cwd, from)) { ... L903: frontmatter: raw.frontmatter, L904: body: raw.body, L905: prefix ... L1522: } L1523: function parseWorktreePorcelain(stdout) { L1524: const out = []; ... L2049: function claudeProjectsRoot() { L2050: const override = process.env.CLAUDE_PROJECTS_ROOT; L2051: if (override && override.length > 0) {

High

Trigger Reachable Persistence

A manifest entrypoint or package-local install chain reaches persistence behavior.

dist/cli.jsView on unpkg · L127

•matchType = previous_version_dangerous_delta matchedPackage = @titan-design/active-work@0.7.0 matchedIdentity = npm:[redacted]:0.7.0 similarity = 0.833 summary = stored previous version shares package body but lacks this dangerous source file

High

Previous Version Dangerous Delta

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

dist/cli.jsView on unpkg

127} L128: const cwd = path.resolve(process.cwd()); L129: if (isInside(cwd, from)) { ... L903: frontmatter: raw.frontmatter, L904: body: raw.body, L905: prefix ... L1522: } L1523: function parseWorktreePorcelain(stdout) { L1524: const out = []; ... L2049: function claudeProjectsRoot() { L2050: const override = process.env.CLAUDE_PROJECTS_ROOT; L2051: if (override && override.length > 0) {

Medium

Install Persistence

Source writes installer persistence such as shell profile or service configuration.

dist/cli.jsView on unpkg · L127

scripts/postinstall.jsView file

1// Copy the bundled Claude Code skill into ~/.claude/skills/active-work/ and the L2: // /aw-prompt slash command into ~/.claude/commands/ when ~/.claude exists. Skip L3: // silently otherwise. Fail-soft: never abort an npm install if a copy fails. L4: import { existsSync, mkdirSync, cpSync, copyFileSync, rmSync } from 'node:fs'; L5: import { join, dirname } from 'node:path'; ... L12: const commandSource = join(__dirname, '..', 'claude-commands', 'aw-prompt.md'); L13: const claudeDir = join(homedir(), '.claude'); L14: const claudeSkillsDir = join(claudeDir, 'skills', 'active-work'); ... L29: } L30: mkdirSync(claudeSkillsDir, { recursive: true }); L31: cpSync(skillSource, claudeSkillsDir, { recursive: true }); L32: console.log(`active-work: installed Claude Code skill to ${claudeSkillsDi

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

scripts/postinstall.jsView on unpkg · L1

dist/chunk-BK25ASXA.jsView file

•stage = ast_semantic_analysis; reason = ast_alias_growth_limit_exceeded; limitedFiles = 2

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

dist/chunk-BK25ASXA.jsView on unpkg

Source & flagged code

7 flagged

package.jsonView file

Lines 27-67json

27 "engines": {

28 "node": ">=22"

29 },

30 "packageManager": "pnpm@10.28.1",

31 "scripts": {

32 "dev": "tsx src/cli.ts",

33 "build": "tsup && pnpm build:dashboard",

34 "build:cli": "tsup",

35 "build:dashboard": "vite build --config src/dashboard/vite.config.ts",

36 "gen:cli-reference": "pnpm build:cli && node scripts/gen-cli-reference.mjs",

37 "mine:session": "node tools/mine-session-signals.mjs",

38 "index:session": "node tools/build-session-index.mjs",

39 "mine:files": "node tools/mine-file-history.mjs",

40 "mine:drain": "node tools/mine-drain.mjs",

41 "mine:drain-eval": "node tools/eval-drain.mjs",

42 "export:aw-data": "node tools/export-aw-data.mjs",

43 "cost:rollup": "node tools/cost-rollup.mjs",

44 "eval:miner": "node tools/eval-miner.mjs",

45 "index:eval": "node tools/eval-session-index.mjs",

46 "check:tools": "for f in tools/*.mjs; do node --check \"$f\" || exit 1; done && node -e \"JSON.parse(require('fs').readFileSync('tools/pricing/models.json','utf8'))\"",

47 "postinstall": "node scripts/postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L47

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg · L47

48 "preuninstall": "node scripts/preuninstall.js",

49 "test": "vitest run",

50 "test:watch": "vitest",

51 "test:unit": "vitest run --project unit",

52 "test:integration": "vitest run --project integration",

53 "test:coverage": "vitest run --coverage",

54 "typecheck": "tsc --noEmit",

55 "lint": "eslint src __tests__ --no-error-on-unmatched-pattern",

56 "format": "prettier --write \"src/**/*.ts\" \"__tests__/**/*.ts\"",

57 "format:check": "prettier --check \"src/**/*.ts\" \"__tests__/**/*.ts\""

58 },

59 "devDependencies": {

60 "@eslint/js": "^9.39.4",

61 "@types/better-sqlite3": "^7.6.13",

62 "@types/node": "^22.10.5",

63 "@types/proper-lockfile": "^4.1.4",

64 "@types/react": "^19.2.14",

65 "@types/react-dom": "^19.2.3",

66 "@vitejs/plugin-react": "^6.0.1",

67 "@vitest/coverage-v8": "^3.2.7",

dist/cli.jsView file

Lines 107-147javascript

107}

108function yearMonth() {

109 const d = /* @__PURE__ */ new Date();

110 const y = d.

scripts/postinstall.jsView file

Lines 1-21javascript

1// Copy the bundled Claude Code skill into ~/.claude/skills/active-work/ and the

2// /aw-prompt slash command into ~/.claude/commands/ when ~/.claude exists. Skip

3// silently otherwise. Fail-soft: never abort an npm install if a copy fails.

4import { existsSync, mkdirSync, cpSync, copyFileSync, rmSync } from 'node:fs';

5import { join, dirname } from 'node:path';

6import { homedir } from

dist/chunk-BK25ASXA.jsView file

•stage = ast_semantic_analysis; reason = ast_alias_growth_limit_exceeded; limitedFiles = 2

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

dist/chunk-BK25ASXA.jsView on unpkg