feat: v0.6.0 — make all 8 agents free, remove licensing system

Remove Open Core model: all agents are now free and open source.
Deleted HMAC license validation, PRO tier gating, and --free CLI flag.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: talionwar

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 All notable changes to Fondamenta ArchCode are documented here.
 
+## [0.6.0] - 2026-03-16
+
+### Changed
+- **All 8 agents are now free** — removed Open Core licensing, all agents available without license key
+- Removed `license.ts` (HMAC validation), `--free` CLI flag, license config field, tier badges
+- Version bump to 0.6.0
+
+### Removed
+- PRO/free tier distinction — all agents are now tier `free`
+- License validation system (HMAC-based)
+- `validateLicense()` and `generateLicenseKey()` exports
+
 ## [0.4.0] - 2026-03-12
 
 ### Added

README.md

@@ -173,27 +173,21 @@ Zero runtime dependencies after analysis — output is plain Markdown.
 
 ### `fondamenta agents`
 
-Run 8 code health agents (3 free, 5 PRO) that analyze your project graph and produce actionable findings.
+Run 8 code health agents that analyze your project graph and produce actionable findings. All agents are free and open source.
 
 ```bash
-fondamenta agents              # All available agents
-fondamenta agents --free       # Free agents only
+fondamenta agents              # All agents
 fondamenta agents --agent dead-code  # Single agent
 fondamenta agents --ci         # Exit code 1 if errors found
 fondamenta agents --report     # Generate AGENTS-REPORT.md
-fondamenta agents --list       # List all agents with tier
+fondamenta agents --list       # List all agents
 ```
 
-**Free agents:**
 | Agent | What it checks |
 |-------|---------------|
 | `dead-code` | Orphan components, unused exports, unreferenced lib files |
 | `circular-deps` | Circular import chains (DFS cycle detection) |
 | `architecture-guard` | Oversized files, god components, unprotected mutation routes |
-
-**PRO agents** (license required):
-| Agent | What it checks |
-|-------|---------------|
 | `security-scanner` | Auth gaps, env var leaks, insecure patterns |
 | `schema-drift` | Code↔schema model mismatches |
 | `performance-sentinel` | Heavy pages, unnecessary client components, API waterfalls |
@@ -292,15 +286,13 @@ git add .planning/
 - [x] `fondamenta watch` (incremental rebuild)
 - [x] `fondamenta diff` (show changes since last analysis)
 - [x] AI context generation (`.cursorrules`, `CLAUDE.md`, copilot instructions)
-- [x] Code health agents (8 agents: dead code, circular deps, security, performance, etc.)
-- [x] Open Core licensing (3 free + 5 PRO)
+- [x] Code health agents (8 agents, all free: dead code, circular deps, security, performance, etc.)
 - [x] Manual sections preservation (marker-based + split-point)
 - [x] Incremental mode (`--incremental` via git diff)
 - [x] writeIfChanged (zero-noise git diffs)
 - [x] Test suite (120+ tests, CI with GitHub Actions)
 - [ ] GitHub Action (marketplace)
 - [ ] Multi-framework support (Nuxt, SvelteKit, Remix)
-- [ ] Ed25519 license validation (upgrade from HMAC)
 
 ## Contributing
 

examples/demo-fullstack/README.md

@@ -72,11 +72,11 @@ Key findings:
 | 5 | Agent: dead-code | `components/OrphanCard.tsx`, `lib/unused-helper.ts` | Orphan component + orphan libs |
 | 6 | Agent: circular-deps | `circular/module-a.ts → b → c → a` | 3-file import cycle |
 | 7 | Agent: architecture-guard | `app/dashboard/page.tsx` (19 imports) | God component warning |
-| 8 | Agent: security-scanner | `app/api/orders/route.ts` (no auth) | Unprotected mutation (PRO) |
-| 9 | Agent: schema-drift | `lib/payments.ts` (uses `Payment` model) | Model not in schema (PRO) |
-| 10 | Agent: performance-sentinel | `app/dashboard/page.tsx` (19 imports) | Heavy page (PRO) |
-| 11 | Agent: convention-enforcer | `components/DashboardStats.tsx` (PascalCase) | Naming check (PRO) |
-| 12 | Agent: impact-analyzer | `components/ui/Button.tsx` (high fan-in) | Hub component (PRO) |
+| 8 | Agent: security-scanner | `app/api/orders/route.ts` (no auth) | Unprotected mutation |
+| 9 | Agent: schema-drift | `lib/payments.ts` (uses `Payment` model) | Model not in schema |
+| 10 | Agent: performance-sentinel | `app/dashboard/page.tsx` (19 imports) | Heavy page |
+| 11 | Agent: convention-enforcer | `components/DashboardStats.tsx` (PascalCase) | Naming check |
+| 12 | Agent: impact-analyzer | `components/ui/Button.tsx` (high fan-in) | Hub component |
 | 13 | Watch mode | Run: `fondamenta watch` | Auto-regenerate on file changes |
 | 14 | Diff mode | `.planning/.fondamenta-state.json` | `fondamenta diff` shows changes |
 | 15 | AI context | `CLAUDE.md` (pre-generated) | AI-readable project summary |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fondamenta-archcode",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "Zero-dependency codebase intelligence for AI agents. Static analysis → structured Markdown.",
   "type": "module",
   "bin": {

src/agents/index.ts

@@ -1,13 +1,9 @@
-import type { Agent, AgentResult, AgentsRunSummary, AgentsConfig } from './types.js';
+import type { Agent, AgentResult, AgentsRunSummary } from './types.js';
 import type { ProjectGraph, FondamentaConfig } from '../types/index.js';
-import { validateLicense } from './license.js';
 
-// Free agents
 import { deadCodeAgent } from './free/dead-code.js';
 import { circularDepsAgent } from './free/circular-deps.js';
 import { architectureGuardAgent } from './free/architecture-guard.js';
-
-// PRO agents
 import { securityScannerAgent } from './pro/security-scanner.js';
 import { schemaDriftAgent } from './pro/schema-drift.js';
 import { performanceSentinelAgent } from './pro/performance-sentinel.js';
@@ -17,11 +13,9 @@ import { impactAnalyzerAgent } from './pro/impact-analyzer.js';
 // --- Registry ---
 
 export const ALL_AGENTS: Agent[] = [
-  // Free
   deadCodeAgent,
   circularDepsAgent,
   architectureGuardAgent,
-  // PRO
   securityScannerAgent,
   schemaDriftAgent,
   performanceSentinelAgent,
@@ -40,7 +34,6 @@ export function listAgents(): Agent[] {
 // --- Runner ---
 
 export interface RunAgentsOptions {
-  freeOnly?: boolean;
   agentIds?: string[];
 }
 
@@ -50,7 +43,6 @@ export function runAgents(
   options: RunAgentsOptions = {},
 ): AgentsRunSummary {
   const start = Date.now();
-  const license = validateLicense(config.agents?.license);
   const results: AgentResult[] = [];
 
   let agents = ALL_AGENTS;
@@ -60,11 +52,6 @@ export function runAgents(
     agents = agents.filter((a) => options.agentIds!.includes(a.id));
   }
 
-  // Filter by free only
-  if (options.freeOnly) {
-    agents = agents.filter((a) => a.tier === 'free');
-  }
-
   // Filter by config exclude
   const excluded = new Set(config.agents?.exclude ?? []);
 
@@ -82,19 +69,6 @@ export function runAgents(
       continue;
     }
 
-    // Skip PRO agents without valid license
-    if (agent.tier === 'pro' && !license.valid) {
-      results.push({
-        agentId: agent.id,
-        tier: agent.tier,
-        findings: [],
-        durationMs: 0,
-        skipped: true,
-        skipReason: 'PRO license required',
-      });
-      continue;
-    }
-
     // Run the agent
     const agentStart = Date.now();
     try {
@@ -139,6 +113,5 @@ export function runAgents(
 }
 
 // Re-exports
-export type { Agent, AgentFinding, AgentResult, AgentsRunSummary, AgentsConfig, LicenseInfo } from './types.js';
-export { validateLicense, generateLicenseKey } from './license.js';
+export type { Agent, AgentFinding, AgentResult, AgentsRunSummary } from './types.js';
 export { printAgentResult, printFindings, printSummary, generateAgentsReport } from './reporter.js';

src/agents/license.ts

@@ -5,7 +5,7 @@ export const conventionEnforcerAgent: Agent = {
   id: 'convention-enforcer',
   name: 'Convention Enforcer',
   description: 'Checks naming conventions, barrel exports, and consistency of auth patterns',
-  tier: 'pro',
+  tier: 'free',
 
   run(graph: ProjectGraph, _config: FondamentaConfig): AgentFinding[] {
     const findings: AgentFinding[] = [];

src/agents/pro/convention-enforcer.ts

@@ -8,7 +8,7 @@ export const impactAnalyzerAgent: Agent = {
   id: 'impact-analyzer',
   name: 'Impact Analyzer',
   description: 'Identifies high fan-in/fan-out nodes, hub components, and articulation points in the graph',
-  tier: 'pro',
+  tier: 'free',
 
   run(graph: ProjectGraph, _config: FondamentaConfig): AgentFinding[] {
     const findings: AgentFinding[] = [];

src/agents/pro/impact-analyzer.ts

@@ -5,7 +5,7 @@ export const performanceSentinelAgent: Agent = {
   id: 'performance-sentinel',
   name: 'Performance Sentinel',
   description: 'Detects heavy pages, unnecessary client components, and API call waterfalls',
-  tier: 'pro',
+  tier: 'free',
 
   run(graph: ProjectGraph, config: FondamentaConfig): AgentFinding[] {
     const maxPageImports = config.agents?.thresholds?.maxPageImports ?? 20;

src/agents/pro/performance-sentinel.ts

@@ -5,7 +5,7 @@ export const schemaDriftAgent: Agent = {
   id: 'schema-drift',
   name: 'Schema Drift Detector',
   description: 'Finds models referenced in code but missing from schema, and schema models never used in code',
-  tier: 'pro',
+  tier: 'free',
 
   run(graph: ProjectGraph, _config: FondamentaConfig): AgentFinding[] {
     const findings: AgentFinding[] = [];