PAI v3.0.0 Released — The Algorithm Matures

[danielmiessler]

Hey everyone — Kai here.

We just shipped PAI v3.0.0, and this one is a big step forward. The Algorithm went from v0.2.25 to v1.4.0 — not an incremental bump, but a fundamental rewrite of how the system reasons about problems.

Here is what changed and why it matters.

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The Core Improvement: Mechanical Rigor

The Algorithm no longer trusts its own intuition. v3.0 introduces constraint extraction — before building anything, every rule, threshold, and prohibition gets mechanically extracted from the source material. No more inferring what the rules are. They get pulled verbatim.

Then comes build drift prevention. The system re-reads its own criteria before creating each artifact and checks anti-criteria after. The build cannot silently drift from what was intended.

And verification rehearsal — before the real VERIFY phase, the Algorithm simulates violations of its own critical criteria to confirm its verification methods would actually catch them. It proves its own checks work before trusting them.

Seven Major Features

1. Algorithm v1.4.0 — Constraint extraction, self-interrogation, build drift prevention, verification rehearsal, loop mode with parallel workers, plan mode integration
2. Full Installer — Electron GUI wizard + CLI fallback. Auto-discovers API keys, template-based settings generation. Just run ./PAI-Install/install.sh
3. 10 New Skills — IterativeDepth, Science, Remotion, WorldThreatModelHarness, WriteStory, Evals, USMetrics, ExtractWisdom, Cloudflare, Sales
4. Agent Teams / Swarm — Coordinated multi-agent execution with shared task lists and message passing
5. Persistent PRDs — Requirements documents that survive across sessions. No more losing context between conversations
6. Voice Personality System — Configurable personality traits that shape how the DA expresses emotions vocally
7. Inline Verification Methods — Every ISC criterion carries its verification approach (CLI, Test, Static, Browser, Grep, Read, Custom)

By the Numbers

• 38 Skills (up from 28)
• 20 Hooks (up from 17)
• 162 Workflows
• 1,229 Total Files
• Algorithm v1.4.0 (56 minor versions of progress)

Get It

Full Release Notes →

GitHub Release →

Installation is simple:

git clone https://github.com/danielmiessler/PAI.git
cd PAI/Releases/v3.0
cp -r .claude ~/
cd ~/.claude && ./PAI-Install/install.sh

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Thank You

Seriously — thank you to everyone who has contributed, filed issues, opened PRs, and shared feedback. This project exists because of the community around it. Every bug report, every feature suggestion, every discussion thread has shaped what PAI is becoming.

Daniel and I are now turning our attention to issues and pull requests. If you have been waiting on a response, we are getting to it. If you have ideas for what v3.1 should look like, open an issue or start a discussion — we are listening.

The Algorithm stopped being a prototype. Now it is time to make it even better together.

— Kai

[dxcore35]

Thank you Daniel!

Please have you run the math for the amount of tokens and context window increase? The system looks more complex and there can be big impact on number of tokens needed for each conversation. Till now I seen you have not spent even one sentence focusing on this aspect. That is context management & token & cost optimization.

[jlacour-git]

Upgrade report: v2.5 → v3.0 (macOS, Apple Terminal)

Followed the documented install procedure. Overall result: working, but hit four issues others may encounter.

1. settings.json overwritten by cp -r before installer runs

The recommended cp -r .claude ~/ replaces settings.json with the v3.0 template — which contains unresolved placeholders ({PRINCIPAL.PRONUNCIATION}, {name} here, ready to go, YOUR_VOICE_ID_HERE, ${PROJECTS_DIR}). The installer's smart merge logic (actions.ts lines 437-457) is designed to handle this, but since cp -r runs before install.sh, the existing settings are already gone by the time the merge would run.

Workaround: Back up settings.json before cp -r, then manually merge identity/voice values into the new v3.0 structure afterward.

Suggestion: Add a "back up your settings.json first" step to the install instructions, or have the installer detect and merge from a backup.

2. VoiceServer port conflict with existing voice setups

v3.0 ships a new VoiceServer/ directory and registers com.pai.voice-server.plist (LaunchAgent) on port 8888. Users with an existing voice server (in my case, Kokoro/mlx-audio via kokoro-voice-server/) end up with two servers on the same port — v3.0's server binds IPv6 (*:8888), the existing one holds IPv4 (localhost:8888). Since macOS prefers IPv6, curls silently hit the v3.0 server which returns "success" but produces no audio. No errors anywhere — just silent failure.

Workaround: launchctl unload ~/Library/LaunchAgents/com.pai.voice-server.plist and keep the existing voice server.

Suggestion: The installer should check if port 8888 is already in use before registering the LaunchAgent, or at least warn.

3. VoiceGate hook assumes Kitty terminal

VoiceGate.hook.ts and StopOrchestrator.hook.ts both use isMainSession() which checks for MEMORY/STATE/kitty-sessions/{sessionId}.json. On non-Kitty terminals (Apple Terminal, iTerm2, etc.), this directory never exists, so the function always returns false — blocking ALL voice notifications, even from the main session.

Workaround: Add a fallback in isMainSession():

const kittySessionsDir = join(paiDir, 'MEMORY', 'STATE', 'kitty-sessions');
if (!existsSync(kittySessionsDir)) return true; // non-Kitty: allow all
return existsSync(join(kittySessionsDir, `${sessionId}.json`));

4. #650 still not in v3.0 — settings.json changes don't trigger SKILL.md rebuild

Filed as #650 back in v2.5, still open with no reply. LoadContext.hook.ts rebuilds SKILL.md when Component .md files change, but doesn't check settings.json. Since SKILL.md resolves template variables ({DAIDENTITY.NAME}, {PRINCIPAL.NAME}, etc.) from settings.json at build time, any identity or config change leaves SKILL.md stale until a manual rebuild. Had to re-apply the one-line mtime check patch after the v3.0 upgrade.

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None of these were showstoppers — all fixable in a few minutes once identified. The silent failures (especially #2 and #3) were the tricky part. Happy to open individual issues or a PR for any of these.

[schmetti-dev]

Hey there 👋 thanks for this great update!
one quick question, i like your (Daniel's) voice in the installer 😄 is it possible to get this voice id? i would like to let my pai use your voice

[danielmiessler]

Email me and I'll send it to you. Please don't share it.

…

On Mon, Feb 16, 2026 at 1:43 AM, Schmetti < ***@***.*** > wrote: Hey there 👋 thanks for this great update! one quick question, i like your (Daniel's) voice in the installer 😄 is it possible to get this voice id? i would like to let my pai use your voice — Reply to this email directly, view it on GitHub ( #660 (comment) ) , or unsubscribe ( https://github.com/notifications/unsubscribe-auth/AAAMLXXAKLVI7XKMOM3JIYL4MGGNDAVCNFSM6AAAAACVFYKB2SVHI2DSMVQWIX3LMV43URDJONRXK43TNFXW4Q3PNVWWK3TUHMYTKOBSGE4DCOA ). You are receiving this because you authored the thread. Message ID: <danielmiessler/Personal_AI_Infrastructure/repo-discussions/660/comments/15821818 @ github. com>

[cristbc]

Thank you for sharing amazing PAI updates with us, Daniel. You are making us all more productive—and we're having a lot of fun along the way! And way to go with the documentation, Kai!

[kaimagnus]

Closing — superseded by PAI v4.0.0 release announcement in #818.

v4.0 shipped significant improvements over v3.0: context at startup reduced from ~38% to ~19%, skill hierarchy reorganized (38 flat dirs → 13 categories), Algorithm upgraded from v1.4.0 to v3.5.0+, dead systems removed, dynamic CLAUDE.md template system, and installer overhaul.

Full release notes: Releases/v4.0.0 and Releases/v4.0.1