Plannotator v0.27.10

Plannotator is an open-source platform designed to review and validate plans and code generated by AI coding agents.

The platform provides a centralized interface where developers can:

• Review AI-generated plans

• Annotate proposed actions

• Approve or reject tasks

• Inspect code changes

• Provide structured feedback

• Improve agent outputs

• Maintain human oversight

Rather than replacing developers, Plannotator aims to keep humans involved in critical decision-making during AI-assisted development.

As AI coding agents become increasingly capable, developers face a growing challenge: ensuring that AI-generated plans and code changes align with project requirements before they are executed. Plannotator addresses this problem by acting as a review layer between developers and AI coding agents.

Instead of generating code itself, Plannotator focuses on making AI-driven development more transparent and controllable. It allows teams to review, annotate, approve, reject, and refine agent-generated plans and code changes before they affect a project.

Download Plannotator v0.27.10 - Software Mirrors
Plannotator v0.27.10 for Windows plannotator-paste-win32-arm64.exe | 90.2 MB plannotator-paste-win32-x64.exe | 93.92 MB plannotator-win32-arm64.exe | 143.52 MB plannotator-win32-x64.exe | 147.24 MB
Plannotator v0.27.10 for macOS plannotator-darwin-arm64 | 114.24 MB plannotator-darwin-x64 | 119.28 MB plannotator-paste-darwin-arm64 | 60.51 MB plannotator-paste-darwin-x64 | 65.97 MB
Plannotator v0.27.10 for Linux plannotator-linux-arm64 | 142.67 MB plannotator-linux-x64 | 143.53 MB plannotator-paste-linux-arm64 | 89.35 MB plannotator-paste-linux-x64 | 90.21 MB
Plannotator v0.27.10 for Other plannotator-0.27.10-release-sbom.cdx.json | 1.6 MB
Plannotator v0.27.10 Release Notes: Follow @plannotator on X for updates Missed recent releases? v0.27.9: WebMCP browser-agent tools, HTML refresh from disk, host seams, lazy renderers, Windows uninstall fix v0.27.8: Pi keeps its prompt cache across plan transitions, thumbs-up returns to HTML annotation, embed picker seam v0.27.7: Pi host crash fix on Windows, Call Flow tree cap, jj fork-point base, plannotator knowledge skill + llms.txt v0.27.6: Live app annotation lands on Pi, one interaction model for HTML pages (same-day patch on v0.27.5) v0.27.5: Annotate your running app, Agent TUI placement, collapsed lockfiles, VS Code theme fix, Pi fixes v0.27.4: Portable Guided Review exports, guides.show share links, guide CLI, favicon switcher, jj Call Flow v0.27.3: Folder watcher freeze fix on large repos, first SBOM-attested release pipeline v0.27.2: Mobile plan and code review, Codex CLI 0.147 fix, folder annotate cold-start, configurable markdown extensions v0.27.1: Open-in-editor launch fix, file headers respect Viewed/Git-add visibility toggles v0.27.0: Call Flow analysis, --tailscale remote reviews, review panel remembers your view, Pi rebuild (breaking command rename), focus-mode shortcut v0.26.8: Placed comment markers on HTML pages, shift-click multi-select, live app annotation v0.26.7: Pinpoint targets any element on HTML pages, smarter hover labels, zero-scan hit testing What's New in v0.27.10 This release brings two review features people have asked for, restores the slash commands on OpenCode 2, and fixes three reported bugs. Six PRs shipped, every one shaped by community reports and requests, and the whole set went through an adversarial 29-point QA sweep before tagging. Files mark themselves viewed as you scroll Reviewers reading the all-files diff top to bottom no longer check every file off by hand. Scroll past a file after actually reading it and it marks itself viewed; open a file, read it, and move on, and the same happens. Momentum-flicking to the bottom marks nothing: a file only counts once its content was on screen long enough to have been read, and collapsed or generated files (your lockfiles) never auto-mark from their folded headers. The reviewer stays in charge. Un-viewing a file is treated as "come back to this," and auto-view will never re-check it. When a diff refreshes and a file's content changed underneath its checkmark, the checkmark comes off, so a stale check can't vouch for code an agent just rewrote. The feature is on by default with a one-time notice the first moment it fires, and it can be turned off in Settings or from the gear above the file list. #1430 Undo and redo for annotations Mod+Z / Mod+Shift+Z now work across annotation actions in plan review and code review: create, edit, and delete for comments, deletions, checkbox toggles, suggestion batches, and image annotator strokes. History is bounded, per-document, and deliberately conservative: typing in a text field keeps the browser's native undo, and comments posted by agents or external tools never enter your history, so an undo can only ever touch your own work. Requested by @jj-valentine in #828. #1426, closing #828 Slash commands return on OpenCode 2 OpenCode 2's plugin API originally had no way for a plugin to execute a slash command, which left /plannotator-review, /plannotator-annotate, and /plannotator-last dead on V2. Upstream shipped exactly the hook that was missing (anomalyco/opencode PR #44765), and Plannotator now uses it: on hosts with the new API the three commands run natively again, opening the UI directly with no model turn and your arguments passed through untouched. Agent switching selected in the review UI also works again on those hosts. On OpenCode 2 builds that don't have the new API yet, the commands fall back to asking the agent to run the plannotator CLI, which works everywhere today. The native path takes over automatically as OpenCode builds update. OpenCode 1 behavior is unchanged. #1434, #1435 Remote OpenCode 2 sessions show their URL Remote sessions are only usable if you can see the session URL, and on OpenCode 2 there was no visible place for it to land. Both the new native commands and submit_plan now post the URL as a notice directly in the session transcript, without waking a model turn. This came out of the release QA sweep rather than a field report, which is where you want to find it. #1435 Share links stop serving stale snapshots When a teammate sent you a share link and you annotated their plan, the export kept offering the original short link back, without your annotations. The link lifecycle now tracks exactly which content a short URL was minted for and clears it the moment the content changes, so you can never send back a link that silently drops your feedback. The remaining piece, minting a fresh short link for small plans, is tracked in #1427. Reported by @grncdr in #798. #1425, closing #798 Agent terminal works on npm 12 npm 12 blocks dependency install scripts by default, which silently skipped node-pty's native build on Linux and left the annotate-mode Agent tab reporting "Agent unavailable" from a runtime that looked installed but couldn't load. The managed runtime now approves exactly that one build script, verifies the native binary actually exists after install, retries the build once if it doesn't, and fails loudly with the repair command instead of failing later in the UI. Reported by @smartobc-stephen in #1409, with a diagnosis accurate down to the fix. #1411, closing #1409 Additional Changes Herdr Annotate: the README and plannotator.ai now introduce Herdr Annotate, terminal-side annotation built on Plannotator TUI, with a landing page at plannotator.ai/tui-annotate. Annotations from the terminal land in the same Plannotator data directory, so both tools compound. Firefox forced colors: the plannotator.ai hero text no longer disappears for Firefox users running with "Override the colors specified by the page" or OS high contrast. Install / Update macOS / Linux: bash curl -fsSL https://plannotator.ai/install.sh | bash Windows: powershell irm https://plannotator.ai/install.ps1 | iex Claude Code Plugin: Run /plugin in Claude Code, find plannotator, and click "Update now". Pi: Update @plannotator/pi-extension to 0.27.10 and restart Pi. OpenCode: Clear cache and restart: bash rm -rf ~/.bun/install/cache/@plannotator What's Changed feat(review): mark files viewed as you scroll past them in #1430 feat: add bounded annotation undo and redo in #1426 feat(opencode): restore the slash commands on OpenCode 2 in #1434 fix(opencode): show session URLs in remote OpenCode 2 sessions in #1435 fix(share): invalidate stale short links in #1425 fix(agent-terminal): approve node-pty install scripts for npm 12 in #1411 Community This release is community-shaped end to end. @jj-valentine requested undo/redo hotkeys for annotations in #828, and that request is now the bounded history system in both review surfaces. @grncdr filed the stale short-link report in #798 with a clean reproduction of the round-trip that dropped annotations. @smartobc-stephen reported the npm 12 agent-terminal failure in #1409 with a root-cause analysis so precise the fix followed it almost line for line. The auto-viewed feature and the OpenCode 2 command work both came from user reports and requests reaching us directly, and a Firefox user's report of vanishing hero text led to the forced-colors fix on the site. Thank you all. Plannotator gets better because you tell us where it falls short. Full Changelog: v0.27.9...v0.27.10

Key Features of Plannotator

Plan Review System

One of Plannotator's core capabilities is reviewing plans generated by AI agents before execution.

Developers can examine:

• Proposed tasks

• Implementation strategies

• Agent reasoning

• Planned file modifications

• Workflow sequences

This visibility helps reduce unintended changes and costly mistakes.

Annotation Tools

The platform allows users to add comments, notes, and guidance directly to AI-generated plans.

These annotations can be used to:

• Clarify requirements

• Correct misunderstandings

• Provide context

• Guide future agent actions

AI Code Review

Plannotator extends the review process beyond planning by supporting inspection of generated code.

Developers can:

• Review modifications

• Analyze diffs

• Leave comments

• Request revisions

• Validate implementation details

This workflow resembles modern pull-request review systems.

Human-in-the-Loop Workflows

A major design goal is ensuring that AI actions remain subject to human approval.

Organizations can establish review processes where important actions require validation before execution.

Open Source Foundation

Plannotator is open source, allowing teams to inspect, modify, and self-host the platform according to their needs.

This transparency is particularly valuable for organizations adopting AI-assisted software development.

User Experience

The interface is designed around review workflows rather than direct code generation.

Instead of interacting with a chatbot, users primarily:

1. Receive agent-generated plans

2. Review proposed actions

3. Add feedback

4. Approve or reject changes

5. Monitor execution results

The workflow feels familiar to developers accustomed to pull requests, code reviews, and project planning tools.

Productivity Benefits

As AI coding tools become more autonomous, review processes become increasingly important.

Plannotator helps organizations:

• Reduce risky AI actions

• Improve code quality

• Increase accountability

• Preserve architectural consistency

• Encourage collaboration between developers and AI agents

For teams adopting AI-driven development, these safeguards can be as valuable as the coding agents themselves.

Collaboration Features

The platform supports collaborative review workflows where multiple team members can participate in evaluating AI-generated outputs.

This allows:

• Peer review

• Team approval processes

• Shared annotations

• Collective decision-making

Such features are especially useful for larger engineering teams.

Performance

Because Plannotator focuses on workflow management and review rather than model inference, performance largely depends on the connected AI agents and integrations.

The platform itself is lightweight and primarily serves as an orchestration and review layer.

Open Source Advantages

Being open source provides several benefits:

• Transparent development

• Self-hosting capabilities

• Custom integrations

• Community contributions

• Vendor independence

Organizations concerned about compliance, security, or proprietary workflows may find these advantages particularly appealing.

Limitations

Plannotator is designed as a companion tool rather than a complete AI development platform.

Common limitations include:

• Requires external AI coding agents

• Best suited for teams already using AI-assisted development

• Smaller ecosystem than mature developer platforms

• Additional review steps may slow rapid prototyping

• Some users may prefer fully autonomous workflows

The software delivers the most value in environments where oversight and quality control are priorities.

Pros

• Improves transparency of AI-generated plans

• Supports structured review workflows

• Human-in-the-loop design

• Useful annotation system

• Open source

• Self-hosting support

• Familiar review experience for developers

• Helps reduce AI-generated mistakes

Cons

• Not a standalone coding agent

• Requires integration with AI development tools

• Smaller community than established developer platforms

• Adds review overhead to workflows

• Best suited for teams rather than casual users

Who Should Use Plannotator?

Plannotator is ideal for:

• Software development teams

• Engineering managers

• AI-assisted development workflows

• Organizations adopting coding agents

• Open-source projects

• Teams prioritizing code quality and governance

It is particularly valuable for environments where AI-generated code requires oversight before reaching production systems.

Plannotator fills an increasingly important role in the AI development ecosystem by providing visibility and control over AI-generated plans and code changes. Its focus on human oversight, structured reviews, and collaborative workflows makes it a useful companion for modern coding agents. While it is not a replacement for AI coding tools themselves, it offers a practical solution for teams seeking greater confidence and accountability in AI-assisted software development.

Free

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Software Informations:
Developer:
backnotprop
Operating System:
Windows / macOS / Linux
Date Added:
2026-08-31T23:00:22.569Z
Categories:

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