Roo Code vs Cline: Which AI Coding Agent Should You Use?

Written by Danni Friedland, Co-founder, Frontman on

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Roo Code vs Cline used to be a close comparison between two Cline-family AI coding agents for VS Code. In June 2026, the practical answer is simpler: Cline is the safer default for most new users because Roo Code was shut down and its GitHub repository was archived on May 15, 2026.

That does not make Roo Code irrelevant. Roo Code popularized a useful mode-driven workflow: Architect for planning, Code for implementation, Debug for troubleshooting, Ask for answers, and Custom Modes for team-specific behavior. If you are comparing Roo Code and Cline because you liked that structure, the right comparison is now Cline vs Roo-style community forks such as ZooCode as much as Cline vs the archived Roo Code project.

This guide gives the practical answer first, then compares the workflows, context handling, model flexibility, review controls, and frontend fit. We build Frontman, so the frontend/browser section includes a clear disclosure where our product fits and where it does not. Frontman is not a direct replacement for Cline or Roo Code; it solves a narrower browser-based frontend editing problem.

Source status checked: June 15, 2026. Product claims below are based on the public Cline GitHub repository, Roo Code docs, and Roo Code GitHub repository. Author: Danni Friedland, co-founder of Frontman.

Methodology and Disclosure

This is a source-backed workflow comparison, not a fresh hands-on benchmark. We did not run the same task through Roo Code and Cline with exported prompts, timing, screenshots, and diffs for this article.

The recommendation is based on four inputs:

Evaluation criteria: current maintenance status, workflow model, approval/review controls, context handling, provider flexibility, ecosystem breadth, security posture, and fit for frontend visual editing.

Disclosure: we build Frontman. That creates a conflict of interest in the frontend/browser section, so the core Roo Code vs Cline recommendation is intentionally simple: for general-purpose developer IDE workflows, Cline is the safer default because Roo Code is archived.

Roo Code vs Cline: TL;DR

Quick Comparison

FactorClineRoo CodeBetter fit
Current statusActive open-source agentShut down and archived May 15, 2026Cline
Core workflowPlan and Act, approvals, diffs, commandsMode-driven VS Code workflowCline for adoption, Roo for mode concept
ModesPlan mode and Act modeArchitect, Code, Ask, Debug, CustomRoo Code
Human approvalFile edits and terminal commands require approval unless auto-approve is enabledPermission-based workflow, Auto-Approve availableTie
Context handlingReads project structure, edits across files, monitors errorsFile system access, terminal control, multi-step workflowsTie historically; Cline now safer
Terminal/commandsStrong: Bash commands, long-running process monitoring, CLITerminal control in VS Code extensionCline
Model flexibilityAnthropic, OpenAI, Google, OpenRouter, Bedrock, Azure, Vertex, Ollama, LM Studio, OpenAI-compatible APIsModel-agnostic, many providersTie historically
MCP/pluginsMCP servers, SDK plugins, lifecycle hooksMCP serversCline
CLI/headlessCLI, headless mode, JSON output, CI/CD scriptingVS Code extension focusCline
JetBrainsPublic JetBrains plugin listed by ClineVS Code extension focusCline
Team workflowsKanban, multi-agent teams, scheduled agents, messaging integrationsCustom modes and orchestrator-style mode coordinationCline for product breadth, Roo for mode structure
Frontend visual editingCan edit frontend files, but does not start from clicked UISameFrontman/Stagewise category

What Cline Does Better

Cline is no longer only a VS Code extension. The current Cline GitHub README describes it as “the open source coding agent in your IDE and terminal,” with a CLI, VS Code extension, JetBrains plugin, SDK, Kanban workflow, and automation features.

That matters because Cline vs Roo Code is not only about which extension feels better inside VS Code. It is also about ecosystem risk. If you are standardizing a team workflow in 2026, Cline has the clearer maintenance path.

Plan and Act Keeps Work Reviewable

Cline’s core workflow is Plan and Act. In Plan mode, the agent explores the codebase, asks questions, and proposes a strategy. In Act mode, it executes the plan. The important part is control: file edits and terminal commands require approval unless you intentionally enable auto-approve.

That makes Cline easier to recommend for teams that want AI help without handing an agent unrestricted write access. The workflow matches how many developers already think: discuss plan, approve implementation, review diff, repeat.

Broader Product Surface

Cline now covers more than editor chat:

Roo Code had a strong VS Code story, but Cline now has a broader platform story. If you care about CI/CD, terminal automation, JetBrains, or building internal tools around an agent SDK, Cline is the better fit.

Model Flexibility Is Explicit

Cline is not locked to a single provider. Its public README section Works With Every Model lists Anthropic, OpenAI, Google, OpenRouter, Vercel AI Gateway, AWS Bedrock, Azure, GCP Vertex, Cerebras, Groq, Ollama, LM Studio, and any OpenAI-compatible API.

That is important for BYOK teams. You can optimize for model quality, budget, privacy posture, local models, or provider availability without changing the agent workflow every time the model market shifts.

Diffs, Checkpoints, and Command Feedback

Cline says it edits code across your project, monitors linter/compiler output, and shows changes as diffs you can review, modify, or revert. Its command execution also watches terminal output, including long-running development servers.

For normal engineering work, this is the useful kind of autonomy: not “blindly rewrite the repo,” but “make coordinated changes and show me exactly what changed.”

What Roo Code Did Better

Roo Code was compelling because it made agent behavior feel more explicit. Instead of one general agent mode, Roo Code organized work around roles.

The public Roo Code docs describe Roo Code as an open-source AI coding agent for VS Code with file system access, terminal control, multi-step workflows, MCP servers, and model-agnostic provider support. Its standout idea was modes.

Modes Were the Main Differentiator

Roo Code’s README modes section listed:

This structure is useful because coding work is not one task. Planning a migration, debugging a production bug, explaining a subsystem, and writing a component require different behavior. Roo Code made that difference visible in the UI.

Custom Modes Were Team-Friendly

Custom modes were Roo Code’s strongest team idea. A team could create a mode for security review, another for frontend implementation, another for docs, and another for architecture planning. That gives teams a way to encode process without relying only on prompt discipline.

Cline has rules and skills, which solve a similar problem from another angle. Roo Code’s advantage was ergonomics: modes are easy to understand and easy to teach.

The Shutdown Changes the Recommendation

The problem is not Roo Code’s concept. The problem is product status. The Roo Code docs state that the extension was shut down on May 15, 2026, and the GitHub repository is archived as read-only.

That changes the recommendation sharply. If you already use Roo Code internally, you can keep doing so with a maintenance plan. If you are choosing a tool today, do not ignore the archive banner. Evaluate ZooCode or another community fork if Roo’s mode system is what you want.

Key Differences

Modes vs Plan and Act

Roo Code’s mental model is role-based: pick Architect, Code, Ask, Debug, or Custom depending on the job. Cline’s mental model is workflow-based: plan first, then act with approval.

Neither model is inherently better. They optimize for different habits.

Use Roo-style modes if your team wants the agent to behave differently for architecture, debugging, implementation, and Q&A. Use Cline if you want a simpler review loop where the agent proposes a plan, then executes with approval.

Workflow Control and Approvals

Both tools understand the need for control. Cline emphasizes human-in-the-loop approval for file edits and commands, with auto-approve available when you trust the workflow. Roo Code also had permission controls and Auto-Approve, with the docs encouraging users to become more autonomous as they got comfortable.

For teams, the safest answer is not “auto-approve everything.” It is to start with approvals on, inspect diffs, and only loosen controls for low-risk tasks.

Context Handling in Large Repositories

Both tools are file-aware agents. They read repository structure, inspect relevant files, and make multi-step changes. Roo Code’s docs explicitly framed it as useful for deep or highly iterative development work. Cline describes coordinated cross-file edits, error monitoring, and checkpoints.

For large repos, the difference is less about raw context and more about process. Cline’s Plan and Act loop helps prevent runaway edits. Roo-style modes help force the model into a specific job: architect before coding, debug before changing, ask before assuming.

Model Flexibility and Cost

Both tools were built around model flexibility. Cline’s current provider list is especially explicit, including OpenRouter and local-model routes such as Ollama and LM Studio. Roo Code’s docs encouraged experimentation across providers and models.

This matters because AI coding cost is not only subscription price. Expensive models often solve tasks faster, but they can burn tokens quickly. Cheaper models can be fine for simple edits and poor for architecture-heavy tasks. A good agent workflow lets you switch models without switching tools.

Security, Privacy, and Governance

Cline’s strongest governance story is reviewability: approvals, diffs, checkpoints, rules, skills, and provider choice. It also has SDK/plugin hooks that can support policy enforcement or internal tooling.

Roo Code’s strongest governance idea was Custom Modes: encode team-specific boundaries and task types. That is useful, but archived status makes it risky as a new standard unless a maintained fork carries the same ideas forward.

For enterprise code, neither agent removes the need for normal controls: repo permissions, secret scanning, branch protection, CI, code review, dependency review, and human ownership of merge decisions.

CLI, JetBrains, and Ecosystem Breadth

Cline wins here. Its current public positioning includes CLI, headless scripting, CI/CD workflows, SDK, JetBrains plugin, Kanban, multi-agent teams, scheduled agents, and messaging integrations.

Roo Code was primarily a VS Code extension. That narrower focus made it simpler, but it also makes the shutdown harder to work around.

Frontend and Browser Context

Cline and Roo Code can both edit frontend code. They can read React components, update CSS, run builds, and respond to errors. But they are still IDE-first agents. They start from files, prompts, and terminal output.

Frontend work often starts somewhere else: the running page. You see a card overflow, a button misalign, a mobile menu cover content, or a design token render differently than expected. That is the runtime context gap: the difference between what code says and what the browser actually renders.

If your main problem is “which VS Code agent should help my developers write code,” Cline is the practical answer. If your main problem is “how do PMs, designers, or frontend developers click the broken UI and get a reviewable source edit,” compare browser-aware tools like Frontman and Stagewise.

Which Should You Choose?

Use caseRecommendationWhy
New user choosing todayClineActive, broader ecosystem, clearer maintenance path
You specifically want Roo’s mode workflowZooCode or another Roo-style forkRoo Code itself is archived
Simple VS Code agent workflowClinePlan and Act is easy to understand
Architecture-heavy workCline or Roo-style forkCline has Plan mode; Roo-style modes make architecture explicit
Debugging-heavy workCline or Roo-style forkCline can run commands; Roo’s Debug mode is a useful mental model
Team-specific agent behaviorCline rules/skills or Roo-style Custom ModesBoth patterns can encode process
CLI/headless automationClineOfficial CLI and headless workflows
JetBrains teamClinePublic JetBrains plugin listed
Browser-visible frontend editsFrontman/Stagewise categoryIDE agents do not start from clicked UI
Enterprise code validation layerSeparate review tools such as QodoValidation/review is adjacent, not a direct Roo/Cline replacement

The short version: use Cline unless you have a specific reason to preserve the Roo Code mode model. If modes are the reason, evaluate a maintained community fork rather than adopting archived Roo Code directly.

Where Frontman Fits

Frontman is not a Roo Code or Cline clone. It sits in a different part of the workflow, and it should not be evaluated as a general-purpose IDE agent replacement.

Cline and Roo Code are developer-first agents. You work in an IDE or terminal, the agent reads files, and the developer reviews changes. That is the right workflow for backend code, refactors, scripts, tests, and many frontend changes.

Frontman starts from the running app in the browser. You click an element, describe the visual change, and Frontman maps that browser context back to source files. It is built for frontend work where DOM, computed styles, responsive layout, and framework runtime context matter.

That means Frontman is relevant if your real comparison is not “Roo Code vs Cline,” but “IDE agent vs browser-aware frontend agent.” Examples:

If that is your use case, read the browser-aware AI tools guide or the frontend coding agent comparison. If you are choosing a general-purpose coding agent for developers, Cline is the more direct choice.

Alternatives to Consider

FAQ

Is Roo Code better than Cline? +

For most new users in June 2026, Cline is the safer default because Roo Code was shut down and its GitHub repository was archived on May 15, 2026. Roo Code remains useful as a reference for role-based modes, and community forks such as ZooCode may continue the approach.

What is the difference between Roo Code and Cline? +

Cline centers on a Plan and Act workflow with human-in-the-loop approvals, CLI, SDK, VS Code, JetBrains, MCP, and plugin support. Roo Code focused on role-based modes such as Architect, Code, Ask, Debug, and Custom modes inside VS Code.

Is Roo Code a fork of Cline? +

Yes. Roo Code originated from Cline and evolved into a separate VS Code AI coding agent with its own mode-driven workflow.

Does Roo Code still work? +

The public Roo Code docs state that the Roo Code extension was shut down on May 15, 2026, and the GitHub repository is archived. Existing installs may still exist, but new teams should verify maintenance, marketplace availability, and community fork status before adopting it.

Do Roo Code and Cline support BYOK? +

Both tools were designed around model flexibility rather than a single locked provider. Cline lists Anthropic, OpenAI, Google, OpenRouter, Vercel AI Gateway, Bedrock, Azure, Vertex, Cerebras, Groq, Ollama, LM Studio, and OpenAI-compatible APIs. Roo Code described itself as model-agnostic and provider-flexible.

Which is better for frontend development? +

Cline is better for developer-led frontend work inside an IDE. Frontman is better when the job starts from the running browser: clicking UI elements, inspecting runtime layout, and producing source edits for review.

Should I use Roo Code, Cline, or ZooCode? +

Use Cline if you want a maintained mainstream agent. Evaluate ZooCode if you specifically want the Roo-style community fork. Treat archived Roo Code as historical reference unless you have a reason to maintain it yourself.