Coding agent

Open sourceApache 2.0Updated June 2026

Kilo Code

Open-source VS Code coding agent focused on agentic development workflows.

Intermediate · VS Code extension from the Marketplace; actively maintained open-source fork in the Cline ecosystem

Editorial review

Reviewed byOpenSourcesAI EditorialLast updatedJune 2026SourcesKilo Code GitHub

Tool categories, pricing, source status, deployment options, and product claims can change quickly. Verify the official source before production or commercial use.

About Kilo Code

Open-source VS Code coding agent focused on agentic development workflows.

Best for: VS Code developers evaluating actively maintained open-source coding agents in the Cline ecosystem who need agentic file editing with MCP tool integration and regular upstream maintenance commits.

Deployment: VS Code extension from the Marketplace; actively maintained open-source fork in the Cline ecosystem

Skill level: Intermediate

Tradeoffs

Smaller community and extension ecosystem than the original Cline. Feature parity with Cline upstream may lag or diverge on less common model providers. Evaluate token cost patterns carefully — agentic coding agents can accumulate large context windows quickly across long sessions.

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Best for

VS Code developers evaluating actively maintained open-source coding agents in the Cline ecosystem who need agentic file editing with MCP tool integration and regular upstream maintenance commits.

Why use it

Kilo Code occupies the same functional space as Cline and Roo Code but prioritizes an actively maintained release cadence. It is worth including in any systematic evaluation of open-source VS Code coding agents, particularly for teams that want community-maintained tooling without depending on a single upstream project with uncertain maintenance status.

Key features

  • Agentic VS Code coding loop with file read, write, and terminal execution capabilities behind per-action approval gates
  • MCP client integration for connecting to external tool servers, custom API endpoints, and database query tools
  • Context window monitoring with explicit file management controls to avoid silent truncation during long sessions
  • Multi-model support across OpenAI-compatible APIs, Anthropic Claude, and local Ollama and LM Studio endpoints

Tradeoffs

Smaller community and extension ecosystem than the original Cline. Feature parity with Cline upstream may lag or diverge on less common model providers. Evaluate token cost patterns carefully — agentic coding agents can accumulate large context windows quickly across long sessions.

Alternatives

  • Cline
  • Roo Code
  • Continue
CategoryCoding agentLicenseApache 2.0DeploymentVS Code extension from the Marketplace; actively maintained open-source fork in the Cline ecosystemModeIDE extension with local or cloud models
Kilo Code GitHub

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