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Cline Releases Cline SDK: An Open-Source Agent Runtime Now Powering Its CLI and Kanban, With IDE Extensions Being Migrated

Cline just open-sourced its agent runtime. CLI now outscores Claude Code 74.2% vs 69.4% on Terminal Benchmark 2.0.

Reporting by MarkTechPost 1 min brief
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The KeyNews take

Why it matters

Cline's SDK release democratizes access to production-grade agent infrastructure and signals a shift toward open-source agent runtimes competing with proprietary Claude Code. The performance delta on identical benchmarks matters for teams evaluating build-vs-buy on agent tooling.

The key facts

8 to know

  1. Cline SDK released as open-source TypeScript runtime (@cline/sdk)

  2. Four-layer architecture: @cline/shared, @cline/llms, @cline/agents, @cline/core

  3. Native support for plugins, subagents, CRON scheduling, checkpointing, MCP connectors

  4. Cline CLI scored 74.2% on Terminal Benchmark 2.0 (Claude Opus 4.7)

  5. Anthropic's Claude Code published 69.4% on same benchmark and model

  6. VS Code and JetBrains extensions being migrated to SDK

  7. Requires Node.js 22+

  8. Installation: npm install @cline/sdk

Go to the source

MarkTechPostmarktechpost.com

Publisher excerpt: Cline has extracted its internal agent harness into an open-source TypeScript SDK called @cline/sdk, the same runtime now powering its CLI and Kanban, with VS Code and JetBrains extensions being migrated. The SDK is structured as a four-layer stack — @cline/shared, @cline/llms, @cline/agents, and…
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