deepseek-harness alternatives

Curated alternatives to deepseek-harness — and why you'd switch.

TrueFoundry's open agent harness: the runtime loop — model calls, MCP tools, SKILL.md packs, sandboxing, approvals, compaction — behind a chat UI, HTTP API, TypeScript SDK and embeddable UI.

Why switchTwo open agent harnesses with a UI, an API and a plugin story. TrueForge is the more finished product — catalogs, sandboxing, approvals, compaction, Helm charts; dsh is a plugin substrate on Cordis in developer preview. Ship on TrueForge, watch dsh.

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