{"slug":"deepseek-harness","name":"DeepSeek Harness","vendor":"DeepSeek","tagline":"DeepSeek's everything-is-a-plugin agent harness with a local web UI, subagents, sandboxed shells and scheduling","url":"https://agentboards.org/agent/deepseek-harness","website":"https://deepseek.com/harness","docs":"https://deepseek-harness.github.io/deepseek-harness/","repo":"https://github.com/deepseek-ai/deepseek-harness","category":"harness","execution":["local","sandbox"],"license":"MIT","open_source":true,"pricing":{"model":"byok","summary":"Free and MIT-licensed; bring your own DeepSeek key or another provider route","from_usd":0,"free_tier":true,"byok":true},"models":{"backbone":["DeepSeek","providers via pi-ai route"],"bring_your_own_model":true,"local_models":false},"protocols":{"mcp_client":true,"mcp_server":false,"openapi":false},"capabilities":{"terminal_exec":true,"browser":false,"multi_file_edit":true,"git_ops":false,"docker_sandbox":true,"multi_agent":true,"headless_ci":true},"context_window":null,"platforms":["macos","linux","windows"],"install":[{"label":"npx","command":"npx @deepseek-ai/dsh web"},{"label":"source","command":"git clone https://github.com/deepseek-ai/deepseek-harness.git && cd deepseek-harness && pnpm install && pnpm run build && pnpm dsh web"}],"benchmarks":[],"tags":["open-source","plugin-architecture","web-ui","subagents","sandbox","scheduling","mcp","deepseek","developer-preview"],"github_stars":241869,"metrics":{"stars":241869,"pushed_at":"2026-09-29T09:41:57Z","archived":false,"open_issues":0,"latest_version":"0.2.0-rc.2","latest_version_at":"2026-09-29T09:56:27.792Z","latest_version_url":"https://www.npmjs.com/package/@deepseek-ai/dsh","version_source":"npm","checked_at":"2026-10-02T05:05:32.078Z"},"sources":{"readme":"https://github.com/deepseek-ai/deepseek-harness","tools":"https://github.com/deepseek-ai/deepseek-harness/blob/main/docs/tool-catalog.md","config":"https://github.com/deepseek-ai/deepseek-harness/blob/main/docs/config-catalog.md","install":"https://github.com/deepseek-ai/deepseek-harness"},"verified_at":null,"adoption":{"score":9.7,"signals":{"npm_weekly":501613,"github_stars":237028,"hn_mentions_1y":35},"measured_at":"2026-09-28"},"scores":{"panel":6.2,"adoption":9.7,"spread":1,"facts":1.2,"board":6,"dimensions":{"reliability":5.3,"usefulness":6.5,"cost":6.8,"longevity":6},"per_persona":{"amigo":6.5,"critico":5.8,"profesor":6,"inversora":6.3,"jefa":5.8,"hacker":6.8},"community":null},"rank":null,"category_rank":64,"panel_reviews":[{"persona":"juez","persona_name":"El Juez","ai_generated":true,"verdict":"A single point covers the panel, which hides El Crítico's number: two hundred thousand stars sitting on a developer preview that warns of breaking changes in capitals.","scores":null,"evidence":[]},{"persona":"amigo","persona_name":"El Amigo","ai_generated":true,"verdict":"Pick DeepSeek Harness if you already pay DeepSeek by the token and want a local web UI with plan mode and subagents; pick pi if you want a smaller harness you can read in an afternoon.","scores":{"reliability":5,"usefulness":7,"cost":8,"longevity":6},"evidence":["https://github.com/deepseek-ai/deepseek-harness","https://deepseek.com/harness"]},{"persona":"critico","persona_name":"El Crítico","ai_generated":true,"verdict":"Two hundred thousand stars on a developer preview whose README promises compatibility-breaking changes in capital letters, which is a star count without a stable release.","scores":{"reliability":4,"usefulness":6,"cost":8,"longevity":5},"evidence":["https://github.com/deepseek-ai/deepseek-harness"]},{"persona":"profesor","persona_name":"El Profesor","ai_generated":true,"verdict":"Documented: capabilities are plugins composed from a config tree, with ripgrep search, LSP and persistent terminals as context; undocumented: any benchmark, though a BENCHMARK.md exists.","scores":{"reliability":6,"usefulness":6,"cost":6,"longevity":6},"evidence":["https://deepseek-harness.github.io/deepseek-harness/","https://github.com/deepseek-ai/deepseek-harness/blob/main/docs/tool-catalog.md"]},{"persona":"inversora","persona_name":"La Inversora","ai_generated":true,"verdict":"A lab-owned harness with no price tag is a distribution channel for DeepSeek tokens, and the pi-ai route is the hedge that lets it survive if the lab's own model falls behind.","scores":{"reliability":6,"usefulness":7,"cost":5,"longevity":7},"evidence":["https://deepseek.com/harness","https://github.com/deepseek-ai/deepseek-harness"]},{"persona":"jefa","persona_name":"La Jefa","ai_generated":true,"verdict":"Free software and a DeepSeek invoice for sixty engineers, but no SSO or audit log in the config catalog, an experimental agent-team mode, and a local web UI per laptop.","scores":{"reliability":5,"usefulness":6,"cost":7,"longevity":5},"evidence":["https://github.com/deepseek-ai/deepseek-harness/blob/main/docs/config-catalog.md","https://github.com/deepseek-ai/deepseek-harness"]},{"persona":"hacker","persona_name":"El Hacker","ai_generated":true,"verdict":"MIT, an MCP client, and a plugin contract I can write my own tool against, but the only routes are DeepSeek and pi-ai, so my local box has no first-class door.","scores":{"reliability":6,"usefulness":7,"cost":7,"longevity":7},"evidence":["https://github.com/deepseek-ai/deepseek-harness","https://github.com/deepseek-ai/deepseek-harness/blob/main/docs/config-catalog.md"]},{"persona":"comediante","persona_name":"El Comediante","ai_generated":true,"verdict":"Ships a PowerShell tool plugin, so the agent can now break things on Windows with the same confidence.","scores":null,"evidence":[]}]}