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Record · metaharnessFrameworkMIT source; selected models, services and execution infrastructure cost separately.Record checked Nov 3, 2026

MetaHarness

Generate a branded agent harness with tools, scoped memory and release policy.

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Documentation reviewed

Can I use this for my work?

Checked · Recheck due

MetaHarness is an MIT-licensed harness generator from ruvnet. It scaffolds a team-owned CLI, MCP tools, memory scope and governance configuration from a repository or template. Experimental development loops compare harness variants. Generated policies and signed provenance do not prove safe execution or better model performance; model and infrastructure costs remain separate.

Availability
Available. Available source and a browser Studio. The October 28 press release is not evidence of its first-ever availability.
How to use it
Web app; Library / CLI. Inspect source and generated configuration before installing or executing anything.
Processing and data
Local and cloud options. The Studio and generated runtime have different data paths; inspect generated connectors and provider configuration.
Costs and limits
MIT source; selected models, services and execution infrastructure cost separately.
Outputs
Editable harness source, CLI and policy/provenance artifacts; inspect outputs before execution or publication.

No generated harness, security control or evolution experiment was executed by ASE. Leaderboard and combined ecosystem adoption figures are omitted.

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Publisher documentation was reviewed. ASE has not independently tested this workflow, its outputs, billing, privacy controls or accessibility.

Best for

Developers comparing reusable scaffolding for project-specific agent harnesses.

Avoid if

You need an audited execution boundary or independently reproduced benchmark gains.

About MetaHarness

MetaHarness is an MIT-licensed harness generator from ruvnet. It scaffolds a team-owned CLI, MCP tools, memory scope and governance configuration from a repository or template. Experimental development loops compare harness variants. Generated policies and signed provenance do not prove safe execution or better model performance; model and infrastructure costs remain separate.

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