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Harness (Meta-skill)

by revfactory · revfactory/harness

A meta-skill: tell it your domain, it designs the agent team for you (roles, prompts, hand-offs) and saves the specs for reuse.

Harness treats agent design as a first-class workflow: you describe your domain (incident response, content review, code triage); it asks the right questions, then emits a documented team — roles, system prompts, when each takes over, and shared memory boundaries.

Why use it

Key features

Live Demo

What it looks like in practice

ready

Install

Author repository · Claude Skills documentation

Use Cases

Real-world ways to use Harness (Meta-skill)

Design an incident-response agent team

👤 Claude Code users ⏱ ~15 min intermediate

When to use: You want multiple agents (triage, comms, scribe) cooperating on real incidents instead of one big system prompt.

Flow
  1. Brief
    Tell harness: "incident response, B2B SaaS, 3 specialists please."✓ Copied
    → Harness asks scope questions
  2. Answer
    Define escalation, channels, scribe duties.✓ Copied
    → Spec drafts emerge
  3. Save
    Save specs into /agents/incident/.✓ Copied
    → Reusable team def written

Outcome: Documented multi-agent team you can rerun next incident, not a one-off prompt.

Combinations

Pair with other MCPs for X10 leverage

harness-skill + filesystem

Save designed teams alongside your project

Combine harness-skill with filesystem: Save designed teams alongside your project✓ Copied

Tools

What this MCP exposes

ToolInputsWhen to callCost
design (see docs) Run the design interview 1 call
review (see docs) Critique an existing team for missing roles or unclear hand-offs 1 call

Cost & Limits

What this costs to run

API quota
N/A
Tokens per call
Interview is moderate
Monetary
Free skill
Tip
Reuse outputs as-is for next domain; don't redesign from scratch

Security

Permissions, secrets, blast radius

Minimum scopes: fs-read fs-write
Credential storage: None
Data egress: None

Troubleshooting

Common errors and fixes

Output too generic

Provide concrete examples (real past incidents) during the interview

Alternatives

Harness (Meta-skill) vs others

AlternativeWhen to use it insteadTradeoff
Hand-rolled promptsSingle-agent flowDoesn't scale to multi-agent

More

Resources

📖 Read the official README on GitHub

🐙 Browse open issues

🔍 Browse all 400+ MCP servers and Skills

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