Armory
Curated, production-grade skills for AI coding agents.
FrameworkAI ProductivitymacOS, WindowsFree
4.6Visit
Framework
Caliper
Measure whether your agent skills and MCPs actually help.
Day 43 since launch · Launched 25 August 2026
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What is Caliper?
Caliper runs your real coding agent with and without your skills, MCP servers and rules, then shows which ones improve results and what they cost in tokens. Supports Claude Code, Codex, Pi and Hermes.
Pros
- Evidence instead of guesses
- Tracks token cost
Cons
- Developer-focused CLI
- Runs take time and tokens
Caliper alternatives
Similar resources to Caliper, picked from the directory.
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Free alternatives to Caliper
Free resources that cover similar ground.
Claude Code Game Studios
Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills and a complete coordination system.
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hol-guard
Open-source antivirus for AI agents: block risky tools, secret access, prompt injection and malicious packages.
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Awesome Harness Engineering
A curated awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP and orchestration.
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4.6Visit
Claude Skills Collection
372 AI skills, 76 expert agents and 867 stdlib Python tools for every team.
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Builder.io Skills
A collection of agent skills from Builder.io for smarter AI-assisted development.
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preloop
The open-source AI agent control plane: MCP firewall, model gateway with budgets, human approvals and runtime observability.
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