caveman alternatives

JuliusBrussee/caveman (112k stars, +525 this week): 🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman. Why it matters: useful plumbing for shipping LLM-powered features.

Below are 12 other LLM tooling repos tracked by OSS Radar that share at least two GitHub topics with caveman, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. headroomlabs-ai/headroom

   +266/wkest.

   Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. Why it matters: useful plumbing for shipping LLM-powered features.

   75k stars · Python · shared topics: ai, anthropic, claude-code, llm, prompt-engineering, tokens

2. 2. asgeirtj/system_prompts_leaks

   +77/wkest.

   Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Why it matters: useful plumbing for shipping LLM-powered features.

   70k stars · Python · shared topics: ai, anthropic, claude, claude-code, llm, prompt-engineering

3. 3. NousResearch/hermes-agent

   +539/wkest.

   The agent that grows with you. Why it matters: useful plumbing for shipping LLM-powered features.

   254k stars · Python · shared topics: ai, anthropic, claude, claude-code, llm

4. 4. NanmiCoder/cc-haha

   +28/wkest.

   | Local-first Claude Code AI Agent desktop workspace: multi-agent teams, Git worktrees, diffs, skills marketplace, multi-model, Computer… Why it matters: useful plumbing for shipping LLM-powered features.

   15k stars · TypeScript · shared topics: ai, anthropic, claude, claude-code, llm

5. 5. DietrichGebert/ponytail

   +1.3k/wkest.

   Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote. Why it matters: useful plumbing for shipping LLM-powered features.

   163k stars · JavaScript · shared topics: claude, claude-code, llm, prompt-engineering

6. 6. affaan-m/ECC

   +945/wkest.

   The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code… Why it matters: useful plumbing for shipping LLM-powered features.

   279k stars · JavaScript · shared topics: anthropic, claude, claude-code, llm

7. 7. thedotmack/claude-mem

   +609/wkest.

   Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects… Why it matters: useful plumbing for shipping LLM-powered features.

   101k stars · TypeScript · shared topics: ai, anthropic, claude, claude-code

8. 8. f/prompts.chat

   +154/wkest.

   f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Why it matters: useful plumbing for shipping LLM-powered features.

   173k stars · HTML · shared topics: ai, claude, llm, prompt-engineering

9. 9. lidge-jun/opencodex

   +84/wkest.

   Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK… Why it matters: useful plumbing for shipping LLM-powered features.

   17k stars · TypeScript · shared topics: anthropic, claude, claude-code, llm

10. 10. decolua/9router

    +77/wkest.

    Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Why it matters: useful plumbing for shipping LLM-powered features.

    31k stars · JavaScript · shared topics: anthropic, claude, claude-code, llm

11. 11. CoplayDev/unity-mcp

    +56/wkest.

    Unity MCP acts as a bridge between AI assistants and your Unity Editor. Why it matters: useful plumbing for shipping LLM-powered features.

    15k stars · C# · shared topics: ai, anthropic, claude, llm

12. 12. Folkbench/folkbench

    +56/wkest.

    Desktop app that switches Claude Code, Codex and other tools between AI API relays, showing their uptime and latency. Why it matters: useful plumbing for shipping LLM-powered features.

    849 stars · Rust · shared topics: ai, claude, claude-code, llm

More: all trending LLM tooling repos · compare caveman with the top 2