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Caveman

caveman.so · listed 14 Oct 2026

Local skill and proxy that cuts coding-agent tokens by making replies and tool output shorter.

Coding agentsDeveloper toolsFreemiumCLI · API · WebPublic APIOpen source
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PREVIEWfrom caveman.so · 14 Oct 2026
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Verified 14 Oct 2026
✓ Online · checked 14 Oct 2026✓ Reviewed by an editorHow we check
Overview

What is Caveman?

Caveman is a free open-source local CLI/middleware that reduces token use for coding agents and custom agent apps by compressing eligible tool output, shortening replies, and optionally routing each turn to a cheaper model. It works with Claude Code, Codex, OpenCode, Gemini CLI and 30+ agents, plus TypeScript/Python SDKs. Caveman Cloud (separate product) adds spend analytics, Autopilot waste fixes, and governance: free for one person; Team is $300/month after a 7-day trial. Local tools keep working without Cloud.

Good for
  • Developers paying metered API bills for Claude Code/Codex/OpenCode
  • Teams that want agent spend visibility and Autopilot cost fixes
  • Builders who want middleware that shrinks tool results before the model call
Watch out for
  • Savings figures are from separate studies multiplied together — estimates, not a guaranteed bill cut
  • Flat monthly model subscriptions may not save money even if tokens drop
  • Adaptive model selection needs a free Caveman account; Cloud Team is $300/mo
Features

What it does

  1. 01Read less / say lessCompresses logs/JSON/diffs before the model reads them; shortens replies while keeping code exact.
  2. 02Adaptive model selectionPicks cheaper model/effort per turn when a free account is connected.
  3. 03Agent + app middlewareWraps coding agents and ships TypeScript/Python adapters (Vercel AI SDK, LangChain, MCP, etc.).
  4. 04Caveman CloudHosted analytics, traces, Autopilot improvements, caps and audit log.
Pricing

Caveman pricing

From the product site · 14 Oct 2026
Caveman (OSS local)$0/ onceFree open-source CLI/middleware
Cloud Free (1 person)$0/ moNo card
Cloud Team$300/ mo$300/mo after 7-day trial
Crawler record

Change log

What our crawler noticed on caveman.so since listing.

  1. 14 Oct 2026+Listed after editor review
FAQ

Questions about Caveman

Is Caveman free?

Local open-source tools are $0 (Apache-2.0). Adaptive routing needs a free account. Caveman Cloud is free for one person; Team is $300/month after a 7-day free trial. Source: https://caveman.so

Which agents does it support?

Claude Code, Codex, OpenCode, Gemini CLI and 30+ coding agents; compression vs shorter-reply support varies by agent. Source: https://caveman.so

See also

Caveman alternatives

OpenCodeOpen-source AI coding agent available as terminal, desktop, and web app.Open sourceTidenIntent verification that checks coding agents built what you actually asked for.Free trial · from $49/moBase44No-code AI platform to turn ideas into apps, websites, and agents.Freemium · from $16/moAcyclicSplit agentic workflows across parallel workspace-forked agents and merge the results.Pricing unknownHindsightOpen-source memory layer so AI agents can learn from past experience, with Memlake object-storage backend.Open sourcePancakeGTM building blocks and 40+ data providers for AI agents over one MCP connection.Freemium · from $99/mo