Token efficiency: tools for developers

Tools that reduce token costs, compress context or cache LLM requests. An entry can appear under several use cases when its topics or description provide several explicit signals.

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98 entries in this view.

Tool ranking

Ranked by measured growth, normalized across sources. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1
    Dormant

    A Claude Code skill for web report decks — richer ECharts charts, one file per slide (edit one page, save tokens), and complex structure diagrams. 16:9 & vertical, PDF/image export.网页版 PPT 汇报的 Claude Code skill:ECharts 把数据画得更好看、每页一个文件改一页省…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/myunwang/ppt-report-skills ~/.claude/skills/ppt-report-skills

    81GitHub starsstable
  2. 2
    Active

    Usage-aware status line for Claude Code: session & weekly rate-limit gauges with reset countdowns and a precise context-window meter, plus tokens, git & weather. Template-driven and extensible — set it up by chatting with Claude or via a…

    githubmeasured growthOpen source ↗

    1GitHub starsstable
  3. 3

    Skill
    Dormant

    Agent context gate for Codex, Claude Code, Copilot, MCP, Cursor, Cline, Gemini and Windsurf repos

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/grnbtqdbyx-create/contextforge ~/.claude/skills/contextforge

    1GitHub starsstable
  4. 4
    Dormant

    SpiderBrain v3 is a multi-platform skill/framework to reduce token usage and AI hallucinations across Claude, Cursor, and other AI tools.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/abhishek-performdigital/Spiderbrain-V3 ~/.claude/skills/Spiderbrain-V3

    65GitHub starsstable
  5. 5
    Active

    Measure and shrink the token cost of Claude Code skills, tier by tier: the always-on system-prompt tax, the per-invocation body, and on-demand references, each priced at the rate it is actually billed.

    githubmeasured growthOpen source ↗

    1GitHub starsstable
  6. 6
    Active

    Context compression plugin for Claude Code. Automatically trims large tool output—JSON, YAML, stack traces, and logs—before it enters the context window.

    githubmeasured growthOpen source ↗

    64GitHub starsstable
  7. 7

    Other
    Dormant

    Agent-to-Agent coordination that doesn't waste your context window. Token-efficient protocol with progressive discovery, zero-schema invocation, gRPC transport, and task lifecycle management.

    githubmeasured growthOpen source ↗

    1GitHub starsstable
  8. 8

    Skill
    Active

    Own your LLM's web search: a local search->fetch->rank pipeline that replaces hosted web-search tools. Measured: matches hosted accuracy at 66% lower cost and up to 88% fewer tokens, plus a precision-tuned semantic caching with…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/firish/webfetch ~/.claude/skills/webfetch

    55GitHub starsstable
  9. 9
    Active

    Token cost math for LLM API calls: verified per-1M-token rates for 69 models, 17 providers.

    mcpmeasured growthOpen source ↗

    Install claude mcp add comparedge-llm-cost -- npx @comparedge/llm-cost-mcp

    2GitHub starsstable
  10. 10
    Active

    Cut vision-LLM token costs by snapping images to tile boundaries — Claude, GPT, Gemini, Llama, Qwen

    mcpmeasured growthOpen source ↗

    Install claude mcp add vision-squeezer -- npx vision-squeezer

    2GitHub starsstable
  11. 11

    Skill
    Active

    Claude Code skills for developers who code like cats — never more effort than the problem requires.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/albertobarnabo/lazy-cat ~/.claude/skills/lazy-cat

    50GitHub starsstable
  12. 12

    Other
    Dormant

    Translate any language to English before Claude processes it. ~49% token savings combined with caveman.

    githubmeasured growthOpen source ↗

    2GitHub starsstable
  13. 13
    Dormant

    ⚡ Cut Claude token usage by 90%+ — free, open-source, local-first context compression for Claude Code. Hybrid RAG (BM25 + ONNX vectors), AST chunking, reranking. No API needed.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add Madhan230205/token-reducer

    44GitHub starsstable
  14. 14
    Active

    Claude Code skill: caveman-style token efficiency, spoken with a real Spanish regional accent

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add Mun1to/SpanishCaveMan

    2GitHub starsstable
  15. 15

    Agent
    Active

    Agent context compressor and memory persistent orchestration

    githubmeasured growthOpen source ↗

    2GitHub starsstable
  16. 16
    Active

    MCP server that cuts AI coding agent token usage via framework-aware context optimization

    mcpmeasured growthOpen source ↗

    Install claude mcp add ai-optimizer -- npx @ai-optimizer/core

    0GitHub starsstable
  17. 17
    Active

    Claude Code skill: reduce token usage 60-80% — targeted reads, model switching, context management. One-line install.

    githubmeasured growthOpen source ↗

    2GitHub starsstable
  18. 18

    MCP
    Dormant

    Audit MCP servers, skills, and CLAUDE.md bloat eating your Claude Code context window.

    githubmeasured growthOpen source ↗

    35GitHub starsstable
  19. 19
    Active

    Turn your strongest model into a conductor: route each step to the cheapest capable model, and escalate only load-bearing pieces to a pricier reviewer that catches pitfalls early. Subscription, API, or hybrid.

    githubmeasured growthOpen source ↗

    2GitHub starsstable
  20. 20
    Dormant

    Convert long AI conversations into portable conversation state graphs for LLM handoffs.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Adityapal67/context-graph-compressor ~/.claude/skills/context-graph-compressor

    35GitHub starsstable
  21. 21
    Active

    A Claude Code plugin that shows exactly where your AI coding session wasted tokens — and how to fix it. Flags waste, never quality. Runs locally.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add Jimmynycu/token-efficiency

    2GitHub starsstable
  22. 22
    Active

    Eco mode for Claude Code. /eco: -31% to -73% output tokens with critical findings intact; /eco-max: up to -75% with lowered effort. Measured hardest on Claude Fable 5 (fable5), deep-studied on Sonnet 5, works on Opus 4.8 too. We publish our…

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add sup3x/claude-code-eco

    33GitHub starsstable
  23. 23
    Dormant

    Save tokens while coding — your AI agent gets structured code context, not file dumps.

    mcpmeasured growthOpen source ↗

    Install claude mcp add codeweave -- npx @codeweave/mcp

    4GitHub starsstable
  24. 24
    Active

    Reduces AI agent token usage by 90% via context compression and task checkpoint persistence.

    mcpmeasured growthOpen source ↗

    Install claude mcp add smart-context-mcp -- npx smart-context-mcp

    4GitHub starsstable
  25. 25
    Active

    Restore prior Claude Code AND Codex sessions with zero LLM calls. Cross-tool session handoff, cache-expiry prevention, real cost dashboard. One plugin, both hosts.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add ww-w-ai/super-token-saver

    31GitHub starsstable