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 creation date, newest first; undated entries come last. 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

    CLI
    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…

    Python
    • ccusage-alternative
    • claude-code
    • claude-code-skills
    • claude-code-statusline
    • context-window

    githubmeasured growthOpen source ↗

    1GitHub starsstable
  2. 2

    MCP
    Active

    Compact, source-linked context packs that reduce token waste for coding agents.

    TypeScriptLicense: MIT

      mcpmeasured growthOpen source ↗

      Install claude mcp add capsule -- npx capsulectx

      4GitHub starsstable
    • 3

      Skill
      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.

      PythonLicense: MIT
      • agent-skills
      • anthropic
      • claude-code
      • claude-code-plugin
      • claude-code-skills

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add Jimmynycu/token-efficiency

      2GitHub starsstable
    • 4

      MCP
      Active

      Cut AI agent token costs 5-15x — routes only relevant code symbols instead of full files.

      ↓ 55 downloads/weekPythonLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add agent-booster -- uvx agent-booster

        1GitHub starsstable
      • 5

        MCP
        Active

        Context GC for LLM agents: offload large tool outputs and recall them to save tokens.

        PythonLicense: Unlicense

          mcpmeasured growthOpen source ↗

          Install claude mcp add lethe -- uvx lethe-llm-context

          0GitHub starsstable
        • 6

          MCP
          Active

          Review and compact prompts, docs, and AI-agent skills to save tokens, preserving structure.

          ↓ 27 downloads/weekPythonLicense: MIT

            mcpmeasured growthOpen source ↗

            Install claude mcp add compactprompt -- uvx compactprompt

            0GitHub starsstable
          • 7

            Skill
            Active

            对标 claude-hud 核心功能，控制在 7 行以内更轻量。内置 13 个国产大模型平台用量查询 (智谱 GLM / MiniMax / DeepSeek / Kimi / StepFun / SiliconFlow 等)，第三方代理用户也能实时看到额度消耗。

            TypeScriptLicense: MIT
            • anthropic
            • claude
            • claude-code
            • claude-code-plugin
            • cli

            githubmeasured growthOpen source ↗

            Install /plugin marketplace add zander-zyx/claude-mini-hud

            9GitHub starsstable
          • 8

            MCP
            Active

            Cut context bloat in your AI-agent stack: find and safely prune unused skills, MCP servers and subagents from real transcript evidence

            GoLicense: MIT
            • agent-skills
            • ai-agents
            • anthropic
            • claude-code
            • claude-code-plugin

            githubmeasured growthOpen source ↗

            55GitHub stars+1 (+1.9 %)
          • 9

            Skill
            Active

            Freeze Claude Code's prompt prefix so DeepSeek's automatic cache always hits — alignment proxy + coalescing + keepalive, installable as a CC plugin. Measured 64% cheaper on real Claude Code traffic.

            PythonLicense: MIT
            • cache-optimization
            • claude-code
            • claude-code-plugin
            • cost-optimization
            • deepseek

            githubmeasured growthOpen source ↗

            Install /plugin marketplace add jianzhichun/permafrost

            21GitHub starsstable
          • 10

            MCP
            Active

            MCP server and proxy that compresses LLM prompts, tool output, and replies to cut token cost.

            ↓ 171 downloads/weekRustLicense: MPL-2.0

              mcpmeasured growthOpen source ↗

              Install claude mcp add llmtrim -- npx @llmtrim/cli

              222GitHub stars+6 (+2.8 %)
            • 11

              MCP
              Active

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

              ↓ 19 downloads/weekTypeScriptLicense: NOASSERTION

                mcpmeasured growthOpen source ↗

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

                0GitHub starsstable
              • 12

                Skill
                Active

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

                JavaScriptLicense: MIT
                • ai-productivity
                • anthropic
                • cat
                • claude
                • claude-code

                githubmeasured growthOpen source ↗

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

                50GitHub starsstable
              • 13

                Skill
                Dormant

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

                TypeScript
                • agent-readiness
                • ai-security
                • claude-agents
                • claude-code
                • cli

                githubmeasured growthOpen source ↗

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

                1GitHub starsstable
              • 14

                Skill
                Dormant

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

                License: MIT
                • age
                • agent
                • ai
                • chatgpt
                • claude-ai

                githubmeasured growthOpen source ↗

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

                35GitHub starsstable
              • 15

                Skill
                Active

                Claude Code skill — delegate coding tasks to Opencode, supervise via git diff & save 50-90% Claude token usage

                Python
                • claude
                • claude-skills
                • delegation
                • opencode
                • orchestration

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/pcx-wave/opencode-skill ~/.claude/skills/opencode-skill

                17GitHub stars+1 (+6.2 %)
              • 16

                Skill
                Dormant

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

                • agent-skills
                • ai
                • ai-agents
                • anthropic
                • claude

                githubmeasured growthOpen source ↗

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

                65GitHub starsstable
              • 17

                Skill
                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…

                HTMLLicense: MIT
                • ai
                • anthropic
                • claude
                • claude-code
                • claude-skills

                githubmeasured growthOpen source ↗

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

                81GitHub starsstable
              • 18

                MCP
                Active

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

                ↓ 53 downloads/weekRustLicense: NOASSERTION

                  mcpmeasured growthOpen source ↗

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

                  2GitHub starsstable
                • 19

                  Skill
                  Active

                  Claude Code skill — delegate coding tasks to Gemini CLI and supervise via git diff

                  Python
                  • claude
                  • claude-code
                  • claude-skill
                  • claude-skill-recommended
                  • claude-skills

                  githubestimated momentumOpen source ↗

                  Install git clone https://github.com/pcx-wave/gemini-skill ~/.claude/skills/gemini-skill

                  12GitHub stars—
                • 20

                  Skill
                  Active

                  Claude Code skill — delegate coding tasks to Mistral Vibe, supervise via git diff & save 50-90% Claude token usage

                  Shell
                  • claude
                  • claude-ai
                  • claude-ai-skills
                  • claude-code
                  • claude-skill

                  githubmeasured growthOpen source ↗

                  Install git clone https://github.com/pcx-wave/vibe-skill ~/.claude/skills/vibe-skill

                  117GitHub starsstable
                • 21

                  Other
                  Dormant

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

                  PythonLicense: MIT
                  • claude-code
                  • claude-code-skill
                  • developer-tools
                  • llm
                  • multilingual

                  githubmeasured growthOpen source ↗

                  2GitHub starsstable
                • 22

                  Skill
                  Active

                  Resume Claude Code work after rate/usage/context limits without replaying the prior transcript. Auto-saves at 90%/95% usage. Plugin-installable, 10 languages.

                  PowerShellLicense: MIT
                  • checkpoint
                  • claude-code
                  • claude-code-plugin
                  • claude-code-skills
                  • context

                  githubmeasured growthOpen source ↗

                  Install /plugin marketplace add sofumel/claude-handoff-revive

                  6GitHub starsstable
                • 23

                  Skill
                  Active

                  Claude Code usage governor: compact professional output, context slimming, tool-output filtering, telemetry, and drift guardrails.

                  PythonLicense: MIT
                  • ai-tools
                  • claude-ai
                  • claude-code
                  • claude-code-plugin
                  • claude-skills

                  githubmeasured growthOpen source ↗

                  Install /plugin marketplace add 0xhimanshu/governor

                  133GitHub stars+3 (+2.3 %)
                • 24

                  Skill
                  Dormant

                  Drop-in Cursor rules to cut AI response tokens (no filler/hedging, preserve code + technical strings). Includes local, reproducible benchmarks.

                  JavaScriptLicense: MIT
                  • benchmarking
                  • bonsai
                  • cursor
                  • cursor-rules
                  • developer-tools

                  githubmeasured growthOpen source ↗

                  Install git clone https://github.com/marcomondelli/bonsai ~/.claude/skills/bonsai

                  0GitHub starsstable

                Learning resources

                Ranked by creation date, newest first; undated entries come last. These resources remain available separately and do not take part in the main tool ranking.

                1. 1

                  SUMMARY-md

                  Skill
                  ActiveOpen source ↗

                  A cheat sheet that stops AI agents from scanning your whole repo and saves you tokens.

                  License: CC0-1.0
                  • agent-context
                  • agent-tools
                  • ai-agents
                  • ai-coding
                  • claude-code
                  github

                  Install git clone https://github.com/toshon-jennings/SUMMARY-md ~/.claude/skills/SUMMARY-md

                  Resourcemeasured growth
                  0GitHub starsstable