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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88 entries in this view.

Tool ranking

Ranked by known GitHub stars, highest first; archived repositories come after maintained repositories. 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

    Skill
    Active

    Local-first memory and prompt-cache layer for Claude Code

    TypeScriptLicense: MIT
    • agentic-ai
    • agentic-coding
    • ai
    • ai-agents
    • anthropic

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add riz007/somtum

    7GitHub starsstable
  2. 2

    Skill
    Active

    A Claude Code hook that routes each Read on a PDF to the path that actually works: text layer to UTF-8 text, scans to vision, and neither one through poppler.

    PythonLicense: MIT
    • claude-code
    • claude-code-hooks
    • claude-code-plugin
    • pdf
    • poppler

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add WatsonTsai/pdf-text-router

    7GitHub starsstable
  3. 3

    MCP
    Active

    Lossless context compression: 2-8x fewer tokens, byte-exact recovery, search inside payloads

    PythonLicense: MIT

      mcpmeasured growthOpen source ↗

      Install claude mcp add densely -- uvx densely

      6GitHub starsstable
    • 4

      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
    • 5

      Skill
      Dormant

      Claude Code plugin — inventory all your installed skills, check structure, and find updates. Free, zero dependencies.

      JavaScriptLicense: MIT
      • ai-tools
      • anthropic
      • audit
      • claude
      • claude-code

      githubestimated momentumOpen source ↗

      Install /plugin marketplace add VersoXBT/skill-manager

      6GitHub stars—
    • 6

      Skill
      Active

      Profile Claude Code context, discover repeated workflows, and regression-test your skills. Local-only, zero-dependency.

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

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add nks0614/harnessay

      5GitHub stars+2 (+66.7 %)
    • 7

      Skill
      Active

      Automatically detect and disable irrelevant Claude Code skills per project to save tokens and streamline your tech workflow.

      PythonLicense: MIT
      • agents
      • ai-agents
      • antigravity
      • claude
      • claude-code-plugins

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/mrdenox109-nyx/skill-manager ~/.claude/skills/skill-manager

      5GitHub starsstable
    • 8

      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
      • 9

        MCP
        Active

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

        ↓ 98 downloads/weekJavaScriptLicense: MIT

          mcpmeasured growthOpen source ↗

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

          4GitHub starsstable
        • 10

          Skill
          Active

          20 power-user skills for Claude Code: session memory and consolidation, context compression, multi-agent orchestration, adversarial bug hunting, security review, calibrated estimation and decision archaeology. Drop-in SKILL.md files. Built…

          License: MIT
          • agent-skills
          • ai-agent
          • ai-coding
          • ai-developer-tools
          • ai-workflow

          githubmeasured growthOpen source ↗

          Install git clone https://github.com/irfad7/claude-power-skills ~/.claude/skills/claude-power-skills

          4GitHub starsstable
        • 11

          MCP
          Dormant

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

          ↓ 67 downloads/weekTypeScriptLicense: Apache-2.0

            mcpmeasured growthOpen source ↗

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

            4GitHub starsstable
          • 12

            Skill
            Active

            The Agent Knowledge Kit & Architecture System — 10–32x token-efficient architecture discovery for AI coding agents

            TypeScript
            • agentic-ai
            • ai-agents
            • antigravity
            • bun
            • claude-code

            githubmeasured growthOpen source ↗

            Install git clone https://github.com/chama-x/quiv ~/.claude/skills/quiv

            3GitHub starsstable
          • 13

            Agent
            Active

            Agent context compressor and memory persistent orchestration

            TypeScriptLicense: Apache-2.0
            • a2a-protocol
            • agent-framework
            • ai
            • ai-agents-framework
            • ai-tools

            githubmeasured growthOpen source ↗

            2GitHub starsstable
          • 14

            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
            • 15

              MCP
              Active

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

              ↓ 27 downloads/weekJavaScriptLicense: MIT

                mcpmeasured growthOpen source ↗

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

                2GitHub starsstable
              • 16

                Other
                Active

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

                License: MIT
                • ai-tools
                • claude-code
                • claude-code-skill
                • llm
                • productivity

                githubmeasured growthOpen source ↗

                2GitHub starsstable
              • 17

                Other
                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.

                ShellLicense: MIT
                • ai-coding
                • claude
                • claude-code
                • claude-code-skill
                • cost-reduction

                githubmeasured growthOpen source ↗

                2GitHub starsstable
              • 18

                MCP
                Active

                Pay-per-call agent APIs over x402: web scraping, token compression, and semantic cache.

                JavaScriptLicense: MIT

                  mcpmeasured growthOpen source ↗

                  Install claude mcp add gate402-mcp -- npx gate402-mcp

                  2GitHub starsstable
                • 19

                  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
                • 20

                  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
                • 21

                  Skill
                  Active

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

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

                  githubmeasured growthOpen source ↗

                  Install /plugin marketplace add Mun1to/SpanishCaveMan

                  2GitHub starsstable
                • 22

                  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
                • 23

                  CLI
                  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.

                  PythonLicense: MIT
                  • claude
                  • claude-code
                  • claude-code-skills
                  • cli
                  • cost-optimization

                  githubmeasured growthOpen source ↗

                  1GitHub starsstable
                • 24

                  MCP
                  Dormant

                  Analyze your MCP setup: token costs, grades, duplicates, and optimization tips

                  ↓ 62 downloads/weekTypeScriptLicense: MIT

                    mcpmeasured growthOpen source ↗

                    Install claude mcp add mcp-checkup -- npx mcp-checkup

                    1GitHub starsstable
                  • 25

                    MCP
                    Active

                    Context optimization for LLM agents: tool registry, result masking, budgeting, compaction.

                    RustLicense: NOASSERTION

                      mcpmeasured growthOpen source ↗

                      Install claude mcp add distil -- npx @munhq/distil

                      1GitHub starsstable