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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87 entries in this view.

Tool ranking

Mixed ranking: measured growth takes priority; entries without two snapshots are estimated. 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

    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
  2. 2

    Skill
    Dormant

    Give your Claude Code Agent Teams a memory. Auto-injects role-specific context into every new teammate — your team never starts blind again.

    Python
    • agent-teams
    • ai-agents
    • anthropic
    • claude
    • claude-ai

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add Gr122lyBr/claude-teams-brain

    26GitHub starsstable
  3. 3

    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
  4. 4

    Skill
    Dormant

    Pith is the hook that makes Claude Code sessions last 3x longer.

    PythonLicense: MIT
    • anthropic
    • claude-code
    • claude-code-plugin
    • llm-tools
    • token-optimization

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add abhisekjha/pith

    98GitHub starsstable
  5. 5

    CLI
    Dormant

    Optimize Claude Code token usage — 22 skills, 8 hooks, 6 rules. One npm install. Zero manual steps. Cut costs by 67%.

    ShellLicense: MIT
    • ai
    • ai-coding
    • anthropic
    • claude
    • claude-code

    githubmeasured growthOpen source ↗

    9GitHub starsstable
  6. 6

    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
    • 7

      MCP
      Active

      Persistent memory + security layer for Claude Code (MCP plugin). Agents remember your project across sessions (~87% fewer context tokens), every tool call lands in a tamper-evident HMAC audit chain, and skills are AST-scanned +…

      TypeScriptLicense: MIT
      • agent-security
      • ai-agent-memory
      • ai-agents
      • audit-trail
      • claude-code

      githubmeasured growthOpen source ↗

      8GitHub starsstable
    • 8

      Skill
      Active

      A skill that shrink noisy log/output 60-90% before read — filter, group, dedupe, truncate. Cut token, cut cost, keep signal. By Dhayalan (aka Joy).

      PythonLicense: MIT
      • claude
      • claude-ai
      • claude-code
      • claude-code-plugin
      • claude-code-skill

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add Da-ya7/PromptCompressor-skill

      1GitHub starsstable
    • 9

      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
    • 10

      Library
      Active

      A high-performance, ergonomic web framework for Rust with native AI/LLM support.

      RustLicense: Apache-2.0
      • ai-native
      • api-framework
      • async
      • backend
      • developer-tools

      githubestimated momentumOpen source ↗

      61GitHub stars—

    Learning resources

    Ranked by measured growth, normalized across sources. These resources remain available separately and do not take part in the main tool ranking.

    1. 1

      mcp-agent-skills-hub

      MCP
      ActiveOpen source ↗

      Molavi Agent Skills: Curated AI agent skills and MCP configs for Antigravity, Cursor, Codex & Claude — by Taghi Molavi

      JavaScriptLicense: MIT
      • agentic-workflows
      • ai-agents
      • ai-skills
      • antigravity
      • awesome-list
      githubResourcemeasured growth
      8GitHub starsstable
    2. 2

      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