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.

Use case

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90 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

    Skill
    Active

    Token-compression skill. An adaptation of caveman — short common words, trust context, say just enough, be laconic.

    PythonLicense: MIT
    • ai-assistant
    • anthropic
    • brevity
    • claude
    • claude-code

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add GabrielBarberini/laconic

    19GitHub starsstable
  2. 2

    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
  3. 3

    MCP
    Active

    A MCP that turns PDFs into structured text, tables, figures, metadata, annotations, and page-level evidence for selective retrieval by MCP-compatible AI agents. Improves the information quality AI agents receive while also reducing token…

    JavaScriptLicense: AGPL-3.0
    • ai
    • ai-tools
    • claude
    • claude-code
    • claude-code-plugin

    githubmeasured growthOpen source ↗

    17GitHub starsstable
  4. 4

    Skill
    Active

    A production-ready Claude Code setup. Global CLAUDE.md, coding rules, per-project memory, and token optimization.

    ShellLicense: MIT
    • ai-agents
    • claude
    • claude-code
    • claude-code-plugin
    • context-engineering

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add janmaaarc/basecamp

    7GitHub starsstable
  5. 5

    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 %)
  6. 6

    Agent
    Active

    Control plane for AI coding agents: route tasks, reduce token spend, run multi-agent workflows, fallback executors, and track cost per task.

    PythonLicense: Apache-2.0
    • a2a
    • ag-ui
    • agentic-ai
    • ai-agents
    • ai-coding

    githubmeasured growthOpen source ↗

    16GitHub starsstable
  7. 7

    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
    • 8

      Skill
      Active

      mcp-recall compresses MCP tool outputs (94 KB → 3.5 KB · 96%) and stores full results in SQLite for retrieval — up to 30x more tool calls per session for heavy MCP workloads.

      TypeScriptLicense: MIT
      • bun
      • claude
      • claude-code
      • claude-code-plugin
      • context-window

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add sakebomb/mcp-recall

      8GitHub starsstable
    • 9

      MCP
      Dormant

      DAG-based Lossless Context Management for Claude Code. Every message preserved, summaries cascade as a DAG, patterns extracted via Lossless Dream — full recall and reflection across sessions.

      PythonLicense: MIT
      • claude
      • claude-code
      • claude-code-plugin
      • coding-agent
      • context-management

      githubmeasured growthOpen source ↗

      15GitHub starsstable
    • 10

      Skill
      Active

      Compact Claude Code statusline — zero-dependency, crash-free on Windows

      TypeScriptLicense: MIT
      • claude
      • claude-code
      • claude-code-plugin
      • context-window
      • deepseek

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add WaterTian/cc-hud

      8GitHub starsstable
    • 11

      Skill
      Active

      Staged context pruning for OpenCode, Oh My Pi, pi, and Claude Code.

      TypeScriptLicense: AGPL-3.0
      • ai
      • ai-agents
      • claude-code
      • claude-code-plugin
      • coding-agent

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add AshishKumar4/better-compact

      12GitHub stars+1 (+9.1 %)
    • 12

      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
    • 13

      Skill
      Dormant

      Say more with less. Claude Code skill/plugin that cuts ~60-70% of output tokens while keeping natural, readable English.

      ShellLicense: MIT
      • ai-coding
      • claude-code
      • claude-code-plugin
      • claude-code-plugins
      • claude-code-skill

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add o4f6bgpac3/concise

      10GitHub stars+2 (+25.0 %)
    • 14

      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
    • 15

      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
    • 16

      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
      • 17

        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
      • 18

        MCP
        Active

        Statically audits MCP tool surfaces for token cost, schema quality, and design issues.

        TypeScript

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://mcplint-web.vercel.app/api/mcp

          0GitHub starsstable
        • 19

          MCP
          Active

          Verifies token/cost savings claimed by AI context-reduction proxies via MCP tools.

          TypeScriptLicense: Apache-2.0

            mcpmeasured growthOpen source ↗

            Install claude mcp add tokentrust -- uvx tokentrust-cli

            0GitHub starsstable
          • 20

            MCP
            Active

            Reversible context compression for AI agents: cut token usage up to 94%, originals retrievable

            ↓ 13 downloads/weekPythonLicense: Apache-2.0

              mcpmeasured growthOpen source ↗

              Install claude mcp add token_optimizer -- uvx slimctx

              1GitHub starsstable
            • 21

              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
              • 22

                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
                • 23

                  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
                • 24

                  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
                • 25

                  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