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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90 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

    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

    MCP
    Dormant

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

    PythonLicense: MIT
    • claude
    • claude-code
    • claude-code-plugin
    • cli
    • context-window

    githubmeasured growthOpen source ↗

    35GitHub starsstable
  3. 3

    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
  4. 4

    Skill
    Active

    Governance framework for AI coding agents. It runs them through a five-step workflow (plan, build, review, test, ship) where no step counts as done without evidence. Drop-in rules and guardrails for Claude Code, Codex, Cursor, Copilot, and…

    PythonLicense: MIT
    • agent-framework
    • agent-orchestration
    • agentic-development
    • agents-md
    • ai-agent

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/KbWen/agentic-os ~/.claude/skills/agentic-os

    155GitHub stars+8 (+5.4 %)
  5. 5

    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
  6. 6

    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
  7. 7

    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

    11GitHub stars+2 (+22.2 %)
  8. 8

    Skill
    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.

    JavaScriptLicense: Apache-2.0
    • anthropic-api
    • api-cost
    • billing-analytics
    • cache-management
    • claude-code

    githubmeasured growthOpen source ↗

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

    31GitHub starsstable
  9. 9

    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
  10. 10

    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.

    TypeScriptLicense: MIT
    • agent-coordination
    • agent-to-agent
    • ai-protocol
    • ddd
    • grpc

    githubmeasured growthOpen source ↗

    1GitHub starsstable
  11. 11

    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
  12. 12

    MCP
    Active

    Persistent memory for any AI — zero token cost until recall

    RustLicense: Apache-2.0

      mcpmeasured growthOpen source ↗

      44GitHub starsstable
    • 13

      Skill
      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.

      PythonLicense: MIT
      • ai-tools
      • bm25
      • claude-code
      • claude-code-plugin
      • context-compression

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add Madhan230205/token-reducer

      44GitHub starsstable
    • 14

      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
    • 15

      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
      • 16

        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
        • 17

          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
          • 18

            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
          • 19

            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
          • 20

            MCP
            Active

            Tinder for your Claude Code skills, subagents and MCP servers. Swipe away what wastes context, scan for prompt injection, get honest token costs. Fixes what it finds and actually deletes. Zero dependencies, Claude Code + Codex.

            ShellLicense: MIT
            • agent-skills
            • ai-agents
            • claude
            • claude-code
            • claude-code-marketplace

            githubmeasured growthOpen source ↗

            115GitHub stars+1 (+0.88 %)
          • 21

            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
          • 22

            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
          • 23

            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—
          • 24

            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
          • 25

            Skill
            Active

            Claude Code plugin that tracks token usage, identifies wasted context, and saves 30-50% on API costs. Heatmaps, ROI reports, budget alerts, efficiency scores, git-aware suggestions — all local, zero config.

            JavaScriptLicense: MIT
            • ai-tools
            • anthropic
            • claude-code
            • claude-code-plugin
            • cli-plugin

            githubmeasured growthOpen source ↗

            Install /plugin marketplace add egorfedorov/claude-context-optimizer

            105GitHub stars+4 (+4.0 %)