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 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

    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
    • 2

      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
      • 3

        Skill
        Dormant

        Claude Code plugin that offloads large outputs to filesystem and retrieves when required.

        Python
        • ai-agents
        • claude-code
        • claude-code-hooks
        • claude-code-plugin
        • claude-code-plugins

        githubmeasured growthOpen source ↗

        Install /plugin marketplace add sheeki03/Few-Word

        38GitHub starsstable
      • 4

        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 %)
      • 5

        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
      • 6

        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
      • 7

        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
      • 8

        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
        • 9

          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
        • 10

          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
        • 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

          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

          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
          • 14

            Skill
            Active

            Eco mode for Claude Code. /eco: -31% to -73% output tokens with critical findings intact; /eco-max: up to -75% with lowered effort. Measured hardest on Claude Fable 5 (fable5), deep-studied on Sonnet 5, works on Opus 4.8 too. We publish our…

            JavaScriptLicense: MIT
            • ai-agents
            • anthropic
            • claude
            • claude-ai
            • claude-code

            githubmeasured growthOpen source ↗

            Install /plugin marketplace add sup3x/claude-code-eco

            33GitHub starsstable
          • 15

            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 %)
          • 16

            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
          • 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

              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
            • 19

              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 %)
            • 20

              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
              • 21

                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
                • 22

                  Skill
                  Active

                  Rolling context compression for Claude Code — never hit the context wall. Auto-compresses old messages while keeping recent context verbatim. Zero config, zero latency. Works as a Claude Code plugin.

                  PythonLicense: MIT
                  • ai-agent
                  • ai-coding
                  • anthropic
                  • claude
                  • claude-code

                  githubmeasured growthOpen source ↗

                  Install /plugin marketplace add NodeNestor/claude-rolling-context

                  31GitHub starsstable
                • 23

                  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
                • 24

                  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
                • 25

                  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