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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96 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
    Active

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

    mcpmeasured growthOpen source ↗

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

    2GitHub starsstable
  2. 2

    Skill
    Dormant

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

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add sheeki03/Few-Word

    38GitHub starsstable
  3. 3
    Active

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

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add AshishKumar4/better-compact

    12GitHub stars+1 (+9.1 %)
  4. 4

    MCP
    Active

    Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.

    githubmeasured growthOpen source ↗

    434GitHub stars+5 (+1.2 %)
  5. 5

    Skill
    Active

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

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add GabrielBarberini/laconic

    19GitHub starsstable
  6. 6

    Other
    Dormant

    Translate any language to English before Claude processes it. ~49% token savings combined with caveman.

    githubmeasured growthOpen source ↗

    2GitHub starsstable
  7. 7

    MCP
    Dormant

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

    githubmeasured growthOpen source ↗

    35GitHub starsstable
  8. 8

    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…

    githubmeasured growthOpen source ↗

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

    155GitHub stars+8 (+5.4 %)
  9. 9
    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.

    githubmeasured growthOpen source ↗

    115GitHub stars+1 (+0.88 %)
  10. 10
    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.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add Jimmynycu/token-efficiency

    2GitHub starsstable
  11. 11
    Dormant

    Convert long AI conversations into portable conversation state graphs for LLM handoffs.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Adityapal67/context-graph-compressor ~/.claude/skills/context-graph-compressor

    35GitHub starsstable
  12. 12

    Skill
    Active

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

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add WaterTian/cc-hud

    8GitHub starsstable
  13. 13
    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 +…

    githubmeasured growthOpen source ↗

    8GitHub starsstable
  14. 14
    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…

    githubmeasured growthOpen source ↗

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

    33GitHub starsstable
  15. 15

    Skill
    Dormant

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

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add o4f6bgpac3/concise

    11GitHub stars+2 (+22.2 %)
  16. 16

    Skill
    Dormant

    Agent context gate for Codex, Claude Code, Copilot, MCP, Cursor, Cline, Gemini and Windsurf repos

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/grnbtqdbyx-create/contextforge ~/.claude/skills/contextforge

    1GitHub starsstable
  17. 17
    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.

    githubmeasured growthOpen source ↗

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

    105GitHub stars+4 (+4.0 %)
  18. 18
    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.

    githubmeasured growthOpen source ↗

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

    31GitHub starsstable
  19. 19
    Active

    Claude Code skill — delegate coding tasks to Opencode, supervise via git diff & save 50-90% Claude token usage

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/pcx-wave/opencode-skill ~/.claude/skills/opencode-skill

    17GitHub stars+1 (+6.2 %)
  20. 20
    Active

    Compact, source-linked context packs that reduce token waste for coding agents.

    mcpmeasured growthOpen source ↗

    Install claude mcp add capsule -- npx capsulectx

    4GitHub starsstable
  21. 21
    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.

    githubmeasured growthOpen source ↗

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

    31GitHub starsstable
  22. 22
    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.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add sofumel/claude-handoff-revive

    6GitHub starsstable
  23. 23
    Active

    23 Claude Code plugins: TDD enforcement hooks, git/PR workflows, spec-driven development, code review, project lifecycle, fix-from-error, maintenance automation, context optimization, research, and multi-LLM delegation. 186 skills, 128…

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/athola/claude-night-market ~/.claude/skills/claude-night-market

    335GitHub stars+3 (+0.90 %)

Listed without a public metric

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
    UnknownLast commit: unavailable

    Cut LLM token costs: count tokens, estimate cost, slim prompts, and pick the cheapest capable model.

    mcpmetric not publishedOpen source ↗

    Install claude mcp add mcp-token-optimizer -- npx mcp-token-optimizer

    No public metric provided
  2. 2
    UnknownLast commit: unavailable

    LLM caching proxy (x402 USDC on Base) - exact + semantic cache. Free health.

    mcpmetric not publishedOpen source ↗

    Remote server, to be declared in the MCP configuration https://cache.api.ainode.tech/mcp

    No public metric provided