Token efficiency: tools for developers

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

   token_consumer

   CLI

   ActiveLast commit 6 days ago · 2026-08-28

   Measure and shrink the token cost of Claude Code skills, tier by tier: the always-on system-prompt tax, the per-invocation body, and on-demand references, each priced at the rate it is actually billed.

   PythonLicense: MIT

   • claude
   • claude-code
   • claude-code-skills
   • cli
   • cost-optimization

   githubcreated 37 days agomeasured growthOpen source ↗

   1GitHub starsstable
2. 2

   nekte

   Other

   DormantLast commit 4 months ago · 2026-04-09

   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

   githubcreated 5 months agomeasured growthOpen source ↗

   1GitHub starsstable
3. 3

   ComparEdge LLM Cost

   MCP

   ActiveLast commit 54 days ago · 2026-07-10

   Token cost math for LLM API calls: verified per-1M-token rates for 69 models, 17 providers.

   ↓ 27 downloads/weekJavaScriptLicense: MIT

   mcpcreated 54 days agomeasured growthOpen source ↗

   Install claude mcp add comparedge-llm-cost -- npx @comparedge/llm-cost-mcp

   2GitHub starsstable
4. 4

   io.github.eralpozcan/vision-squeezer

   MCP

   ActiveLast commit 43 days ago · 2026-07-22

   Cut vision-LLM token costs by snapping images to tile boundaries — Claude, GPT, Gemini, Llama, Qwen

   ↓ 53 downloads/weekRustLicense: NOASSERTION

   mcpcreated 3 months agomeasured growthOpen source ↗

   Install claude mcp add vision-squeezer -- npx vision-squeezer

   2GitHub starsstable
5. 5

   io.github.pgalyen1987/gate402-mcp

   MCP

   ActiveLast commit 31 days ago · 2026-08-03

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

   JavaScriptLicense: MIT

   mcpcreated 2 months agomeasured growthOpen source ↗

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

   2GitHub stars+1 (+100.0 %)
6. 6

   hush

   Skill

   ActiveLast commit 1 day ago · 2026-09-01

   🤫 Token-lean sessions at the harness level. An easy to grasp output style, output-shrinking hooks, and log compression cut both input and output tokens.

   JavaScriptLicense: MIT

   • agent-skills
   • ai
   • anthropic
   • claude
   • claude-code

   githubcreated 58 days agomeasured growthOpen source ↗

   Install /plugin marketplace add V-Songbird/hush

   47GitHub stars+4 (+9.3 %)
7. 7

   rosetta

   Other

   DormantLast commit 3 months ago · 2026-05-12

   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

   githubcreated 3 months agomeasured growthOpen source ↗

   2GitHub starsstable
8. 8

   token-reducer

   Skill

   DormantLast commit 4 months ago · 2026-05-02

   ⚡ 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

   githubcreated 5 months agomeasured growthOpen source ↗

   Install /plugin marketplace add Madhan230205/token-reducer

   44GitHub starsstable
9. 9

   SpanishCaveMan

   Skill

   ActiveLast commit 20 days ago · 2026-08-13

   Claude Code skill: caveman-style token efficiency, spoken with a real Spanish regional accent

   JavaScriptLicense: MIT

   • agent-skills
   • ai-agents
   • anthropic
   • claude-code
   • claude-code-plugin

   githubcreated 28 days agonewmeasured growthOpen source ↗

   Install /plugin marketplace add Mun1to/SpanishCaveMan

   2GitHub starsstable
10. 10

    io.github.alphaonedev/ai-memory

    MCP

    ActiveLast commit 5 days ago · 2026-08-29

    Persistent memory for any AI — zero token cost until recall

    RustLicense: Apache-2.0

    mcpcreated 5 months agomeasured growthOpen source ↗

    44GitHub stars+3 (+7.3 %)
11. 11

    cycgraph

    Agent

    ActiveLast commit 8 days ago · 2026-08-25

    Agent context compressor and memory persistent orchestration

    TypeScriptLicense: Apache-2.0

    • a2a-protocol
    • agent-framework
    • ai
    • ai-agents-framework
    • ai-tools

    githubcreated 5 months agomeasured growthOpen source ↗

    2GitHub starsstable
12. 12

    io.github.shivam-app-developers/ai-optimizer

    MCP

    ActiveLast commit 31 days ago · 2026-08-03

    MCP server that cuts AI coding agent token usage via framework-aware context optimization

    ↓ 19 downloads/weekTypeScriptLicense: NOASSERTION

    mcpcreated 2 months agomeasured growthOpen source ↗

    Install claude mcp add ai-optimizer -- npx @ai-optimizer/core

    0GitHub starsstable
13. 13

    compactor-skill

    Other

    ActiveLast commit 2 months ago · 2026-06-15

    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

    githubcreated 4 months agomeasured growthOpen source ↗

    2GitHub starsstable
14. 14

    unclog

    MCP

    DormantLast commit 4 months ago · 2026-04-25

    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

    githubcreated 4 months agomeasured growthOpen source ↗

    35GitHub starsstable
15. 15

    claude-lean-skill

    Other

    ActiveLast commit 2 months ago · 2026-06-10

    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

    githubcreated 5 months agomeasured growthOpen source ↗

    2GitHub starsstable
16. 16

    context-graph-compressor

    Skill

    DormantLast commit 3 months ago · 2026-05-30

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

    License: MIT

    • age
    • agent
    • ai
    • chatgpt
    • claude-ai

    githubcreated 3 months agomeasured growthOpen source ↗

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

    35GitHub starsstable
17. 17

    token-efficiency

    Skill

    ActiveLast commit 2 months ago · 2026-06-17

    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

    githubcreated 2 months agomeasured growthOpen source ↗

    Install /plugin marketplace add Jimmynycu/token-efficiency

    2GitHub starsstable
18. 18

    claude-code-eco

    Skill

    ActiveLast commit 18 days ago · 2026-08-16

    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

    githubcreated 2 months agomeasured growthOpen source ↗

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

    33GitHub starsstable
19. 19

    io.github.semihkayan/codeweave

    MCP

    DormantLast commit 3 months ago · 2026-05-26

    Save tokens while coding — your AI agent gets structured code context, not file dumps.

    ↓ 67 downloads/weekTypeScriptLicense: Apache-2.0

    mcpcreated 5 months agomeasured growthOpen source ↗

    Install claude mcp add codeweave -- npx @codeweave/mcp

    4GitHub starsstable
20. 20

    claude-rolling-context

    Skill

    ActiveLast commit 5 days ago · 2026-08-28

    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

    githubcreated 6 months agomeasured growthOpen source ↗

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

    31GitHub stars+1 (+3.3 %)
21. 21

    io.github.Arrayo/smart-context-mcp

    MCP

    ActiveLast commit 2 months ago · 2026-06-11

    Reduces AI agent token usage by 90% via context compression and task checkpoint persistence.

    ↓ 98 downloads/weekJavaScriptLicense: MIT

    mcpcreated 5 months agomeasured growthOpen source ↗

    Install claude mcp add smart-context-mcp -- npx smart-context-mcp

    4GitHub starsstable
22. 22

    super-token-saver

    Skill

    ActiveLast commit 2 days ago · 2026-09-01

    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

    githubcreated 4 months agomeasured growthOpen source ↗

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

    31GitHub starsstable
23. 23

    io.github.dawitlabs/capsule

    MCP

    ActiveLast commit 2 months ago · 2026-07-03

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

    TypeScriptLicense: MIT

    mcpcreated 2 months agomeasured growthOpen source ↗

    Install claude mcp add capsule -- npx capsulectx

    4GitHub starsstable
24. 24

    claude-teams-brain

    Skill

    DormantLast commit 5 months ago · 2026-03-15

    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

    githubcreated 5 months agomeasured growthOpen source ↗

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

    26GitHub starsstable
25. 25

    claude-power-skills

    Skill

    ActiveLast commit 41 days ago · 2026-07-24

    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

    githubcreated 5 months agomeasured growthOpen source ↗

    Install git clone https://github.com/irfad7/claude-power-skills ~/.claude/skills/claude-power-skills

    4GitHub starsstable