Fastest-growing npm packages this week

1. 1
   metaharness↗

   MetaHarness — mint a custom AI agent harness from any repo. Browser Studio + `npx metaharness` CLI. Runs on Claude Code, Codex, pi.dev, Hermes, OpenClaw, RVM, Prime Agent.

   v0.4.21
   ↗+206%179.1K/wk
2. 2
   mcp-remote↗

   Remote proxy for Model Context Protocol, allowing local-only clients to connect to remote servers using oAuth

   v0.16.5
   ↗+156%2M/wk
3. 3
   ruvector↗

   Self-learning vector database for Node.js — native HNSW, ONNX embeddings, GNN, attention, SONA routing, and an MCP server for agents

   v0.3.14
   ↗+110%249K/wk
4. 4
   use-webmcp-tool↗

   React hook for registering WebMCP tools (document.modelContext) with lifecycle-managed registration and MCP result normalization.

   v0.3.0
   ↗+77%122.4K/wk
5. 5
   evlog↗

   Modern TypeScript logger — simple logs, wide events, structured errors. Built for scripts, libraries, jobs, edge, and HTTP. One drain pipeline everywhere.

   v2.35.1
   ↗+75%1.3M/wk
6. 6
   polotno↗

   3

   Design editor SDK: embed a Canva-like editor, generate designs from templates and data, export PNG, PDF, and video in the browser or on a server.

   v4.19.1
   ↗+45%73.7K/wk
7. 7
   agentic-flow↗

   The agentic meta-harness — freeze the model, evolve the harness. An open runtime that routes each query to the cost-optimal model, evolves its own harness (planner/context/reviewer/retry/tool/memory/score policy) and…

   v3.4.1
   ↗+43%153.3K/wk
8. 8
   boneyard-js↗

   2

   Pixel-perfect skeleton loading screens. Wrap your component in <Skeleton> and boneyard snapshots the real DOM layout — no manual descriptors, no configuration.

   v1.10.0
   ↗+43%244K/wk
9. 9
   eve↗

   1

   Filesystem-first framework for durable backend AI agents that run anywhere.

   v1.0.0-rc.6
   ↗+30%2.4M/wk
10. 10
    e2e↗

    1

    SDK, runner, and CLI for agentic end-to-end testing

    v0.23.0
    ↗+29%786.7K/wk
11. 11
    vite-svg-loader↗

    1

    Vite plugin to load SVG files as Vue components

    v5.1.3
    ↗+29%1M/wk
12. 12
    firecrawl-mcp↗

    11

    Firecrawl MCP server, the context API for AI agents: search, scrape, parse, crawl, map, and interact with the web, run Agent and Monitor jobs, and search scientific papers (PubMed, bioRxiv, medRxiv, arXiv). Works with…

    v3.38.0
    ↗+25%191.5K/wk
13. 13
    acpx↗

    1

    Headless CLI client for the Agent Client Protocol (ACP) — talk to coding agents from the command line

    v0.22.0
    ↗+24%680K/wk
14. 14
    configure↗

    6

    Identity layer SDK for AI agents

    v1.7.6
    ↗+22%36.9K/wk
15. 15
    bash-tool↗

    New

    Generic bash tool for AI agents, compatible with AI SDK

    v1.3.19
    ↗+22%383.2K/wk
16. 16
    nitro↗

    1

    Build and Deploy Universal JavaScript Servers

    v3.0.261103-rc
    ↗+21%8.8M/wk
17. 17
    vite-plugin-lib-inject-css↗

    1

    Inject css at the top of chunk file in lib mode using `import` statement, support multiple entries.

    v2.2.2
    ↗+20%517.9K/wk
18. 18
    hyparquet-writer↗

    3

    Parquet file writer for JavaScript

    v0.18.0
    ↗+18%1.3M/wk
19. 19
    vite-plugin-commonjs↗

    10

    A pure JavaScript implementation of CommonJs

    v0.10.4
    ↗+17%3.3M/wk
20. 20
    cf↗

    2

    The Cloudflare CLI

    v1.0.0-beta.28
    ↗+15%754.2K/wk
21. 21
    sherpa-onnx-linux-x64↗

    3

    Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

    v2.0.1
    ↗+15%1M/wk
22. 22
    agent-cli-detector↗

    2

    Detect whether a JavaScript CLI is running inside a coding agent.

    v0.1.7
    ↗+15%13.3M/wk
23. 23
    sandbox-cli-detector↗

    1

    Detect whether a CLI is running inside a sandboxed environment

    v0.2.0
    ↗+14%10.5M/wk
24. 24
    grid-layout-plus↗

    3

    <p align="center"> <a href="https://grid-layout-plus.netlify.app/" target="_blank" rel="noopener noreferrer"> <img src="./docs/public/grid-layout-plus.svg" width="180" style="width: 120px;" /> </a> </p>

    v1.1.1
    ↗+13%210.4K/wk
25. 25
    sherpa-onnx-node↗

    6

    Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

    v2.0.1
    ↗+13%1.3M/wk
26. 26
    code-inspector-plugin↗

    New

    Click the dom on the page, it will open your IDE and position the cursor to the source code location of the dom.

    v2.0.9
    ↗+13%434.5K/wk
27. 27
    mcp-evals↗

    1

    GitHub Action for evaluating MCP server tool calls using LLM-based scoring

    v2.0.1
    ↗+12%59.9K/wk
28. 28
    vite-plugin-istanbul↗

    New

    vite-plugin-istanbul ==========================

    v9.0.1
    ↗+12%1.5M/wk
29. 29
    deepagents↗

    2

    Deep Agents - a library for building controllable AI agents with LangGraph

    v1.16.3
    ↗+12%668K/wk
30. 30
    am-i-vibing↗

    5

    Detect agentic coding environments and AI assistant tools

    v0.5.0
    ↗+12%8.3M/wk
31. 31
    binary-version-check↗

    1

    Check whether a binary version satisfies a semver range

    v6.1.0
    ↗+12%5.1M/wk
32. 32
    vite-plugin-dynamic-import↗

    New

    Enhance Vite builtin dynamic import

    v1.6.0
    ↗+12%3.5M/wk
33. 33
    hyparquet↗

    8

    Parquet file parser for JavaScript

    v1.33.0
    ↗+12%3.1M/wk
34. 34
    slack-mcp-server↗

    5

    Model Context Protocol (MCP) server for Slack Workspaces. This integration supports both Stdio and SSE transports, proxy settings and does not require any permissions or bots being created or approved by Workspace admins

    v1.3.0
    ↗+11%54.7K/wk
35. 35
    vite-plugin-singlefile↗

    New

    Vite plugin for inlining all JavaScript and CSS resources

    v2.3.4
    ↗+11%3.2M/wk
36. 36
    laravel-vite-plugin↗

    New

    Laravel plugin for Vite.

    v3.2.1
    ↗+11%2.9M/wk
37. 37
    vite-plugin-compression2↗

    3

    a fast vite compression plugin

    v2.5.4
    ↗+11%677.4K/wk
38. 38
    add-mcp↗

    6

    Add MCP servers to your favorite coding agents with a single command.

    v2.6.1
    ↗+11%380.5K/wk
39. 39
    cypress-vite↗

    New

    Run Cypress specs using Vite

    v1.10.2
    ↗+10%206K/wk
40. 40
    react-freeze↗

    6

    React Freeze

    v1.0.4
    ↗+9%14.4M/wk

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