MCP.Market

Yaver MCP server

by yaver-io·io.github.yaver-io/yaver·v1.99.478·4 stars
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Phone-first OpenCode MCP for trusted devices: run, build, deploy, and manage endpoint-local tools.

C57/100grade C
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Safety scan
C57/100

full report

Adoption
Growing

4 stars1.4k downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Yaver tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.10 · 2026-10-15 · same rubric, same numbers if you re-run it

1 high2 medium
  • Code scan26 source files scanned3/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 4 days ago15/15
  • Maintainer identityregistry namespace matches repository owner7/10

Findings (3)

  • mediumnpm install lifecycle script presentinstall.script
  • mediumnpm install lifecycle script presentinstall.script
    package.json: …est": "node --test test/*.test.js", "postinstall": "node src/postinstall.js", "preunin…
  • highShell command built from a string (injection risk)exec.shell-concat
    src/commands/doctor.js: …ction commandExists(name) { try { execSync(`command -v ${name}`, { stdio: ['ignore', 'pipe', 'ign…
Overall 57/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Yaver compares

Against every graded Developer tools MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
57/100
higher than 11% of 1,119 Developer tools servers
GitHub stars
4
more than 77% of 855 Developer tools servers
Downloads a week
1,374
more than 94% of 436 Developer tools servers with a package

Release history: 6 versions in the registry since 2026-09-13, latest 2026-10-10, typically one every 5 days.

Install Yaver in Claude Code, Cursor or VS Code

Runs npx -y yaver-cli on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add yaver -- npx -y yaver-cli
Add to Cursor

What the publisher says

From the Yaver repository's README, as published. We do not edit it. Read it on GitHub

Watch the full demo →

What Yaver is

AI writes the code in seconds. The loop around it — build, install, reproduce, describe what's wrong, get back to the agent — still takes hours. Yaver closes that loop.

The yaver agent runs on hardware you already own: a Mac, a Linux box, a WSL machine, a Pi, or a VPS. Your coding agent works there, against your real repo. Every other surface — phone, watch, TV, car, AR/VR, browser — is a remote control and a preview target for that one machine.

It runs on the AI subscription you already pay for — no token markup, and your code never leaves your machine.

iOS and Android are the deepest path today. Watch, TV, car, and AR/VR surfaces live in this repo and share the same core.

Quick start

npm install -g yaver-cli
yaver auth
yaver serve

On a headless box (Pi, VPS, SSH-only), yaver auth --headless prints a short code and a URL you can open from any browser.

npm is the only supported install path, on macOS (Apple Silicon + Intel), Linux (x64 + arm64), and Windows via WSL2. It downloads a signed, notarized agent binary for your platform.

Then grab the app and pair it with that machine:

Open Yaver, pick a project from your dev box, preview it on your phone, shake to vibe-code — fix a bug, ship a small feature, or tweak a style — and a fresh bundle lands in seconds. One screen, real device, no extra hardware.

Install or use it from your coding agent

Install the CLI directly, or register Yaver as an MCP server so Claude Code, Codex, or opencode can drive your machine from chat. MCP does not need a global install first — npx pulls the server on first run.

# direct CLI
npm install -g yaver-cli
yaver auth

# or as MCP
# Claude Code
claude mcp add --scope user yaver -- npx -y yaver-cli yaver-mcp

# Codex
codex mcp add yaver -- npx -y yaver-cli yaver-mcp

# opencode
npx -y -p yaver-cli yaver mcp setup opencode

# then, in the agent chat:
call yaver_lazy_setup

To add Yaver to an existing Expo app, give the agent the app directory and ask it to call yaversdkintegrate. The direct deterministic equivalent is:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Yaver: common questions

Is Yaver MCP server safe?
With care: it is graded C, so read the findings first (57/100). Read the Yaver safety report
How do I install Yaver?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Yaver need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is Yaver maintained?
The last commit was 24 days ago (2026-10-11). The latest release is v1.99.478.
What can I use instead of Yaver?
Servers from other publishers that do the same job: walkerOS Flow MCP server, Omnara MCP server and Metaplex Agent Registry MCP server.
How does Yaver compare with other Developer tools MCP servers?
safety score 57/100 (higher than 11% of 1,119 Developer tools servers); github stars 4 (more than 77% of 855 Developer tools servers); downloads a week 1,374 (more than 94% of 436 Developer tools servers with a package). Full comparison.

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