io.github.Koala-Studios/newton-browser
NPM · NEWTON-BROWSER · SCANNED AUG 3
Local-only Chrome and Edge control for MCP clients through an origin-scoped extension.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security88
- No malware found by supply-chain analysis.Pass
- No known CVEs affecting this package version or its production dependencies.Pass
- No install/post-install scripts declared.Pass
- 1 of 1 dependencies flagged as unhealthy (1 deprecated). View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 21 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability43
- AI-judged instruction clarity (poor).Fail
- Tool/resource definitions use about 592 tokens (~53/item across 11 items; 11 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
- Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage67
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 0% of tool parameters carry a description.Fail
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · newton-browser
claude mcp add koala-studios-newton-browser -- npx -y newton-browser
codex mcp add koala-studios-newton-browser -- npx -y newton-browser
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"koala-studios-newton-browser": {
"type": "local",
"command": [
"npx",
"-y",
"newton-browser"
],
"enabled": true
}
}
} openclaw mcp add koala-studios-newton-browser --command npx --arg -y --arg newton-browser
mcp_servers:
koala-studios-newton-browser:
command: "npx"
args: ["-y", "newton-browser"] {
"mcpServers": {
"koala-studios-newton-browser": {
"command": "npx",
"args": [
"-y",
"newton-browser"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 2 Aug 26 +15
- Malware scan: unverified → pass ▲ security
- Dependency health: 1.00 → 0.00 ▼ functional
- Stability: unverified → 0.20 ▲ functional
- 1 Aug 26 −6
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 31 Jul 26 −18
- Malware scan: pass → unverified ▼ security
- 27 Jul 26 +21
- Tool coverage: unverified → 100 ▲ functional
- First check of Tool coverage: 0 functional
- First check of Schema quality: fail functional
- First check of Schema quality: poor functional
- First check of Schema quality: pass functional
- 26 Jul 26 47
First indexed and scored.
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Analysed npm/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 1 package
1 package in the resolved dependency tree · 1 deprecated.
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
browser.act ~41
Run one typed browser action and return its floor decision.
| Name | Type | Req | Description |
|---|---|---|---|
| action | object | yes | — |
| sessionId | string | yes | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.console ~84
Read the session tab's buffered console output (read-only). Filter by level/pattern; clear:true empties the buffer. Headers and raw objects are never included.
| Name | Type | Req | Description |
|---|---|---|---|
| clear | boolean | — | — |
| level | string | — | — |
| limit | number | — | — |
| pattern | string | — | — |
| sessionId | string | yes | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.network ~83
List the session tab's buffered network request metadata (read-only, no headers). Pass requestId to fetch one response body, returned only when its URL origin is within the session grant.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | number | — | — |
| requestId | string | — | — |
| sessionId | string | yes | — |
| transport | string | — | — |
| urlPattern | string | — | — |
No output schema declared.
No examples provided.
browser.observe ~70
Observe the current session tab. mode:"text" returns bounded, redacted readable page text instead of the accessibility tree.
| Name | Type | Req | Description |
|---|---|---|---|
| maxChars | number | — | — |
| maxNodes | number | — | — |
| mode | string | — | — |
| sessionId | string | yes | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.screenshot ~96
Capture and deliver a screenshot.
| Name | Type | Req | Description |
|---|---|---|---|
| delivery | string | — | — |
| device | string | — | — |
| filename | string | — | — |
| format | string | — | — |
| fullPage | boolean | — | — |
| outputDirectory | string | — | — |
| quality | number | — | — |
| region | object | — | — |
| sessionId | string | yes | — |
| transport | string | — | — |
| waitMs | number | — | — |
No output schema declared.
No examples provided.
browser.session.start ~72
Start and attach an origin-scoped browser session.
| Name | Type | Req | Description |
|---|---|---|---|
| allowedOrigins | array | — | — |
| goal | string | — | — |
| incognito | boolean | — | — |
| instanceLabel | string | — | — |
| origin | string | yes | — |
| tabMode | string | — | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.session.stop ~29
Stop one local session.
| Name | Type | Req | Description |
|---|---|---|---|
| sessionId | string | yes | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.status ~30
Report local host, extension, protocol, authentication mode, and limit readiness.
| Name | Type | Req | Description |
|---|---|---|---|
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.stop_all ~21
Stop all local sessions.
| Name | Type | Req | Description |
|---|---|---|---|
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.tabs.finalize ~43
Close, retain, or hand off one session tab.
| Name | Type | Req | Description |
|---|---|---|---|
| disposition | string | yes | — |
| sessionId | string | yes | — |
| transport | string | — | — |
No output schema declared.
No examples provided.
browser.tabs.list ~23
List this host's local sessions.
| Name | Type | Req | Description |
|---|---|---|---|
| transport | string | — | — |
No output schema declared.
No examples provided.