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@langchain/mcp-adapters

#6 · by LangChain
4.65/ 5.00
trustedBeta
Mar 12, 2026 at 11:01 PM6 signals analysedNo manual reviews · fully automated
Trust Signal Breakdown
high23 sub-signals across 6 dimensions

CVEs, dependency health, and supply chain integrity

3 of 3 sub-signals with data

Known CVEs40%5.0

No known CVEs

via OSV.dev

Dependency Health30%5.0

3 dependencies (minimal)

via npm / PyPI

Supply Chain30%4.8

18 transitive CVEs found (penalty: -0.25)

via npm provenance

Uptime, latency, error rates, and incident history

4 of 4 sub-signals with data

Uptime35%4.5

99.87% over 775 checks

via Health checks

Response Latency25%4.0

p99: 364ms, p50: 124ms

via Health checks

Error Rate20%4.0

0.13% error rate (1/775)

via Health checks

Incident History20%2.0

4 incidents in last 90 days

via Incidents table

Commit recency, release cadence, issue response, CI/CD

4 of 4 sub-signals with data

Commit Recency30%5.0

via GitHub

Release Cadence25%5.0

via GitHub

Issue Response20%3.0

via GitHub

CI/CD Presence25%5.0

via GitHub Actions

Downloads, stars, dependents, and growth trajectory

3 of 4 sub-signals with data

Download Volume43%4.5

1,634,009 weekly downloads

via npm / PyPI

GitHub Stars36%5.0

17,175 stars

via GitHub

Dependent Packagesno data

Weight redistributed to sub-signals with data

Growth Trend21%5.0

+577.6% week-over-week

via npm

License, documentation, security policy, changelog

4 of 4 sub-signals with data

Open Source30%5.0

Public repo with OSI-approved license (mit)

via GitHub

Documentation25%5.0

Docs site present with comprehensive README (>2000 bytes + examples)

via GitHub

Security Policy20%5.0

SECURITY.md inherited from org .github repo

via GitHub

Changelog25%4.0

Releases exist but no CHANGELOG.md

via GitHub

Track record, org maturity, community standing

4 of 4 sub-signals with data

Track Record30%5.0

Internal: 5.0 (14 services), External: 4.5 (16766 followers, 32428 stars)

via Fabric index

Org Maturity30%4.5

Organization, 3.0 years old

via GitHub

Community Standing20%5.0

226 public repositories

via GitHub

Cross-Platform20%5.0

Present on 3 platform(s): github, npm, pypi

via Registry scan

About this score
Scored across 23 sub-signals in 6 dimensionsScoring engine v1 (beta) — actively being expandedPhase 1: Core sub-signal architecture (live)Phase 2: Permission scope & expanded collection (in progress)
Trust AssessmentAI Assessment

LangChain.js adapters for Model Context Protocol (MCP)

Service Health (30d)
99.87%
p50: 124ms · p99: 364ms
Avg Latency
137ms
averaged across 30d health checks
Weekly Downloads
no package registry data
Incidents & Alertslast 90 days
Mar 4Trust score increased by 1.554.79
Mar 1Trust score decreased by 1.153.24
Feb 25Trust score increased by 0.954.39
Feb 21@langchain/mcp-adapters added to Trust Index2.66
Showing 4 of 4 events
Score History90 snapshots
5.003.752.501.250.00
Feb 21Mar 1
Supply Chain & Dependenciestrust chain
@modelcontextprotocol/sdk
npm · ^1.26.0 · 3 CVEs3H
debug
npm · ^4.4.3 · 4 CVEs2L2H
langchain-core
pypi · <2.0.0,>=1.0.0 · 7 CVEs3L1H2M1C
mcp
pypi · >=1.9.2 · 3 CVEs3H
typing-extensions
pypi · >=4.14.0
zod
npm · ^3.25.76 || ^4 · 1 CVE1M
Showing 6 of 6 dependencies
Data Sources6 indexed
Version Historyscore per release
VERSIONRELEASEDSCOREDELTA
@langchain/google-vertexai-web@2.1.25Mar 11, 20264.71
@langchain/google-webauth@2.1.25Mar 11, 20264.71
@langchain/openai@1.2.13Mar 11, 20264.71
@langchain/openrouter@0.1.6Mar 11, 20264.71
@langchain/xai@1.3.9Mar 11, 20264.71
@langchain/google@0.1.6Mar 11, 20264.71
Showing 6 of 10 releases

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