langserve

Name: langserve
Rating: 0.99 (1 reviews)
Author: LangChain

#5733 · by LangChain

framework

0.99/ 5.00

blockedBeta

Mar 14, 2026 at 2:05 AM6 signals analysedNo manual reviews · fully automated

Trust Signal Breakdown

high23 sub-signals across 6 dimensions

CVEs, dependency health, and supply chain integrity

2 of 3 sub-signals with data

Known CVEs57%5.0

No known CVEs

via OSV.dev

Dependency Healthno data—

Weight redistributed to sub-signals with data

Supply Chain43%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%5.0

100.00% over 3 checks

via Health checks

Response Latency25%5.0

p99: 62ms, p50: 9ms

via Health checks

Error Rate20%5.0

0.00% error rate (0/3)

via Health checks

Incident History20%4.0

1 incidents in last 90 days

via Incidents table

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

3 of 4 sub-signals with data

Commit Recency37%4.0

via GitHub

Release Cadence31%2.0

via GitHub

Issue Responseno data—

Weight redistributed to sub-signals with data

CI/CD Presence31%5.0

via GitHub Actions

Downloads, stars, dependents, and growth trajectory

2 of 4 sub-signals with data

Download Volume55%3.5

77,988 weekly downloads

via npm / PyPI

GitHub Stars45%3.0

2,282 stars

via GitHub

Dependent Packagesno data—

Weight redistributed to sub-signals with data

Growth Trendno data—

Weight redistributed to sub-signals with data

License, documentation, security policy, changelog

4 of 4 sub-signals with data

Open Source30%3.0

Public repo with non-OSI license (noassertion)

via GitHub

Documentation25%4.0

Good README (>2000 bytes with examples)

via GitHub

Security Policy20%5.0

SECURITY.md present

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 (16834 followers, 32182 stars)

via Fabric index

Org Maturity30%4.5

Organization, 3.0 years old

via GitHub

Community Standing20%5.0

227 public repositories

via GitHub

Cross-Platform20%3.0

Present on 2 platform(s): github, 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

LangServe is a framework published by LangChain with no declared license (NOASSERTION status) for deploying LangChain applications as APIs. The service shows strong operational reliability with perfect uptime and no known vulnerabilities, though adoption remains moderate at 90K weekly downloads. The project's own documentation warns users to prefer LangGraph Platform instead, suggesting this may be a deprecated or transitioning codebase worth evaluating carefully before new implementations.

Generated by Fabric AI · Mar 4, 2026 at 10:51 PM

Package Availability (30d)

100.00%

p50: 9ms · p99: 62ms

Avg Latency

26ms

averaged across 30d health checks

Weekly Downloads

78.0k

PyPI weekly

Transparency & Compliance3/5 passed

✓