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MCP Python SDK

#24 · by Anthropic, PBC.
4.52/ 5.00
trustedBeta
Sep 16, 2026 at 3:16 PM6 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%4.2

6 CVE(s) found — 0 unpatched

via OSV.dev

Dependency Healthno data

Weight redistributed to sub-signals with data

Supply Chain43%4.8

86 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 1000 checks

via Health checks

Response Latency25%4.0

p99: 429ms, p50: 165ms

via Health checks

Error Rate20%5.0

0.00% error rate (0/1000)

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%5.0

via GitHub

Release Cadence31%4.0

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

1 of 4 sub-signals with data

Download Volumeno data

Weight redistributed to sub-signals with data

GitHub Stars100%5.0

24,307 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%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 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: 1.0 (0 services), External: 5.0 (50676 followers, 188037 stars)

via Fabric index

Org Maturity30%3.5

Organization, 2.0 years old

via GitHub

Community Standing20%3.0

42 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

Official Python SDK for the Model Context Protocol, providing tools and utilities for building MCP servers and clients.

Service Health (30d)
100.00%
p50: 165ms · p99: 429ms
Avg Latency
177ms
averaged across 30d health checks
Weekly Downloads
no package registry data
Incidents & Alertslast 90 days
Jul 8Critical CVE detected — patched in v1.23.04.45
Mar 7MCP Python SDK added to Trust Index4.42
Feb 24Trust score increased by 2.074.59
Feb 23MCP Python SDK added to Trust Index4.66
Showing 4 of 4 events
Score History90 snapshots
5.003.752.501.250.00
Feb 23Mar 5
Supply Chain & Dependenciestrust chain
anyio
pypi · >=4.9; python_version < "3.14"
httpx
pypi · <1.0.0,>=0.27.1 · 2 CVEs1L1C
httpx-sse
pypi · >=0.4
httpx2
pypi · >=2.5.0 · 10 CVEs2L2H5M1C
jsonschema
pypi · >=4.20.0
mcp-types
pypi · ==2.2.0
Showing 6 of 21 dependencies
Data Sources6 indexed
Version Historyscore per release
VERSIONRELEASEDSCOREDELTA
v2.2.0Sep 7, 20264.34
v1.30.0Sep 7, 20264.34
v2.0.1Aug 26, 20264.34
v2.1.1Aug 25, 20264.34
v2.1.0Aug 24, 20264.34
v1.29.1Aug 24, 20264.34
Showing 6 of 10 releases

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