Registry › Compare › MCP Apps vs MCP Python SDK

MCP Apps vs MCP Python SDK

Both are Grade A and 4.6 points apart, so choose on what you weigh most. MCP Python SDK leads on supply-chain integrity and adoption.

A MCP Apps 89.1

Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

modelcontextprotocol/ext-apps · #32 overall · #5 Protocols & Tool Integration · coverage B (3/5)

MCP Apps doesn't lead on any scored dimension in this pair.

A MCP Python SDK 93.7

The official Python SDK for Model Context Protocol servers and clients

modelcontextprotocol/python-sdk · #6 overall · #2 Protocols & Tool Integration · coverage B (3/5)

Choose MCP Python SDK if supply-chain integrity and adoption matter most.

+2.9Safety / Integrity: 100% of recent commits signed, against 68%
+2.7Adoption: 60.6M weekly downloads against 5.3M
+0.8Transparency: OSSF Scorecard 7.1 against 6.1
+0.5Maintenance: last push 3d ago, against 13d ago

Where they differ

18.5

Safety / IntegrityMCP Python SDK +2.9

21.4

13.7

TransparencyMCP Python SDK +0.8

14.5

17.4

MaintenanceMCP Python SDK +0.5

17.9

17.3

AdoptionMCP Python SDK +2.7

20.0

+4.2

Runtime calibrationMCP Apps +2.3

+1.9

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of MCP Apps and MCP Python SDK, two Protocols & Tool Integration projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	MCP Appsmodelcontextprotocol/ext-apps	MCP Python SDKmodelcontextprotocol/python-sdk
HVTrust score	89.1	93.7
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#32	#6
Rank in Protocols & Tool Integration	#5	#2
GitHub stars	2.9k	24.5k
Last updated	13d ago	3d ago
Build provenance	Yes	Yes
OSSF Scorecard	6.1 / 10	7.1 / 10
License	NOASSERTION	MIT
Downloads	5.3M/wk	60.6M/wk
Trust dimensions (points earned)
Safety / integrity / 25	18.5	21.4
Identity & provenance / 18	18.0	18.0
Transparency / 17	13.7	14.5
Maintenance / 20	17.4	17.9
Adoption / 20	17.3	20.0
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	1 — Anthropic	—
Requires API keys	No	No
Plugin surface	plugins	extensions
Provenance drift	Match	Match

Open in the live compare tool → MCP Apps profile MCP Python SDK profile More Protocols & Tool Integration →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →