Registry › Compare › MCP Apps vs mcpc

MCP Apps vs mcpc

Both are Grade A and 3.9 points apart, so choose on what you weigh most. MCP Apps leads on transparency and adoption; mcpc leads on supply-chain integrity and maintenance.

A MCP Apps 88.0

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

modelcontextprotocol/ext-apps · #62 overall · #7 Protocols & Tool Integration · coverage B (3/5)

Choose MCP Apps if transparency and adoption matter most.

+5.4Adoption: 8.9M weekly downloads against 5.2k
+0.6Transparency: OSSF Scorecard 5.8 against 5.1

A mcpc 84.1

The most compatible MCP CLI client. Supports: tools, resources, prompts, completions, async tasks, skills, stdio and streamable HTTP (MCP 2026-07-28 and 2025-11-25), persistent sessions, OAuth 2.1 with DCR, CIMD, client credentials, and ID-JAG, OS keychain, --json for code mode, grep for tool…

apify/mcpc · #118 overall · #9 Protocols & Tool Integration · coverage B (3/5)

Choose mcpc if supply-chain integrity and maintenance matter most.

+1.2Maintenance: last push 4d ago, against 5d ago
+0.6Safety / Integrity: 96% of recent commits signed, against 68%

Where they differ

18.1

Safety / Integritymcpc +0.6

18.7

13.4

TransparencyMCP Apps +0.6

12.8

16.2

Maintenancemcpc +1.2

17.4

17.6

AdoptionMCP Apps +5.4

12.2

+4.7

Runtime calibrationmcpc +0.3

+5.0

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of MCP Apps and mcpc, 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	mcpcapify/mcpc
HVTrust score	88.0	84.1
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#62	#118
Rank in Protocols & Tool Integration	#7	#9
GitHub stars	3.1k	1.1k
Last updated	5d ago	4d ago
Build provenance	Yes	Yes
OSSF Scorecard	5.8 / 10	5.1 / 10
License	NOASSERTION	Apache-2.0
Downloads	8.9M/wk	5k/wk
Trust dimensions (points earned)
Safety / integrity / 25	18.1	18.7
Identity & provenance / 18	18.0	18.0
Transparency / 17	13.4	12.8
Maintenance / 20	16.2	17.4
Adoption / 20	17.6	12.2
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	1 — Anthropic	—
Requires API keys	No	Yes
Plugin surface	plugins	—
Provenance drift	Match	Match

Open in the live compare tool → MCP Apps profile mcpc 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 →