Registry › Compare › MCP Inspector vs Pi MCP Adapter

MCP Inspector vs Pi MCP Adapter

MCP Inspector leads on trust: 91.3/100 (Grade A) against 76.0/100 (Grade B), a 15.3-point gap. MCP Inspector leads on provenance and supply-chain integrity.

A MCP Inspector 91.3

Visual testing tool for MCP servers

modelcontextprotocol/inspector · #13 overall · #1 Protocols & Tool Integration · coverage B (3/5)

Choose MCP Inspector if provenance and supply-chain integrity matter most.

+7.2Identity / Provenance: package provenance attested, against none
+6.6Safety / Integrity: OSSF Scorecard 7.1 against 5.3
+2.3Adoption: 455.7k weekly downloads against 278.1k
+1.5Transparency: OSSF Scorecard 7.1 against 5.3

B Pi MCP Adapter 76.0

Token-efficient MCP adapter for Pi coding agent

nicobailon/pi-mcp-adapter · #211 overall · #8 Protocols & Tool Integration · coverage B (3/5)

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

Where they differ

17.9

Safety / IntegrityMCP Inspector +6.6

11.3

18.0

Identity / ProvenanceMCP Inspector +7.2

10.8

14.5

TransparencyMCP Inspector +1.5

13.0

19.9

MaintenancePi MCP Adapter +0.1

20.0

17.2

AdoptionMCP Inspector +2.3

14.9

+3.8

Runtime calibrationPi MCP Adapter +2.2

+6.0

Full evidence table

An independent, evidence-based trust comparison of MCP Inspector and Pi MCP Adapter, 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 Inspectormodelcontextprotocol/inspector	Pi MCP Adapternicobailon/pi-mcp-adapter
HVTrust score	91.3	76.0
Evidence grade	A	B
Coverage grade	B	B
Overall rank	#13	#211
Rank in Protocols & Tool Integration	#1	#8
GitHub stars	11.0k	1.6k
Last updated	1d ago	today
Build provenance	Yes	No
OSSF Scorecard	7.1 / 10	5.3 / 10
License	NOASSERTION	MIT
Downloads	456k/wk	278k/wk
Trust dimensions (points earned)
Safety / integrity / 25	17.9	11.3
Identity & provenance / 18	18.0	10.8
Transparency / 17	14.5	13.0
Maintenance / 20	19.9	20.0
Adoption / 20	17.2	14.9
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	—	—
Requires API keys	No	No
Plugin surface	—	—
Provenance drift	Match	Match

Open in the live compare tool → MCP Inspector profile Pi MCP Adapter 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 →