Registry › Compare › FastMCP (TypeScript) vs MCP Inspector

FastMCP (TypeScript) vs MCP Inspector

MCP Inspector leads on trust: 91.9/100 (Grade A) against 86.8/100 (Grade A), a 5.1-point gap. MCP Inspector leads on transparency and maintenance.

A FastMCP (TypeScript) 86.8

A TypeScript framework for building MCP servers.

punkpeye/fastmcp · #69 overall · #5 Protocols & Tool Integration · coverage B (3/5)

FastMCP (TypeScript) doesn't lead on any scored dimension in this pair.

A MCP Inspector 91.9

Visual testing tool for MCP servers

modelcontextprotocol/inspector · #11 overall · #3 Protocols & Tool Integration · coverage B (3/5)

Choose MCP Inspector if transparency and maintenance matter most.

+2.4Transparency: OSSF Scorecard 7.3 against 4.5
+2.1Maintenance: last push today, against 10d ago
+1.5Safety / Integrity: OSSF Scorecard 7.3 against 4.5
+1.0Adoption: 11.1k GitHub stars against 3.3k

Where they differ

17.1

Safety / IntegrityMCP Inspector +1.5

18.6

12.3

TransparencyMCP Inspector +2.4

14.7

17.9

MaintenanceMCP Inspector +2.1

20.0

16.2

AdoptionMCP Inspector +1.0

17.2

+5.3

Runtime calibrationFastMCP (TypeScript) +1.9

+3.4

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of FastMCP (TypeScript) and MCP Inspector, 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	FastMCP (TypeScript)punkpeye/fastmcp	MCP Inspectormodelcontextprotocol/inspector
HVTrust score	86.8	91.9
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#69	#11
Rank in Protocols & Tool Integration	#5	#3
GitHub stars	3.3k	11.1k
Last updated	10d ago	today
Build provenance	Yes	Yes
OSSF Scorecard	4.5 / 10	7.3 / 10
License	MIT	NOASSERTION
Downloads	707k/wk	403k/wk
Trust dimensions (points earned)
Safety / integrity / 25	17.1	18.6
Identity & provenance / 18	18.0	18.0
Transparency / 17	12.3	14.7
Maintenance / 20	17.9	20.0
Adoption / 20	16.2	17.2
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 → FastMCP (TypeScript) profile MCP Inspector 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 →