Specmatic

Open-source API development suite for contract-first testing and specification-driven workflows.

Data confidence90/100
Source coverage100/100
Publish confidence92/100
Evidence checkedOct 30, 2026
About this tool

What ToolVitals knows about Specmatic

Open-source API development suite for contract-first testing and specification-driven workflows.

This tool has an OSI-approved open-source license signal.

Commit continuity, contributor activity, and delivery signals are strong.

Source-visible projectAPI Development & TestingOSI-approved OSSScored Intelligence
Score Breakdown

Public signal read

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How to read this

The overall score reflects ToolVitals maintenance and delivery evidence. Adoption is shown as public context only and does not change the overall score.

Activity
Commit activity across recent and sustained windows, with releases as a small supporting signal.
Reliability
Maintenance posture from commit recency, continuity, and active contributors.
Adoption
Public footprint from GitHub stars and forks when available.
ToolVitals95/100Health96/100Shipping94/100Zombie Risk1/100
Overall Score95Active
Activity94
Reliability96
Adoption50
Project provenance

Fork network

Popular active forks

Highest GitHub star count first
Repository

GitHub Activity

KT
specmatic/specmatic
Stars400
Forks62
Contributors11Active in 90d · as of Oct 30, 2026
Open Issues78
Primary Language
Kotlin
Last Commit
Today
Commits 30d
73
Commits 90d
310
Releases 90d
9
Default Branch
main
License
MIT
Repository Status
Active repository
Evidence

Signal Quality

Data Confidence90/100Strong
Source Coverage100/100Strong
Publish Confidence92/100Strong

ConfidenceHigh-confidence score from multiple public signals.

Zombie RiskNo meaningful zombie signal right now.

How ToolVitals scores work
Openness

License Evidence

Class
OSI-approved OSS
License
MIT

This tool has an OSI-approved open-source license signal.

Sources

Tracked Sources

Profile

Classification

Category
Developer Tools
Use Case
API Development & Testing
Openness
OSI-approved OSS
License
MIT
Tool Mode
Source-visible project
Score Model
Open Source Maintenance
Score Visibility
Scored Intelligence
Status
Active
Maintainers

README Badge

Show this ToolVitals status in project docs.

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For agents

Machine-readable profile

Use the clean Markdown or structured JSON representation from the same published ToolVitals evidence snapshot.

ToolVitals agent access guide
Latest

Recent Updates

Tags
apitestingcontract-testingdeveloper-toolsopen-sourceapi-firstasyncapibackward-compatibilitycddcontract-driven-developmentgraphqlgrpcjdbcmicroservicesopenapiopenapi3overlayredisservice-virtualizationspecmaticwsdl

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