mattzcarey Matt
agents and mcp
EVIDENCE BASE
114
Repositories
4319
Commits
6704
Files analyzed
53
Technologies
537
Evidence
51
Active months
Based on 114 repository passports · 61/114 current
ENGINEERING PROFILE
Frontend75%
Backend34%
Testing65%
DevOps83%
CORE TECHNOLOGIES
HR: name + projects · Lead: + files/LOC · persistence Core≥4
TypeScript Core
LANGUAGE · 42/114 repos · 2233 files · 659585 LOC
Depth 70 · HIGH
JSON Core
LANGUAGE · 46/114 repos · 1297 files · 249513 LOC
Depth 70 · HIGH
Markdown Core
LANGUAGE · 61/114 repos · 531 files · 80086 LOC
Depth 70 · HIGH
Vitest Core
TESTING · 15/114 repos · 464 files · 151457 LOC
Depth 53 · HIGH
React Core
FRAMEWORK · 15/114 repos · 280 files · 110728 LOC
Depth 74 · HIGH
Zod Core
LIBRARY · 17/114 repos · 165 files · 53024 LOC
Depth 62 · HIGH
JavaScript Core
LANGUAGE · 19/114 repos · 102 files · 16689 LOC
Depth 70 · HIGH
Vite Core
BUILD_TOOL · 9/114 repos · 91 files · 2898 LOC
Depth 43 · HIGH
Python Core
LANGUAGE · 9/114 repos · 71 files · 3047 LOC
Depth 70 · HIGH
ESLint Core
QUALITY · 21/114 repos · 67 files · 34246 LOC
Depth 69 · HIGH
YAML Core
LANGUAGE · 22/114 repos · 64 files · 52553 LOC
Depth 70 · HIGH
npm Core
BUILD_TOOL · 44/114 repos · 44 files · 440 LOC
Depth 80 · HIGH
Shell Core
LANGUAGE · 10/114 repos · 29 files · 1377 LOC
Depth 70 · HIGH
Playwright Emerging
TESTING · 1/114 repos · 24 files · 4935 LOC
Depth 78 · HIGH
C Emerging
LANGUAGE · 1/114 repos · 23 files · 6110 LOC
Depth 70 · HIGH
debug Core
LIBRARY · 15/114 repos · 23 files · 89958 LOC
Depth 62 · HIGH
React Router Core
LIBRARY · 4/114 repos · 22 files · 1310 LOC
Depth 54 · HIGH
Prettier Core
QUALITY · 13/114 repos · 18 files · 92287 LOC
Depth 61 · HIGH
C++ Emerging
LANGUAGE · 1/114 repos · 15 files · 2271 LOC
Depth 70 · HIGH
TOML Core
LANGUAGE · 10/114 repos · 15 files · 586 LOC
Depth 70 · HIGH
Redis Core
CACHE · 10/114 repos · 13 files · 68149 LOC
Depth 61 · HIGH
Svelte Emerging
LANGUAGE · 1/114 repos · 12 files · 449 LOC
Depth 70 · HIGH
MongoDB Core
DATABASE · 8/114 repos · 11 files · 65780 LOC
Depth 61 · HIGH
Next.js Core
FRAMEWORK · 6/114 repos · 11 files · 1929 LOC
Depth 58 · HIGH
pnpm Core
BUILD_TOOL · 9/114 repos · 9 files · 90 LOC
Depth 80 · HIGH
Dockerfile Core
LANGUAGE · 8/114 repos · 9 files · 176 LOC
Depth 70 · HIGH
Pydantic Core
LIBRARY · 5/114 repos · 7 files · 107 LOC
Depth 45 · HIGH
Poetry Core
BUILD_TOOL · 7/114 repos · 7 files · 70 LOC
Depth 80 · HIGH
SQL Core
LANGUAGE · 4/114 repos · 6 files · 133 LOC
Depth 70 · HIGH
Swift Emerging
LANGUAGE · 1/114 repos · 5 files · 1376 LOC
Depth 70 · HIGH
Elasticsearch Core
DATABASE · 5/114 repos · 5 files · 13268 LOC
Depth 61 · HIGH
Requests Emerging
LIBRARY · 1/114 repos · 3 files · 87 LOC
Depth 70 · HIGH
Axios Emerging
LIBRARY · 1/114 repos · 3 files · 266 LOC
Depth 70 · HIGH
Yarn Recurring
BUILD_TOOL · 3/114 repos · 3 files · 30 LOC
Depth 80 · HIGH
Express Recurring
FRAMEWORK · 3/114 repos · 3 files · 156 LOC
Depth 58 · HIGH
PostgreSQL Emerging
DATABASE · 1/114 repos · 2 files · 921 LOC
Depth 66 · HIGH
body-parser Recurring
LIBRARY · 2/114 repos · 2 files · 130 LOC
Depth 58 · HIGH
Lodash Recurring
LIBRARY · 2/114 repos · 2 files · 312 LOC
Depth 54 · HIGH
JUnit Emerging
TESTING · 1/114 repos · 2 files · 63 LOC
Depth 41 · HIGH
FastAPI Emerging
FRAMEWORK · 1/114 repos · 2 files · 51 LOC
Depth 66 · HIGH
uv Emerging
BUILD_TOOL · 1/114 repos · 1 files · 10 LOC
Depth 80 · HIGH
Uvicorn Emerging
LIBRARY · 1/114 repos · 1 files · 42 LOC
Depth 55 · HIGH
Jest Recurring
TESTING · 3/114 repos · 1 files · 82 LOC
Tailwind CSS Core
LIBRARY · 6/114 repos · 1 files · 62 LOC
pandas Emerging
LIBRARY · 1/114 repos · 1 files · 103 LOC
Depth 54 · HIGH
XML Emerging
LANGUAGE · 1/114 repos · 1 files · 6 LOC
Depth 70 · HIGH
mypy Core
QUALITY · 5/114 repos · 0 files · 0 LOC
Black Recurring
QUALITY · 3/114 repos · 0 files · 0 LOC
NumPy Emerging
LIBRARY · 1/114 repos · 0 files · 0 LOC
esbuild Recurring
BUILD_TOOL · 2/114 repos · 0 files · 0 LOC
Ruff Core
QUALITY · 5/114 repos · 0 files · 0 LOC
AWS SDK Recurring
CLOUD · 3/114 repos · 0 files · 0 LOC
pytest Core
TESTING · 5/114 repos · 0 files · 0 LOC
ENGINEERING HABITS
containerizationobserved
automated_testsobserved
documentationobserved
lintingobserved
formattingobserved
continuous_integrationobserved
Not observed ≠ does not know
PROJECT PORTFOLIO
ACTIVITY & OWNERSHIP
Active months 51
Commits 4319
Owner authored 29%
PRIMARY PROFILE — HR VIEW
FrontendTypeScript · JSON · MarkdownTeam
In 30 sec: direction — frontend, core — TypeScript · JSON · Markdown, 114 repos 2021 — 2026. No LOC or files — stability only.
DEVELOPER SIGNATURE
TypeScriptJSONMarkdownVitestReactTeam
TECHNOLOGY EVOLUTION
2023
JavaScript · React
2024
TypeScript · Next.js
2025
TypeScript · PostgreSQL
2026
TS + Next
COMMUNITY / IMPACT not a skill rating
Stars 3192
Forks 289
Watchers 67
EVERYTHING ABOVE IS TRACEABLE
114 repositories · 4319 commits · 6704 files · 537 evidence
Absence of a technology in the passport does not imply lack of experience