⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜🏻🏽🏾🏿🏾🏽🏻⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏻🏽⬛⬛⬛⬛⬛⬛⬛🏽🏻⬜⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏻⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛🏼⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏻⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛⬛🏻⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏾⬛⬛⬛⬛⬛⬛⬛⬛🏽🏼🏽⬛⬛🏼⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏽⬛⬛🏽🏽🏽🏽🏽🏼🏻🏻🏻🏼⬛🏽⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏽⬛🏻🏻🏼🏼🏼🏼🏼🏼🏼🏻🏻🏽🏿⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬛⬛⬜🏻🏼🏼🏼🏼🏼🏻🏻🏻🏻🏽⬛⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🟩🏾🏻🏻🏻🏻🏻🏻🏻🏻🏻🏻🏻🏼🏿🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🟩🏻⬜🏻🏼🏼🏼🏼🏼🏽🏾🏽🏼🏻🏽🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏼🟩🏻🏾⬛🏿🏾🏼🟫⬛⬛🏿🏾🏻🏻🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏻🏻🏼🏾🏿⬛🏿🏼🏽⬛⬛🏿🏾🏼🏻🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🏻🏻🏼🏾⬛⬛🏿🏼🏻🏿🏿🏿🏽🏼🏻🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏻🏻🏼🏽🏽🏽🏻🏻🏼🏼🏼🏻🏻🏻🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏻🏼🏼🏼🏼🏻🏻🏻🏼🏼🏻🏻🏻🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏻🏻🏼🏼🟫🏼🏻🏼🏼🏼🏾🟫🏼🏻⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏻🏻🏽🏾🏾🏽🏽🟫🏾🏽🟫🏾🏽🏼🏻⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏻🟫🏿🏽🏽🏽🏾🏾🏾🏿🏿🏽🏼⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏻🏼🏽🏾🏿🏾🏽🏽🏽🏽🏾🏾🏽🏻⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏻🏼🏽🏽🏼🏼🟫🟫🏼🏼🏽🏼🏻⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏻🏼🏽🏽🏼🏼🟫🏾🏽🏽🏽🏼⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜⬜🏻🏽🏼🏼🏼🏼🏼🏼🏼🏼🏻⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜⬜🏽🏻🏼🏽🏽🏼🏽🏽🏽🏽🏼🏻⬜⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜⬜🏼⬛🏽🏼🏽🏾🏾🏾🏾🟫🏽🏼🏼🏾⬜⬜⬜⬜⬜⬜⬜
⬜⬜⬜⬜⬜⬜🟩🏾⬛⬛🏼🏽🏽🏽🏾🟫🏽🏼🏻🏽⬛🟩🏻⬜🏻🏼🟩🏼
⬜⬜⬜🏻🏽⬛⬛🏿⬛⬛🏿🏼🏽🏽🏽🏽🏼🏼🏼🟫⬛🏾🏾🏾🟩🏼🟩🏼
⬜🏻🏽⬛⬛⬛⬛⬛⬛⬛⬛🏾🏽🏽🏽🏽🏼🏼🏼🟫⬛🏿🏾🏾🏿🏾🏽🟩

Co-Founder & Head of Technology at Adelev8 in Bengaluru, India.

I build and operate production systems end to end: the venue-operations software for Bigg Bounce (a 30,000 sq ft entertainment park in Bengaluru running direct ticketing, self-service kiosks, cashier POS, ESC/POS thermal printing, QR turnstiles, Razorpay UPI reconciliation, and rain-day ticket transfers; Rs 80 lakh+ recorded across 2,900+ paid bookings and 6,500+ POS orders in its first 20 days, backed by 46 Postgres migrations), client commerce and ERP stacks, Quantiti, and a five-node Linux server fleet (26 CPUs, 105.7 GiB RAM, 51 Docker containers, 49 PM2 services, ~134 nginx hostnames).

In open source: 20 merged PRs upstream, including apache/datafusion, oxc, lancedb, JSQLParser, and redis/lettuce.

Zero-dependency CLIs and web tools for teams shipping with coding agents and Model Context Protocol (MCP) servers:

• ctxvitals (npx ctxvitals) - a Lighthouse for your AI agent stack: measures the real token cost of MCP servers, skills, and rules; flags security issues and duplicates; grades the setup A-F.
• agent-trials (npx agent-trials) - benchmark coding agent CLIs (Claude Code, Codex, Gemini) through the same JSON task suite in sandboxed repo copies, verifying results against fingerprinted test scripts.
• slopsieve (npx slopsieve) - score a diff or PR for 15 AI-slop review signals: test weakening, secret leaks, phantom imports, debug leftovers, trivial deps, and dead exports.
• mcp-bouncer (npx mcp-bouncer) - policy-enforcement security proxy for stdio MCP servers: tool allowlists, method gating, path traversal and SSRF/private-IP blocking, rate limits, and JSONL audit logs.
• canimcp (npx canimcp) - static and live preflight checker for MCP servers: checks tools/list schemas against a versioned client quirks corpus (Claude Code, Cursor, Codex, Windsurf, Zed, Continue).
• ruleherd (npx ruleherd) - audits agent instruction files (CLAUDE.md, AGENTS.md, .cursor/rules) for contradictions, dead file references, and duplicated rules.
• mcp-tax (npx mcp-tax) - see how many tokens your MCP servers burn before you type a word.
• MaintainerOS - a command center for open-source maintainers: repo health, stale backlog, security readiness, issue triage, PR review, and GitHub Actions reports. Live at maintaineros.prince.sh.
• dep-census & readmeroast - dependency maintainer census for node_modules and automated GitHub README grading.

Recent upstream work across query engines, compilers, and data libraries:

• Query engines and columnar data (Rust): Correlated subquery optimizer planning, top-1 ASOF/first_value decorrelation, window CSE column emission, and physical equivalence properties in apache/datafusion (#26551 merged, #26636, #26693, #26699, #26740), SQL dialect AST display in apache/datafusion-sqlparser-rs (#2709), record batch interleaving and sparse dictionary row encoding in apache/arrow-rs (#11845 approved, #11904), and Node/Python SDK fixes in lancedb/lancedb (#4584 merged, #4631).
• Compilers, parsers, and AST tooling (Rust / Java): Linter AST traversal and WHATWG autofill rules in oxc-project/oxc (#28008 merged, #28109, #28110), static analysis symbol resolution in pmd/pmd (#7225 approved), and 6 merged SQL grammar and AST parser fixes in JSQLParser/JSqlParser (#2838 through #2843).
• Database drivers, ORMs, and templating (Python / Java): C-extension mapping conversion in msgspec (#1302), inspect() typing overloads in SQLAlchemy (#13710), connection state handling in redis/lettuce (#3966 merged), and template engine fixes in Pebble (#842, #843, #846, #847 all merged) and Handlebars.java (#1200, #1201 merged).

Portfolio (w.prince.sh) · Engineering Dossier · MaintainerOS · Quantiti · LinkedIn · X · mail@prince.sh