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1. Preflight-AI Preflight-AI Public

   Ask questions about fictional aircraft maintenance issues and get answers backed by the records. FastAPI, MCP tools, PostgreSQL, React, Cloudflare Workers.

   Python

2. slow-burn slow-burn Public

   Ranks which newly published vulnerabilities attackers will go after next, with an IBM Granite agent that briefs the engineer who fixes them. IBM Before the Breach track, Sheridan Datathon 2026.

   Python

3. leetcode leetcode Public

   Python

4. agentops-gate agentops-gate Public

   Policy and approval service for AI tool calls — Java 21, Spring Boot 4, PostgreSQL, AWS (ECS Fargate, RDS, SQS, S3), CDK; exactly-once plumbing proven under deterministic simulation and live chaos

   Java

5. teller teller Public

   Simulated payments core with a policy gate — double-entry ledger, four-eyes approvals over SQS, reconciliation; correctness proven under fault-injecting simulation; Java 21, Spring Boot 4, PostgreS…

   Java

6. capstan capstan Public

   Capstan: a durable execution engine for agent work

   Go