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Model Context Protocol servers and tools. Built by Chiranjeev Thomas, senior full-stack engineer, agentic ai.

InvoiceChaser walkthrough: client pushback is detected, a late fee is calculated and a firmer escalation draft waits for the freelancer to approve

Live

AI engineering
Full-stack

InvoiceChaser — payment-recovery agent

Chases overdue invoices for freelancers through three escalation levels. Tools are gated per level, and nothing is sent without human approval.

LangChain
LangGraph
Groq · Llama 3.3 70B
FastAPI
React 19
MCP
Tavily
Vercel

How it works Live demo GitHub