tcoaudit-mcp
Zero-dependency Python 3 MCP server for 36-month B2B SaaS TCO modeling and website llms.txt/SEO readiness checks.
Documentation
Three Deterministic Engineering Calculators
Transparent published pricing formulas with zero paywalls and zero required email signups.
SaaS & CRM Cost Calculator
Model 36-month Total Cost of Ownership across Zapier, HubSpot, n8n, Make, and self-hosted Railway clusters.
Live Website SEO & AI Search Grader
Inspect origin TTFB latency, metadata, robots.txt crawler rules, and /llms.txt answer-engine manifests.
B2B Outbound ROI Sizer
Calculate safe secondary domain caps, mailbox warmup limits, and cost-per-booked-meeting.
2026 Verified Replacement Ledger
High-retention architecture replacements benchmarked by 36-month economics and migration velocity.
| Category | Replaces | Recommended Stack & Billing Edge | Action |
|---|---|---|---|
| Workflow Automation | Zapier ($299/mo) | n8n Cloud (Execution Billing) | |
| Self-Hosted Apps | Kubernetes DevOps | Railway 1-Click Clusters | |
| Email & Funnels | HubSpot Contact Tiers | Systeme.io Flat Unlimited | |
| SEO & Competitors | Manual Site Checks | Semrush SEO Toolkit | |
| Cloud Infrastructure | Slow Shared Hosting | Cloudways Dedicated NVMe | |
| B2B Outbound Stack | Manual List Building | Apify + Instantly.ai |
Engineering Benchmarks & Analysis
Deterministic technical breakdowns on billing models, live RAG latency, and self-hosted infrastructure.
Cost Modeling • Automation
Why "50,000 Monthly Tasks" Costs $10,764 Over 36 Months
How per-step SaaS billing penalizes defensive software engineering, and why Redis BullMQ queue clusters cut run costs by 78%.
Read Benchmark Analysis →
AI Search • Performance
Auditing Your Website for AI Search Engines in 2026
The four technical reasons B2B software is invisible to ChatGPT Search, Claude, and Perplexity: TTFB timeouts, robots.txt blocks, and llms.txt.
Read Technical Guide →