Evidence-First AI

Cover Letters That Prove Your Fit

Not another template filler. Every claim backed by evidence. Company research grounded in cited sources. ATS readiness analyzed. Interview-defense ready.

🏛️Architecture & Docs
LIVE AUDIT ENGINEGrounded Against Target Senior AI Engineer JD

Candidate Fit vs. Target JD Benchmark

✓
100% EVIDENCE COVERAGE
Zero unsupported claims detected
⚡ Interactive Skill InspectorClick any skill below to inspect

Agentic AI / AI Agents

STRONG MATCH
CANDIDATE RESUME EVIDENCE QUOTE:

"Architected an Agentic AI workspace using Next.js, FastAPI, and LangGraph, implementing a ReAct agent capable of autonomous reasoning, multi-step tool orchestration"

COVER LETTER STRATEGY:

Framed directly with quantifiable performance metrics to prove authentic day-1 execution capability.

VERIFIABLE COMPETENCIES (4)
Evidence-backed matchingSource-cited company researchClaim validation layerHuman-in-the-loop approval

Three Features. Zero Fluff.

Every feature earns its place. No vanity metrics. No overclaiming.

Evidence-Backed Job Fit

Each skill from the JD matched against your resume with actual evidence. STRONG_MATCH, PARTIAL, TRANSFERABLE, or MISSING — with proof.

Python
Docker
K8s

Deep Web Recon & Portal Intel

Deep 8-page crawl via Tavily Advanced + Jina AI Reader. Live workplace signals across Naukri, AmbitionBox, Indeed & LinkedIn with 3-way categorized evidence.

3-Way Evidence Distribution
🏢 Company official sourcesDomain · Careers
💼 Job portals & reviewsNaukri · AmbitionBox
🌐 External industry newsTechCrunch · Research
⚡ Jina AI Deep Page ReaderMarkdown (No Ads)
8 pages crawled · Top 5 cited in synthesis

Interview Defense & Vendor Shield

Audits your vacancy with the Job Seeker Reality Check. Flags third-party staffing payrolls with verbatim quotes, detects hidden salaries, and generates adversarial interview defenses.

⚠️ Staffing Route DetectedQuoted from JD
“Selected candidate on payroll of XYZ Staffing for client...”
✓ Interview Defense ReadyVerbatim Evidence

Built Different. Architecturally.

Not a prompt wrapper. A full evidence pipeline with MCP Server, web search grounding, and claim validation.

1
Your Resume + JD
Paste your data
2
MCP: JD Analyzer
Evidence matching
3
MCP: Company Research
Tavily + validation
4
Human Approval
You verify sources
5
Letter + Defense
Gemini generation
Next.jsGemini AIMCP ServerTavily SearchRechartsTailwind CSSVercel

Security & Trust Guardrails

Built for professional integrity. Not a toy.

🛡️
PII Protection
Resume data stripped of PII via regex before any external API call. Never sent to web search.
🔒
Server-Side Keys
All API keys stored server-side in environment variables. Browser never contacts external APIs directly.
🧪
Claim Validation
Every company claim checked against web search sources via evidence validator. Unsupported claims flagged.
🚫
Injection Defense
JD and resume treated as untrusted data. Prompt injection patterns detected and flagged.
📊
Output Validation
LLM JSON responses validated against schemas. Invalid ranges and malformed data rejected.
⚡
Rate Limiting
IP-based rate limits, max input sizes, generation cooldown. Google OAuth required.
👁️
Source Transparency
Every company research claim shows its source URL. User can verify independently.
✋
Human Approval Gate
Company research requires approval before inclusion in your letter. AI never auto-injects.
Featured by UptimeRobot · Global Community Spotlight

Architected by Ambuj Kumar Tripathi

Independent GenAI Engineer · Ex-British Telecom Automation · Gorakhpur, India

“The LLM is the least reliable part of your entire stack. That is why CoverCraft was engineered with deterministic ATS keyword math, circuit breakers, and MCP tool verification instead of trusting raw generative models.”

CoverCraft was developed as an open-source, evidence-grounded alternative to superficial AI wrappers. Ambuj's architectural work on production GenAI reliability, agentic RAG workflows, and multi-stage verification has been officially featured in UptimeRobot's global engineering spotlight.

Read UptimeRobot Feature Article↗GitHub ProfileLinkedIn↗
Ecosystem & Featured Projects
Agentic Financial Parser↗

Featured in UptimeRobot Spotlight. Multi-agent hybrid RAG system designed for complex Indian financial & tax circulars.

Personal AI Portfolio↗

Production micro-frontends, LLM evals, agentic workflows, and live interactive AI demonstrations.

⚖️Engineering Integrity & Transparency Disclaimer
Zero Commercial Charges · No Snake-Oil Claims
01.100% Free · Zero Service Fees

This platform charges $0.00. There are no paid tier upsells, no monthly subscription traps, and no credit card required. Developed strictly as public AI infrastructure by Ambuj Kumar Tripathi.

02.No "ATS Ranking" Snake-Oil

We make zero false claims about “ranking your CV #1 on ATS” or “gaming recruitment algorithms.” Anyone selling “guaranteed interviews” is peddling snake-oil. Hiring decisions are made by humans based on real engineering merit.

03.What We Actually Deliver

Pure, honest, evidence-grounded writing assistance. We analyze the job description, cross-reference your actual resume, research real company developments with Tavily, and prepare you for adversarial interview questions.

Ready to Write Letters That Mean Something?

See the evidence before the letter. Every skill matched. Every company claim cited. Every interview question predicted.

Sign in with Google to get started — keeps your data secure and rate-limited.