Multi-Source Deep Research, 100% Grounded in Truth.
Answering engine and real-time research platform for analysts, builders, and AI agents. Synthesize verifiable answers across news, laws, papers, and developer docs without hallucinations.
52.4KB raw HTML compressed into 460 structured evidence tokens.
"Article 159 of the 2024 Land Law abolishes the government price framework, establishing annual land price tables."
"Decree 102/2024/ND-CP details flexible annual/lump-sum rental fee conversion mechanisms for industrial developers."
"CBRE Vietnam Industrial Spotlight: Northern industrial occupancy at 83.2%, Southern parks at 89.1%."
Search across authoritative knowledge sources
Zero SEO spam. ChainLens connects to specialized indices to deliver verified, high-signal information in seconds.
News & Economic Intelligence
Live indexing across major financial news and macroeconomic outlets including VnExpress, CafeF, Reuters, and Bloomberg.
Statutory Law & Regulatory Codes
Precise extraction from National Assembly laws, ministerial decrees, tax policies, and official gazettes.
Developer Docs & Code Repos
Instant retrieval across GitHub repositories, API references, Next.js, Python, Docker, and AI framework documentation.
Academic Papers & Research Notes
Full-text indexing of arXiv, ResearchGate, and premier equity research reports from top securities firms.
Corporate Filings & Disclosures
Audited financial statements, governance filings, and ownership disclosures from HOSE, HNX, and corporate registries.
Practitioner & Tech Communities
Authentic practitioner discussions and user sentiment from Hacker News, Reddit, and investor forums (Voz F319).
Every claim is anchored in proof. Zero fabrication. 100% verified.
Every finding synthesized by ChainLens links directly to the raw source passage. Click any claim to inspect the source side-by-side.
Abolition of the 5-year fixed land price framework, transitioning to annual market-driven land price tables.
[1] Source: thuvienphapluat.vnIndustrial developers can choose between lump-sum or flexible annual land rental fee payments.
[2] Source: chinhphu.vnHigh-tech supply chain expansion sustains Northern and Southern industrial occupancy above 83%.
[3] Source: cbre.com.vn2024 Land Law (Law No. 31/2024/QH15) — Article 159
https://thuvienphapluat.vnSuperior Research Quality, at a Fraction of the Cost.
Why pay $20–$40/month plus foreign transaction fees for tools that cannot parse local data when you can get superior research quality at 1/5th the price?
| Feature | US Tools (Perplexity / Exa) | 🚀 ChainLens Research |
|---|---|---|
| Monthly Cost | $20 – $40 / mo (~$240 – $480 / yr) | From $4 / mo (~99,000₫)Save over 80% |
| Payment Methods | Credit card only (+3-4% FX fee) | Instant VietQR / MoMo / Stripe Instant 3-second activation |
| Local Domain & Legal Comprehension | Generic web scrape, misses local laws | Deep parsing across laws, tax codes & reports |
| Native MCP Server (Cursor / Claude / Devin) | Requires expensive Enterprise plans | Built-in 1-click MCP server integration |
| Semantic Vector Cache | Charged for every duplicate query | Sub-600ms cache hits with zero token cost |
Start with 10 Free Deep Research queries daily
No credit card required. Setup your account in seconds.
Empower Cursor, Claude & Windsurf with Grounded Research Tools.
One-line configuration connects your favorite AI coding assistant to real-time search, code indexing, and deep reasoning capabilities.
// .cursor/mcp.json or Cursor Settings -> MCP
{
"mcpServers": {
"chainlens-research": {
"command": "npx",
"args": ["-y", "@chainlens/mcp"],
"env": {
"CHAINLENS_API_KEY": "cl_live_your_api_key"
}
}
}
}Fast real-time web search (<1.5s) with automated SEO noise filtering.
Instant grounded answer synthesis with verifiable citation URLs.
Multi-step reasoning engine for complex analytical inquiries.
Deep multi-source research: crawls, extracts, and compiles comprehensive dossiers.
Searches across GitHub repositories, package docs, and framework API specifications.
Extracts clean, token-efficient markdown content from any target URL.
Top-tier Quality at Every Latency Tier
Evaluated on open retrieval benchmarks (FRAMES, Seal0) and real-world multi-step reasoning tasks.
Simple plans for individuals and agent workflows
No hidden fees. Flexible billing in VND or USD with instant VietQR activation.
Free Forever
Full access to multi-source search and grounded citations.
Pro Researcher
Uncapped Speed Mode and deep multi-hop reasoning power.
Developer & Agent
High-QPS Native MCP Server & REST API infrastructure for autonomous workflows.