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ntriq AgentShop — AI Data Services via x402 Micropayments

AI-powered data intelligence endpoints with pay-per-use pricing via x402 micropayments (USDC on Base). No API keys, no subscriptions, no rate limits. AI agents pay only for what they use. 100% local inference — zero external API calls.

Services (11 types × 2 pricing tiers = 22 endpoints)

Vision Services (Image Input)

Service

Endpoint

Single

Batch (max 500)

Alt Text

/alt-text

$0.01

/alt-text-batch $3.00

Document Intel

/document-intel

$0.05

/document-intel-batch $15.00

Invoice Extract

/invoice-extract

$0.03

/invoice-extract-batch $9.00

Screenshot Data

/screenshot-data

$0.02

/screenshot-data-batch $6.00

Blueprint

/blueprint

$0.05

/blueprint-batch $15.00

Text / NLP Services

Service

Endpoint

Single

Batch (max 500)

PII Detect

/pii-detect

$0.02

/pii-detect-batch $6.00

Sentiment

/sentiment

$0.01

/sentiment-batch $3.00

Content Generate

/content-generate

$0.02

/content-generate-batch $6.00

Compliance Check

/compliance-check

$0.03

/compliance-check-batch $9.00

Code Review

/code-review

$0.05

/code-review-batch $15.00

Phish Radar

/phish-radar

$0.03

/phish-radar-batch $9.00


How It Works

AI Agent
  │
  ▼  POST /alt-text
x402.ntriq.co.kr
  │
  ├─ 402 Payment Required ($0.01 USDC, Base mainnet)
  │
  ▼  Agent signs EIP-3009 (gasless) → retries with payment
  │
  ├─ Facilitator verifies payment
  │
  ▼  200 OK + JSON result
  │
Mac Mini (local Qwen2.5-VL / Qwen2.5:7b)
  └─ 100% local inference, zero external API calls

Payment protocol: x402 — USDC on Base, EIP-3009 gasless authorization


Service Details

Alt Text — /alt-text ($0.01) · /alt-text-batch ($3.00)

Generate WCAG-compliant alt text (≤125 chars) and detailed accessibility descriptions.

POST /alt-text
{ "image_url": "https://example.com/product.jpg" }

# Response
{ "alt_text": "Red leather handbag with gold clasp", "description": "..." }

Batch: { "images": ["url1", "url2", ...], "context": "e-commerce catalog" }


Document Intelligence — /document-intel ($0.05) · batch ($15.00)

OCR, classification, table extraction, and summarization from document images.

POST /document-intel
{ "image_url": "...", "analysis_type": "extract|summarize|classify|table" }

Invoice Extract — /invoice-extract ($0.03) · batch ($9.00)

Extract structured fields from invoices and receipts: vendor, amounts, line items, dates.

POST /invoice-extract
{ "image_url": "..." }

# Response
{ "invoice": { "vendor_name": "...", "total": 1250.00, "line_items": [...] } }

Screenshot Data — /screenshot-data ($0.02) · batch ($6.00)

Extract text, UI elements, layout, and data tables from screenshots.

POST /screenshot-data
{ "image_url": "...", "extract_type": "full|text|data|layout" }

Blueprint — /blueprint ($0.05) · batch ($15.00)

Analyze architectural blueprints and floor plans. Extract rooms, dimensions, materials.

POST /blueprint
{ "image_url": "...", "analysis_type": "full|rooms|dimensions|materials" }

# Response
{ "rooms": [{"name": "Living Room", "area": "24 m²"}], "total_area": "85 m²" }

PII Detect — /pii-detect ($0.02) · batch ($6.00)

Detect and optionally mask PII: emails, phones, SSNs, names, addresses, credit cards.

POST /pii-detect
{ "text": "Contact John at john@email.com", "mask": true }

# Response
{ "pii_found": [...], "risk_level": "high", "masked_text": "Contact [NAME] at [EMAIL]" }

Sentiment — /sentiment ($0.01) · batch ($3.00)

Analyze sentiment, emotions, and intent with confidence scores.

POST /sentiment
{ "text": "This product is amazing!" }

# Response
{ "sentiment": "positive", "confidence": 0.95, "intent": "praise" }

Content Generate — /content-generate ($0.02) · batch ($6.00)

Generate blog posts, emails, social media, product descriptions, reports, and ad copy.

POST /content-generate
{ "prompt": "benefits of standing desks", "style": "blog|email|social|product|report|ad", "tone": "professional", "max_words": 500 }

Compliance Check — /compliance-check ($0.03) · batch ($9.00)

Analyze text for GDPR, HIPAA, SOX, or general compliance violations. Returns risk level and remediation recommendations.

POST /compliance-check
{ "text": "We store passwords in plain text.", "framework": "GDPR", "jurisdiction": "EU" }

# Response
{ "compliant": false, "risk_level": "critical", "issues": [...] }

Code Review — /code-review ($0.05) · batch ($15.00)

AI-powered code review for security vulnerabilities, performance, and quality. Any language.

POST /code-review
{ "code": "SELECT * FROM users WHERE id='" + id + "'", "language": "sql", "focus": "security" }

# Response
{ "overall_score": 2, "issues": [{"severity": "critical", "description": "SQL injection"}] }

Phish Radar — /phish-radar ($0.03) · batch ($9.00)

Detect phishing URLs and domains. Identifies typosquatting, homoglyph attacks, brand impersonation.

POST /phish-radar
{ "url": "https://paypa1.com/login" }

# Response
{ "is_suspicious": true, "risk_score": 92, "risk_level": "critical", "legitimate_brand": "PayPal" }

Quick Start

Service Catalog

curl https://x402.ntriq.co.kr/services

Health Check

curl https://x402.ntriq.co.kr/health

Test (expects 402 response)

curl -X POST https://x402.ntriq.co.kr/sentiment \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello world"}'
# → 402 Payment Required

Architecture

Mac Mini (Apple Silicon)
├── x402 Server (Node.js + tsx)         :4021
├── qwen-vision-api (Python)            :8100  ← Qwen2.5-VL:7b
├── Ollama                              :11434 ← Qwen2.5:7b, Gemma4
└── Cloudflare Tunnel → x402.ntriq.co.kr

Payment: USDC on Base mainnet via x402 protocol
Wallet: 0x124AaFfF8Ef45F2cA953807aF09Aacec2D9F8307
Facilitator: https://facilitator.openx402.ai


ClawHub Skills

Install via ClawHub to enable these services in your AI agent:

clawhub install ntriq-x402-alt-text
clawhub install ntriq-x402-sentiment
clawhub install ntriq-x402-code-review
# ... and more

Built by ntriq — 100% local inference, 100% margin

Available Tools

6 tools
alt_textA

Generate accessible alt text descriptions for images. Cost: $0.01 USDC per call.

Inputs: image_url, image_base64, style.

document_intelligenceA

Analyze document images — extract text, summarize, classify, or extract tables. Accepts image URL or base64. Cost: $0.05 USDC per call (x402, Base mainnet).

Inputs: image_url, image_base64, analysis_type, language.

invoice_extractA

Extract structured fields from invoice or receipt images. Returns vendor, line items, totals, dates, and more as JSON. Cost: $0.03 USDC per call.

Inputs: image_url, image_base64, language.

pii_detectA

Detect and redact Personally Identifiable Information (PII) in text. Returns detected PII types and redacted text. Cost: $0.02 USDC per call.

Inputs: text (required), redact.

screenshot_dataB

Extract structured data from screenshots of dashboards, tables, forms, or UIs. Cost: $0.02 USDC per call.

Inputs: image_url, image_base64, extraction_hint.

sentiment_analysisA

Analyze sentiment of text — returns score, label, and key phrases. Cost: $0.01 USDC per call.

Inputs: text (required), language.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    A3.8/5.0

    Scored across 6 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose with no overlap: alt_text for image descriptions, document_intelligence for document analysis, invoice_extract for invoice processing, pii_detect for PII handling, screenshot_data for screenshot extraction, and sentiment_analysis for text sentiment. The descriptions make it easy to differentiate between them.

    Naming Consistency4/5

    The tools use a consistent snake_case naming convention throughout, which is good. However, there is a minor deviation in naming style: most tools use descriptive compound names (e.g., sentiment_analysis, invoice_extract), but 'alt_text' is simpler and less descriptive compared to others, slightly breaking the pattern.

    Tool Count5/5

    With 6 tools, this server is well-scoped for its apparent domain of document and image processing. Each tool serves a specific, useful function, and the count is neither too sparse nor overwhelming, fitting typical expectations for such a specialized server.

    Completeness4/5

    The toolset covers key areas in document and image analysis, including text extraction, sentiment analysis, PII detection, and structured data extraction from various sources. A minor gap is the lack of tools for editing or modifying documents/images, but the provided tools offer comprehensive analysis capabilities for the inferred domain.

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