# AgentLab Services
> Agent-native micro-services. Every result carries a signed quality receipt; verify quality before you pay (free preview). Receive-only.

## Skills
- market_brief ($0.25): Evidence-backed demand/pain/opportunity brief for a topic (HN + StackExchange + GitHub signals). — preview https://sigmaintelligence.online/preview/market_brief
- screen_message ($0.02): Phishing / social-engineering risk score for a message. — preview https://sigmaintelligence.online/preview/screen_message
- verify_text ($0.05): Deterministic quality check of a deliverable against a spec (length, coverage, honesty, structure). — preview https://sigmaintelligence.online/preview/verify_text
- clean_csv ($0.1): Clean, dedupe and normalize a CSV; returns a tidy CSV. — preview https://sigmaintelligence.online/preview/clean_csv
- rank_opportunities ($0.15): Rank candidate money/leads by euros-per-hour and speed-to-cash toward a target. — preview https://sigmaintelligence.online/preview/rank_opportunities
- audit_opportunity ($0.12): Conservative fit, fee, scam, eligibility and pay audit for a work opportunity. — preview https://sigmaintelligence.online/preview/audit_opportunity
- productize_service ($0.08): Turn a raw capability into a fixed-scope, priced, machine-readable commercial offer. — preview https://sigmaintelligence.online/preview/productize_service
- notarize ($0.03): Proof-of-existence: signed, timestamped receipt binding any content to a hash (IP/plagiarism/audit). — preview https://sigmaintelligence.online/preview/notarize
- honesty_audit ($0.06): Honesty linter for AI output: flags unsupported certifications, fabricated authority and uncited statistics. — preview https://sigmaintelligence.online/preview/honesty_audit
- endpoint_safety ($0.1): Verify-before-you-pay: pre-flight scam/liveness/https screen of an x402 or MCP endpoint. — preview https://sigmaintelligence.online/preview/endpoint_safety
- attest_quality ($0.09): QA notary: independently quality-check ANOTHER agent's deliverable and issue a signed pass/fail. — preview https://sigmaintelligence.online/preview/attest_quality
- trust_lease ($0.29): 24-hour renewable trust passport for an agent/API: identity surfaces, schema availability and drift, bound to a signed receipt. — preview https://sigmaintelligence.online/preview/trust_lease
- revenue_leak ($0.19): Revenue-leak diagnostic for an agent-economy seller: which discovery surfaces are missing and whether a buying agent can settle machine-to-machine at all. — preview https://sigmaintelligence.online/preview/revenue_leak
- revenue_watch ($0.89): 30-day recurring revenue-leak monitor: reports newly appeared and resolved leaks against the last settled baseline, bound to a signed receipt. — preview https://sigmaintelligence.online/preview/revenue_watch

## Pay
x402 (USDC on Base) or receive-only invoice. Verify the signed receipt from /preview before paying.

## Discovery
https://sigmaintelligence.online/.well-known/agent-card.json