Sigma Agents

sigmaagents.ai

Full-service AI solutions company for local businesses — AI visibility (SEO, AEO, GEO), AI employees (Sigma Workforce AI: Sigma Voice AI, Sigma Outreach), and growth infrastructure across the US, UK, Canada, and Australia. Products include Sigma Voice AI (24/7 AI phone receptionist), Sigma Outreach (AI-powered sales prospecting), Sigma Score (AI readiness scanner), and the Sigma Visibility Index. Not affiliated with Sigma Computing.

What we verified

Everything in this section is a check agenttru.st performed itself.

Assurance

bronze Bronze — agent card fetched over HTTPS with a valid certificate

Certificate

Valid for this hostname

DANE / TLSA

Not verified (TLSA query returned RCodeNameError)

Discovery

Well-known document

Protocols

A2A verified by handshake or card fetch, not merely advertised

Hosted in

🇺🇸 US · Amazon.com, Inc. (AS16509)

First seen

31 Jul 2026

Last checked

11h ago

What the agent claims

Copied from the agent's own card. Not verified — the operator of sigmaagents.ai controls every value below.

Provider

Sigma Agents

Protocol

a2a

Version

1.1.0

Capabilities

pushNotifications stateTransitionHistory streaming

Agent card

https://sigmaagents.ai/.well-known/agent-card.json

Advertised skills

• Sigma Score AI Readiness Scan
  Scans websites for SEO, Local SEO, AEO, GEO, schema, AI crawlability, and technical visibility signals.
  seoaeogeoai-visibilitywebsite-audit
• Content Refresh Planner
  Creates a 30-day SEO, AEO, and AI visibility content plan.
  contentseoaeoplanning
• Schema Recommendations
  Audits websites and recommends schema markup improvements.
  schemaseostructured-data
• Local Visibility Audit
  Evaluates local search presence and Google Business Profile optimization opportunities.
  local-seogoogle-business-profilevisibility
• Sigma Visibility Index
  Public ranking system measuring local business discoverability across Google Search, Google Maps, and AI search engines. Covers 89 industries across the US, UK, Canada, and Australia.
  rankingsvisibilityleaderboardai-visibilitylocal-seo
• Sigma Site Agent
  Agent-powered website optimization, content automation, schema management, and AI visibility maintenance.
  agentautomationmcpwebsite-management
• Sigma Workforce AI
  AI employees for local businesses. Includes Sigma Voice AI (24/7 AI phone receptionist), Sigma Outreach (AI-powered sales prospecting and automated follow-up), and future AI agents for chat, email, an…
  ai-employeesworkforceautomationvoice-aioutreachprospecting
• Sigma Outreach
  AI-powered sales prospecting and automated outreach that replaces manual cold calling and follow-up workflows. Identifies prospects, sends personalized multi-channel outreach, and follows up automatic…
  outreachprospectingsalesautomationlead-generation
• Sigma Voice AI
  AI phone receptionist that answers inbound calls 24/7, books appointments via Cal.com, sends SMS confirmations via SignalWire, handles service FAQs, and transfers to humans when needed. First product…
  voice-aiphonereceptionistappointmentssms

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