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TESSA Marketing & Technology

Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility compliance. Operates the first vertical A2A registry in professional services (co

Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-08-29T17:49:03Z, first seen 2026-08-26T06:22:38Z). Not self-submitted, not cached from a directory.

Measured card surface

fieldvalue
A2A endpointhttps://aiagent.tessa.tech
card sourcehttps://aiagent.tessa.tech/.well-known/agent-card.json
protocolVersion0.3.0
agent version1.1.0
preferredTransportJSONRPC
providerTESSA Marketing & Technology
skills published9
card hash (canonical)6d4b7dd01b0e0602

Interface URLs

transportURL
JSONRPChttps://aiagent.tessa.tech
JSONRPChttps://aiagent.tessa.tech

Skills (from card)

skilldescription
TESSA Services CatalogReturns TESSA's full service catalog: SEO, paid media, web/app development, AI website experiences, AI agent readiness, accessibility, and more. Includes pricing tiers and ideal client profiles per se
TESSA Case StudiesReturns TESSA's project portfolio with industries, services used, and measurable outcomes. Includes SCS Engineers (240% traffic growth), Network for Good (357K monthly traffic), Gettysburg Museum (193
AI Agent Readiness AssessmentGiven a website URL, returns a structured score (0-100) of how ready that site is to be discovered and queried by AI agents. Checks JSON-LD/schema coverage, well-known agent card, llms.txt, robots.txt
Find a Professional Services FirmSearch the TESSA Professional Services Directory across all vertical registries TESSA operates. Filter by industry, region, or capability. Returns matching firms with their slugs, websites, and locati
Get TESSA's WCAG 2.2 AA Accessibility Audit OfferingReturns TESSA's WCAG 2.2 AA accessibility audit offering in structured form: scope, deliverables (VPAT/ACR, findings report, remediation roadmap), typical timeline, pricing bands (hourly $150–$225, pr
Book a Strategy Session with TESSABook a 30-minute strategy session with Kevin Callen on TESSA's calendar. Provide prospect contact info, project brief, and (optionally) a preferred window. TESSA's MCP server finds an open slot, creat
Request an IntroductionRequest an informational introduction to TESSA, or pass target_firm_slug to request an intro to any firm in the TESSA Professional Services Directory. TESSA logs the lead and forwards a warm intro ema
Claim a Directory ListingRecord a firm's intent to claim its directory listing in any TESSA-operated registry. Pre-OAuth this is a stub: TESSA logs the claim and a representative reaches out to the supplied email within one b
Request a Quote from a Directory FirmRequest a quote from any firm in a TESSA-operated registry. Lighter-weight than request-introduction — explicitly framed as a budget + scope inquiry. Records the request to directory_leads and forward

Card-drift history

Watching this agent since 2026-08-26T06:22:38Z. Hash = SHA-256 (16 hex) of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only edits don't count as drift. Feed: api/a2a-drift.json.

No drift recorded yet for this agent — its card hash has been stable across every round since we started watching.

Same host, MCP side

Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.

MCP endpointgradeMCP OKauth
https://aiagent.tessa.tech/mcpD?

Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.