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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 0.3.0 v1.1.0

TESSA Marketing & Technology

tessa.tech · 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 (complianceregistry.net).

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Own this agent?
Verify the domain tessa.tech via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Trust score
60/100
grade C · 9 criteria
Uptime
3.4%
204 probes
~1029 ms response
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
2 snapshots tracked
Owner
unverified
claim this listing →
C
Conformance score: 60/100
C-grade: usable but has clear conformance issues, review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
pass Live JSON-RPC 25/25
Endpoint responds to message/send with valid JSON-RPC (answers in ~1029 ms).
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
fail Uptime track record 1/15
7/204 probes succeeded (3% uptime).
How to earn +14 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
pass Skill declaration 10/10
Declares 9 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: TESSA Marketing & Technology (https://tessa.tech). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 1d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

2 snapshots drifted 1× Every change to agent-card.json
Captured Hash
2026-07-09 09:09:35 current 08b867b57aad… view →
2026-07-04 06:41:05 216b9d5f19da… view →
Uptime
3.4%
204 probes
Response
353ms
last probe
Skills
9
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://tessa.tech/.well-known/agent-card.json
Providerhttps://tessa.tech
Docshttps://tessa.tech
Discovered via
registry a2aregistry recrawl_warm recrawl_hot

Skills · 9 declared · mapped to canonical taxonomy

TESSA Services Catalog

Returns TESSA's full service catalog: SEO, paid media, web/app development, AI website experiences, AI agent readiness, accessibility, and more. Includes pricin…

canonical Marketing Services Intake match 81%
servicescatalogmarketingseopaid-media
TESSA Case Studies

Returns TESSA's project portfolio with industries, services used, and measurable outcomes. Includes SCS Engineers (240% traffic growth), Network for Good (357K …

canonical Test Case Generation match 79%
case-studiesportfolioresultsproofoutcomes
AI Agent Readiness Assessment

Given 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, wel…

canonical Model Evaluation and Benchmarking match 83%
ai-readinessagent-discoveryagent-optimizationauditschema
Find a Professional Services Firm

Search the TESSA Professional Services Directory across all vertical registries TESSA operates. Filter by industry, region, or capability. Returns matching firm…

canonical Real Estate Listings Search match 81%
directorysearchfirm-discoveryprofessional-servicescompliance
Get TESSA's WCAG 2.2 AA Accessibility Audit Offering

Returns TESSA's WCAG 2.2 AA accessibility audit offering in structured form: scope, deliverables (VPAT/ACR, findings report, remediation roadmap), typical timel…

canonical Vulnerability Analysis match 78%
accessibilitywcagwcag-2.2auditvpat
Book a Strategy Session with TESSA

Book a 30-minute strategy session with Kevin Callen on TESSA's calendar. Provide prospect contact info, project brief, and (optionally) a preferred window. TESS…

canonical Calendar Scheduling match 82%
leadbookingstrategy-sessioncalendargoogle-calendar
Request an Introduction

Request an informational introduction to TESSA, or pass target_firm_slug to request an intro to any firm in the TESSA Professional Services Directory. TESSA log…

canonical Physiotherapy Booking and Triage match 80%
leadcontactintroductionwarm-introreferral
Claim a Directory Listing

Record 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 reache…

canonical Agent Profiles match 79%
claimownershipverificationdirectorylisting-control
Request a Quote from a Directory Firm

Request a quote from any firm in a TESSA-operated registry. Lighter-weight than request-introduction — explicitly framed as a budget + scope inquiry. Records th…

canonical Electrician Dispatch and Quotes match 81%
quoterfqscopebudgetlead

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-10 06:40:40 200 353ms
2026-07-09 09:09:01 200 286ms
2026-07-06 03:37:23 200 277ms
2026-07-05 15:27:14 200 314ms
2026-07-05 02:04:53 200 293ms
2026-07-04 06:41:05 200 279ms
2026-07-03 04:15:56 404
2026-07-02 18:24:44 404
2026-07-02 12:10:59 404
2026-07-02 04:22:59 404

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Embed your Agenstry badge

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/tessa.tech.svg)](https://agenstry.com/agents/tessa.tech)
[![Verified Business](https://agenstry.com/badge/tessa.tech/identity.svg)](https://agenstry.com/agents/tessa.tech)
[![Uptime](https://agenstry.com/badge/tessa.tech/uptime.svg)](https://agenstry.com/agents/tessa.tech)
[![A2A version](https://agenstry.com/badge/tessa.tech/protocol.svg)](https://agenstry.com/agents/tessa.tech)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "protocolVersion": "0.3.0",
  "name": "TESSA Marketing & Technology",
  "description": "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 (complianceregistry.net).",
  "url": "https://aiagent.tessa.tech",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    {
      "url": "https://aiagent.tessa.tech",
      "transport": "JSONRPC"
    }
  ],
  "iconUrl": "https://tessa.tech/wp-content/uploads/2024/12/tessa-icon-256.png",
  "version": "1.1.0",
  "provider": {
    "organization": "TESSA Marketing & Technology",
    "url": "https://tessa.tech"
  },
  "documentationUrl": "https://tessa.tech",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "tessa-services",
      "name": "TESSA Services Catalog",
      "description": "Returns 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 service.",
      "tags": [
        "services",
        "catalog",
        "marketing",
        "seo",
        "paid-media",
        "web-development",
        "app-development",
        "ai",
        "ai-experiences",
        "agent-readiness",
        "accessibility",
        "wcag",
        "ada"
      ]
    },
    {
      "id": "tessa-case-studies",
      "name": "TESSA Case Studies",
      "description": "Returns 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% revenue YoY).",
      "tags": [
        "case-studies",
        "portfolio",
        "results",
        "proof",
        "outcomes",
        "growth",
        "traffic",
        "revenue",
        "social-proof"
      ]
    },
    {
      "id": "ai-readiness-assessment",
      "name": "AI Agent Readiness Assessment",
      "description": "Given 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 AI directives, and metadata quality.",
      "tags": [
        "ai-readiness",
        "agent-discovery",
        "agent-optimization",
        "audit",
        "schema",
        "json-ld",
        "structured-data",
        "llms-txt",
        "well-known",
        "robots-txt",
        "discoverability"
      ],
      "inputModes": [
        "application/json"
      ]
    },
    {
      "id": "find-professional-services-firm",
      "name": "Find a Professional Services Firm",
      "description": "Search 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 locations.",
      "tags": [
        "directory",
        "search",
        "firm-discovery",
        "professional-services",
        "compliance",
        "marketing",
        "vendor-discovery",
        "rfq",
        "rfp"
      ],
      "inputModes": [
        "application/json"
      ]
    },
    {
      "id": "get-wcag-audit",
      "name": "Get TESSA's WCAG 2.2 AA Accessibility Audit Offering",
      "description": "Returns 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\u2013$225, project range $5K\u2013$25K), and the URL of TESSA's accessibility profile in the TESSA Compliance Registry.",
      "tags": [
        "accessibility",
        "wcag",
        "wcag-2.2",
        "audit",
        "vpat",
        "acr",
        "ada",
        "section-508",
        "compliance",
        "remediation",
        "screen-reader",
        "keyboard-navigation"
      ]
    },
    {
      "id": "request-strategy-session",
      "name": "Book a Strategy Session with TESSA",
      "description": "Book 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, creates a Google Calendar event with a Google Meet link, and sends the prospect the invite. Returns the scheduled time and Meet link to the calling agent.",
      "tags": [
        "lead",
        "booking",
        "strategy-session",
        "calendar",
        "google-calendar",
        "google-meet",
        "consultation",
        "discovery-call",
        "appointment"
      ],
      "inputModes": [
        "application/json"
      ]
    },
    {
      "id": "request-introduction",
      "name": "Request an Introduction",
      "description": "Request 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 email to the firm. Use request-strategy-session if you want to actually book a meeting with TESSA.",
      "tags": [
        "lead",
        "contact",
        "introduction",
        "warm-intro",
        "referral",
        "lead-routing",
        "directory"
      ],
      "inputModes": [
        "application/json"
      ]
    },
    {
      "id": "claim-listing",
      "name": "Claim a Directory Listing",
      "description": "Record 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 business day to verify the claimant. Self-service OAuth-2.1 claim flow lands in a follow-up plan.",
      "tags": [
        "claim",
        "ownership",
        "verification",
        "directory",
        "listing-control",
        "yelp-model"
      ],
      "inputModes": [
        "application/json"
      ]
    },
    {
      "id": "request-quote",
      "name": "Request a Quote from a Directory Firm",
      "description": "Request a quote from any firm in a TESSA-operated registry. Lighter-weight than request-introduction \u2014 explicitly framed as a budget + scope inquiry. Records the request to directory_leads and forwards a structured email to the firm with the prospect's reply-to address.",
      "tags": [
        "quote",
        "rfq",
        "scope",
        "budget",
        "lead",
        "directory",
        "vendor-pricing",
        "estimate"
      ],
      "inputModes": [
        "application/json"
      ]
    }
  ],
  "_meta": {
    "tessa": {
      "publisher": "TESSA Marketing & Technology",
      "operates_registries": [
        "https://complianceregistry.net",
        "https://marketingregistry.org"
      ],
      "tagline": "Be CertAIn.",
      "contact": "sales@tessa.tech",
      "did": "did:web:tessa.tech"
    }
  }
}