aid: tessa-tech
name: TESSA Marketing & Technology
description: 'TESSA Marketing & Technology is a McLean, Virginia digital marketing and web development agency (est.
  2012) selling SEO, paid search and social advertising, generative engine optimization, WordPress and custom web/app
  development, WCAG 2.2 AA accessibility audits, AI website search and avatars, and an AI Agent Readiness service.
  It publishes an unusually complete agent surface for a services firm: an A2A agent card (protocolVersion 0.3.0,
  nine skills) and JSON-RPC endpoint on aiagent.tessa.tech, an anonymous hosted MCP server (Streamable HTTP, ten
  tools with published inputSchema) advertised through an MCP server.json and a did:web document, a 28-card per-service
  A2A fleet, a FastAPI OpenAPI for the directory service behind it, RFC 8414/9728 OAuth discovery for a second OAuth
  2.1-gated WordPress MCP server, llms.txt, a Markdown pricing twin, and an AI-welcoming robots.txt. TESSA also
  operates two vertical A2A registries, complianceregistry.net and marketingregistry.org.'
url: https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/apis.yml
x-type: company
x-source: harvest:a2a-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-09-19 (was stub/harvest)
specificationVersion: '0.20'
created: '2026-09-19'
modified: '2026-09-19'
tags:
- Digital Marketing
- SEO
- Web Development
- Accessibility
- AI Agent Readiness
- Professional Services
- Agent Directory
- A2A
- MCP
- Agent-Native
- Company
tags_raw:
- Digital Marketing
- SEO
- Web Development
- Accessibility
- AI Agent Readiness
- Professional Services
- Agent Directory
- A2A
- MCP
- agent-native
- Company
apis:
- name: TESSA MCP Server
  description: >-
    Hosted, anonymous MCP server (Streamable HTTP at https://aiagent.tessa.tech/mcp/, serverInfo tessa-mcp-server
    1.30.0, protocolVersion 2025-06-18) exposing ten tools: TESSA's service catalog, case studies and
    WCAG audit offering, an AI Agent Readiness assessment for any URL, professional-services directory
    search and firm profiles, and four lead-creating tools (strategy-session booking, introduction, quote,
    listing claim). Advertised by /.well-known/mcp/server.json and the did:web document. A second MCP
    server on the WordPress apex (https://tessa.tech/wp-json/mcp/mcp-oauth-server) is OAuth 2.1-gated
    with RFC 8414/9728 discovery published on tessa.tech.
  humanURL: https://aiagent.tessa.tech/
  baseURL: https://aiagent.tessa.tech/mcp/
  tags:
  - MCP
  - Agent-Native
  - Professional Services
  - AI Agent Readiness
  - Digital Marketing
  tags_raw:
  - MCP
  - agent-native
  - Professional Services
  - AI Agent Readiness
  - Digital Marketing
  properties:
  - type: MCPServer
    url: mcp/tessa-tech-mcp.yml
  - type: MCPServer
    name: MCP endpoint (Streamable HTTP)
    url: https://aiagent.tessa.tech/mcp/
  - type: ToolCrosswalk
    url: mcp/tessa-tech-tool-crosswalk.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/
  - type: OAuthScopes
    url: scopes/tessa-tech-scopes.yml
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
- name: TESSA A2A Agent
  description: >-
    A2A agent (protocolVersion 0.3.0, JSONRPC) for TESSA Marketing & Technology with nine skills — services
    catalog, case studies, AI agent readiness assessment, professional-services firm search, WCAG audit
    offering, strategy-session booking, introduction, listing claim and quote requests — plus a fleet
    of 28 per-service agent cards under /s/{slug}/agent-card.json and per-tenant cards under /t/{slug}/.
    Card graded conformant against A2A 1.0.0 hard checks; no securitySchemes declared.
  humanURL: https://aiagent.tessa.tech/.well-known/agent-card.json
  baseURL: https://aiagent.tessa.tech/a2a
  tags:
  - A2A
  - Agent-Native
  - Professional Services
  - Digital Marketing
  - Agent Directory
  tags_raw:
  - A2A
  - agent-native
  - Professional Services
  - Digital Marketing
  - Agent Directory
  properties:
  - type: AgentCard
    url: a2a/tessa-tech-a2a.yml
  - type: AgentCard
    name: Agent card (provider-hosted)
    url: https://aiagent.tessa.tech/.well-known/agent-card.json
  - type: Documentation
    url: https://aiagent.tessa.tech/
- aid: tessa-tech:tessa-tech-a2a-api
  name: TESSA Marketing & Technology A2a API
  description: The A2a API from TESSA Marketing & Technology — 1 operation(s) for a2a.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - A2a
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-a2a-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-admin-api
  name: TESSA Marketing & Technology Admin API
  description: The Admin API from TESSA Marketing & Technology — 2 operation(s) for admin.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Admin
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-admin-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-agent-card-json-api
  name: TESSA Marketing & Technology Agent Card.json API
  description: >-
    The Agent Card.json API from TESSA Marketing & Technology — 1 operation(s) for agent card.json.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Agent Card.json
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-agent-card-json-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-chatgpt-api
  name: TESSA Marketing & Technology Chatgpt API
  description: The Chatgpt API from TESSA Marketing & Technology — 1 operation(s) for chatgpt.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Chatgpt
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-chatgpt-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-claim-api
  name: TESSA Marketing & Technology Claim API
  description: The Claim API from TESSA Marketing & Technology — 1 operation(s) for claim.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Claim
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-claim-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-claude-api
  name: TESSA Marketing & Technology Claude API
  description: The Claude API from TESSA Marketing & Technology — 1 operation(s) for claude.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Claude
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-claude-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-extensions-api
  name: TESSA Marketing & Technology Extensions API
  description: The Extensions API from TESSA Marketing & Technology — 6 operation(s) for extensions.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Extensions
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-extensions-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-gemini-api
  name: TESSA Marketing & Technology Gemini API
  description: The Gemini API from TESSA Marketing & Technology — 1 operation(s) for gemini.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Gemini
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-gemini-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-healthz-api
  name: TESSA Marketing & Technology Healthz API
  description: The Healthz API from TESSA Marketing & Technology — 1 operation(s) for healthz.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Healthz
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-healthz-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-internal-api
  name: TESSA Marketing & Technology Internal API
  description: The Internal API from TESSA Marketing & Technology — 2 operation(s) for internal.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Internal
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-internal-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-profile-json-api
  name: TESSA Marketing & Technology Profile.json API
  description: >-
    The Profile.json API from TESSA Marketing & Technology — 1 operation(s) for profile.json.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Profile.json
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-profile-json-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-registry-api
  name: TESSA Marketing & Technology Registry API
  description: The Registry API from TESSA Marketing & Technology — 1 operation(s) for registry.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Registry
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-registry-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-registry-json-api
  name: TESSA Marketing & Technology Registry.json API
  description: >-
    The Registry.json API from TESSA Marketing & Technology — 1 operation(s) for registry.json.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Registry.json
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-registry-json-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-request-introduction-api
  name: TESSA Marketing & Technology Request Introduction API
  description: >-
    The Request Introduction API from TESSA Marketing & Technology — 1 operation(s) for request introduction.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Request Introduction
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-request-introduction-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-request-removal-api
  name: TESSA Marketing & Technology Request Removal API
  description: >-
    The Request Removal API from TESSA Marketing & Technology — 2 operation(s) for request removal.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Request Removal
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-request-removal-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-robots-txt-api
  name: TESSA Marketing & Technology Robots.txt API
  description: The Robots.txt API from TESSA Marketing & Technology — 1 operation(s) for robots.txt.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Robots.txt
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-robots-txt-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-s-api
  name: TESSA Marketing & Technology S API
  description: The S API from TESSA Marketing & Technology — 2 operation(s) for s.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - S
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-s-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-t-api
  name: TESSA Marketing & Technology T API
  description: The T API from TESSA Marketing & Technology — 4 operation(s) for t.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - T
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-t-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-takedown-api
  name: TESSA Marketing & Technology Takedown API
  description: The Takedown API from TESSA Marketing & Technology — 1 operation(s) for takedown.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Takedown
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-takedown-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-taxonomy-api
  name: TESSA Marketing & Technology Taxonomy API
  description: The Taxonomy API from TESSA Marketing & Technology — 5 operation(s) for taxonomy.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Taxonomy
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-taxonomy-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-tessa-agent-directory-api
  name: TESSA Marketing & Technology TESSA Agent Directory API
  description: >-
    The TESSA Agent Directory API from TESSA Marketing & Technology — 2 operation(s) for tessa agent directory.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - TESSA Agent Directory
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-tessa-agent-directory-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-vectors-api
  name: TESSA Marketing & Technology Vectors API
  description: The Vectors API from TESSA Marketing & Technology — 5 operation(s) for vectors.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Vectors
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-vectors-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-verify-listing-api
  name: TESSA Marketing & Technology Verify Listing API
  description: >-
    The Verify Listing API from TESSA Marketing & Technology — 2 operation(s) for verify listing.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - Verify Listing
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-verify-listing-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
- aid: tessa-tech:tessa-tech-well-known-api
  name: TESSA Marketing & Technology .well Known API
  description: The .well Known API from TESSA Marketing & Technology — 3 operation(s) for .well known.
  humanURL: https://aiagent.tessa.tech/docs
  baseURL: https://aiagent.tessa.tech
  tags:
  - .well Known
  properties:
  - type: OpenAPI
    url: openapi/tessa-tech-well-known-api-openapi.yml
  - type: Documentation
    url: https://aiagent.tessa.tech/docs
  - type: APIReference
    url: https://aiagent.tessa.tech/redoc
  - type: Authentication
    url: authentication/tessa-tech-authentication.yml
  - type: Conventions
    url: conventions/tessa-tech-conventions.yml
  - type: ErrorCatalog
    url: errors/tessa-tech-problem-types.yml
  - type: DataModel
    url: data-model/tessa-tech-data-model.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/tessa-tech-domain-security.yml
- type: AgenticAccess
  url: agentic-access/tessa-tech-agentic-access.yml
- type: Website
  url: https://tessa.tech/
- type: Blog
  url: https://tessa.tech/blog/
- type: BlogRSS
  url: https://tessa.tech/feed/
- type: Pricing
  url: https://tessa.tech/pricing/
- type: PrivacyPolicy
  url: https://tessa.tech/privacy-policy/
- type: Contact
  url: https://tessa.tech/about/contact-us/
- type: About
  url: https://tessa.tech/about/
- type: Leadership
  url: https://tessa.tech/team/
- type: CaseStudies
  url: https://tessa.tech/casestudies/
- type: Documentation
  url: https://aiagent.tessa.tech/docs
- type: APIReference
  url: https://aiagent.tessa.tech/redoc
- type: LLMsTxt
  url: llms/tessa-tech-llms.txt
- type: LLMsTxt
  name: llms.txt (provider-hosted)
  url: https://tessa.tech/llms.txt
- type: AgentCard
  url: a2a/tessa-tech-a2a.yml
- type: MCPServer
  url: mcp/tessa-tech-mcp.yml
- type: ToolCrosswalk
  url: mcp/tessa-tech-tool-crosswalk.yml
- type: WellKnown
  url: well-known/tessa-tech-well-known.yml
- type: Authentication
  url: authentication/tessa-tech-authentication.yml
- type: OAuthScopes
  url: scopes/tessa-tech-scopes.yml
- type: Conventions
  url: conventions/tessa-tech-conventions.yml
- type: Lifecycle
  url: lifecycle/tessa-tech-lifecycle.yml
- type: Conformance
  url: conformance/tessa-tech-conformance.yml
- type: ErrorCatalog
  url: errors/tessa-tech-problem-types.yml
- type: DataModel
  url: data-model/tessa-tech-data-model.yml
- type: Overlay
  url: overlays/tessa-tech-agent-directory-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/tessa-tech-packages.yml
- type: Plans
  url: plans/tessa-tech-plans-pricing.yml
- type: RateLimits
  url: rate-limits/tessa-tech-rate-limits.yml
- type: ChangeLog
  url: changelog/tessa-tech-changelog.yml
- type: ChangeLog
  name: Extension changelog (provider-hosted)
  url: https://complianceregistry.net/extensions/tessa-professional-services/v1/changelog
- type: GlobalPrivacyControl
  url: https://tessa.tech/privacy-policy/
- type: DataSubjectRequest
  url: https://tessa.tech/privacy-policy/
image: https://tessa.tech/wp-content/uploads/2026/08/tessa-og-default-1200x630-1.png
x-enrichment:
  date: '2026-09-19'
  status: enriched
  artifacts_added: 33
  pass: local-v3
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: "https://aiagent.tessa.tech/.well-known/agent-card.json"
  grade: "conformant"
  protocol_version: "0.3.0"
  control: 404