# TESSA Marketing & Technology **Canonical:** https://apis.io/providers/tessa-tech/ **Website:** https://tessa.tech/ **APIs profiled:** 4 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. ## Kin Score — 38.9 / 100 (thin) Scored 2026-10-09 under rubric 0.23.0. Trend: flat (+0.5 from 38.4). | Facet | Score | |---|---| | Discoverability | 81.7 | | Contract Quality | 43.5 | | Contract Governance | 18.2 | | Operational Transparency | 15.8 | | Developer Ergonomics | 32.7 | | Access Clarity | 21.1 | Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 38.2 (matched via fallback). ## Agent readiness — 47.5 (agent-ready) | Dimension | Value | |---|---| | Spec Presence | yes | | Agentic Access | derived | | Reversibility Documented | no | | MCP Server | documented | | Auth Clarity | served | | Idempotency | no | | Error Semantics | verified | | OpenAPI Examples | no | | Rate Limit Signal | documented | | Event Surface Described | no | | Agent Skills | derived | | Well Known Catalog | no | | Consent Identity | no | | Agent Card | conformant | | Dry Run Mode | no | | Delegated Identity | served | | Protected Resource Metadata | verified | | Dynamic Client Registration | no | | Agentic Commerce | no | ## APIs (26) - **TESSA MCP Server** — 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 ser... - **TESSA A2A Agent** — A2A agent (protocolVersion 0.3.0, JSONRPC) for TESSA Marketing & Technology with nine skills — services catalog, case studies, AI agent readiness assessment, professional-servic... - **TESSA Marketing & Technology A2a API** — The A2a API from TESSA Marketing & Technology — 1 operation(s) for a2a. - **TESSA Marketing & Technology Admin API** — The Admin API from TESSA Marketing & Technology — 2 operation(s) for admin. - **TESSA Marketing & Technology Agent Card.json API** — The Agent Card.json API from TESSA Marketing & Technology — 1 operation(s) for agent card.json. - **TESSA Marketing & Technology Chatgpt API** — The Chatgpt API from TESSA Marketing & Technology — 1 operation(s) for chatgpt. - **TESSA Marketing & Technology Claim API** — The Claim API from TESSA Marketing & Technology — 1 operation(s) for claim. - **TESSA Marketing & Technology Claude API** — The Claude API from TESSA Marketing & Technology — 1 operation(s) for claude. - **TESSA Marketing & Technology Extensions API** — The Extensions API from TESSA Marketing & Technology — 6 operation(s) for extensions. - **TESSA Marketing & Technology Gemini API** — The Gemini API from TESSA Marketing & Technology — 1 operation(s) for gemini. - **TESSA Marketing & Technology Healthz API** — The Healthz API from TESSA Marketing & Technology — 1 operation(s) for healthz. - **TESSA Marketing & Technology Internal API** — The Internal API from TESSA Marketing & Technology — 2 operation(s) for internal. - **TESSA Marketing & Technology Profile.json API** — The Profile.json API from TESSA Marketing & Technology — 1 operation(s) for profile.json. - **TESSA Marketing & Technology Registry API** — The Registry API from TESSA Marketing & Technology — 1 operation(s) for registry. - **TESSA Marketing & Technology Registry.json API** — The Registry.json API from TESSA Marketing & Technology — 1 operation(s) for registry.json. - **TESSA Marketing & Technology Request Introduction API** — The Request Introduction API from TESSA Marketing & Technology — 1 operation(s) for request introduction. - **TESSA Marketing & Technology Request Removal API** — The Request Removal API from TESSA Marketing & Technology — 2 operation(s) for request removal. - **TESSA Marketing & Technology Robots.txt API** — The Robots.txt API from TESSA Marketing & Technology — 1 operation(s) for robots.txt. - **TESSA Marketing & Technology S API** — The S API from TESSA Marketing & Technology — 2 operation(s) for s. - **TESSA Marketing & Technology T API** — The T API from TESSA Marketing & Technology — 4 operation(s) for t. - **TESSA Marketing & Technology Takedown API** — The Takedown API from TESSA Marketing & Technology — 1 operation(s) for takedown. - **TESSA Marketing & Technology Taxonomy API** — The Taxonomy API from TESSA Marketing & Technology — 5 operation(s) for taxonomy. - **TESSA Marketing & Technology TESSA Agent Directory API** — The TESSA Agent Directory API from TESSA Marketing & Technology — 2 operation(s) for tessa agent directory. - **TESSA Marketing & Technology Vectors API** — The Vectors API from TESSA Marketing & Technology — 5 operation(s) for vectors. - **TESSA Marketing & Technology Verify Listing API** — The Verify Listing API from TESSA Marketing & Technology — 2 operation(s) for verify listing. - **TESSA Marketing & Technology .well Known API** — The .well Known API from TESSA Marketing & Technology — 3 operation(s) for .well known. ## MCP servers (1) - **TESSA Marketing & Technology MCP Server** — TESSA Marketing & Technology runs a hosted, anonymous MCP server on its own agent host: Streamable HTTP at https://aiagent.tessa.tech/mcp/, serverInfo name tessa-mcp-server vers... ## Agentic access (1) - **Tessa Tech Agentic Access** — 51 operations · 12 acting ## Security (2) - **Tessa Tech Authentication** — none/oauth2/admin-token · 4 schemes - **Tessa Tech Domain Security** — TLSv1.3 · DNSSEC · DMARC ## Plans (1) - **Tessa Tech Plans Pricing** ## Tags Digital Marketing, SEO, Web Development, Accessibility, AI Agent Readiness, Professional Services, Agent Directory, A2A, MCP, Agent-Native, Company --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/tessa-tech/). Scores are computed from the provider's own public artifacts under a published rubric.