MCP servers for Devin Desktop

RU INN/OGRN, banks, geo, WHOIS. Agent self-registers via register_agent. 20 free/day.

HTS MCP — US import tariff rates via the USITC Harmonized Tariff Schedule.

Meaning of HTTP 304.

Meaning of HTTP 409.

Meaning of HTTP 429.

Meaning of HTTP 503.

HTTP-date IMF-fixdate shape, value discarded

http/https scheme check, URL discarded

Preview the month's billing from approved time, retainers and progress, then draft invoices to send

MCP server for the HubSpot Integrations Center HubDB: search and retrieve integration data.

Pay-per-call agent tools: web search, email verification, contact screening, stocks, crypto and news

HUD MCP — U.S. Department of Housing and Urban Development APIs.

Huddlevo: the site's own MCP server — dataset; every answer cites the site.

Search for books and book-related products, with access to product and delivery details

Search Hugging Face models, datasets, Spaces, and docs; anonymous users get a standard Hub toolset.

Create and manage real-world Huint photo verification tasks via hosted streamable HTTP.

JPL-referenced Human Design charts for AI agents: bodygraph, transit, composite, Penta, DreamRave.

Calculate Human Design bodygraph charts, save people, compare charts, and analyse group dynamics.

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Ask a real human (not an LLM) for a judgment, $0.10 USDC via x402. The result returns to the agent.

AI Agents delegate public verification to human experts with evidence review and points rewards.