--- title: "Companies starting with H | Agent MCP Directory" description: "46 companies starting with H: MCP server, CLI and OpenAPI status, checked 4 November 2026. Each row links to a full entry." canonical: https://agentmcpdirectory.com/directory/letter/h site: "Agent MCP Directory" last_updated: 2026-11-05 section: "Directory lists" --- # Companies starting with H | Agent MCP Directory > 46 companies starting with H: MCP server, CLI and OpenAPI status, checked 4 November 2026. Each row links to a full entry. Source: https://agentmcpdirectory.com/directory/letter/h Site: Agent MCP Directory Last reviewed: 2026-11-05 # Companies starting with H 46 companies in the directory start with the letter H: 10 listed tools to a client with no credentials, 16 answered with a sign-in challenge (not counted), and 3 have a CLI on record. Rows run from Habitica to Hypotize. ## Rows | Company | MCP server | CLI | Ora score | OpenAPI | WebMCP | Last verified | | --- | --- | --- | --- | --- | --- | --- | | Habitica habitica.com | None found | – | 34 D | – | no | 2026-11-04 | | HackerRank hackerrank.com | None found | – | 69 C | – | no | 2026-11-04 | | Hands for Agents handsforagents.com | Verified no auth | – | | – | not read | 2026-11-04 | | hardoz hardoz.eu.cc | No answer | – | | – | not read | 2026-11-04 | | Harness harness.io | Sign-in required OAuth DCR; tools not seen, not counted; endpoint found by subdomain guess; it answered with a sign-in challenge and was not verified | – | 75 B | – | no | 2026-11-04 | | HARVEST.com harvest.com | None found | – | 39 D | – | no | 2026-11-04 | | HasData hasdata.com | Verified no auth | – | | – | not read | 2026-11-04 | | HashiCorp hashicorp.com | None found | – | 60 C | – | no | 2026-11-04 | | Hasura hasura.io | None found | – | 51 C | – | no | 2026-11-04 | | Hatchet hatchet.run | None found | – | 53 C | – | no | 2026-11-04 | | Haystackeditor haystackeditor.com | None found | – | 44 D | – | no | 2026-11-04 | | Hcti hcti.io | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | | Healthline healthline.com | None found | – | 75 B | – | no | 2026-11-04 | | Helena helena.bio | Verified no auth | – | | – | not read | 2026-11-04 | | HelixDB helix-db.com | Sign-in required OAuth DCR; tools not seen, not counted; endpoint found by subdomain guess; it answered with a sign-in challenge and was not verified | – | 82 B | yes | no | 2026-11-04 | | HemmaBo hemmabo.com | Verified no auth | – | | – | not read | 2026-11-04 | | Hermoso hermoso.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | 69 C | yes | not read | 2026-11-04 | | Heroku heroku.com | Sign-in required OAuth DCR; tools not seen, not counted; endpoint found by subdomain guess; it answered with a sign-in challenge and was not verified | heroku | 73 B | – | no | 2026-11-04 | | HeroUI heroui.com | None found | – | 81 B | yes | no | 2026-11-04 | | HetrixTools hetrixtools.com | None found | – | 59 C | – | no | 2026-11-04 | | Hetzner hetzner.com | None found | – | 50 C | – | no | 2026-11-04 | | Hexclave hexclave.com | Verified no auth; endpoint found by subdomain guess, verified by connecting | – | 85 B | yes | no | 2026-11-04 | | Hiro hiro.so | None found | – | 49 C | – | no | 2026-11-04 | | Hitsteps hitsteps.com | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | | Hive hive.com | None found | – | 66 C | – | no | 2026-11-04 | | Hive Intelligence hiveintelligence.xyz | Verified no auth | – | | – | not read | 2026-11-04 | | Honeybadger honeybadger.io | None found | – | 72 B | – | not read | 2026-11-04 | | Honeycomb honeycomb.io | Sign-in required OAuth DCR; tools not seen, not counted; endpoint found by subdomain guess; it answered with a sign-in challenge and was not verified | – | 79 B | – | no | 2026-11-04 | | Hookpulse hookpulse.net | Verified no auth | – | | yes | not read | 2026-11-04 | | Hookstep hookstep.in | Credential wall API key | – | | – | not read | 2026-11-04 | | hoop.dev hoop.dev | None found | – | 41 D | – | no | 2026-11-04 | | Hostinger hostinger.com | Sign-in required OAuth DCR; tools not seen, not counted | – | 96 A+ | yes | yes | 2026-11-04 | | hotglue hotglue.com | Verified no auth; endpoint found by subdomain guess, verified by connecting | – | 58 C | – | no | 2026-11-04 | | HubSpot hubspot.com | Sign-in required OAuth; tools not seen, not counted | @hubspot/cli | 72 B | – | no | 2026-11-04 | | Hubstaff hubstaff.com | Sign-in required OAuth DCR; tools not seen, not counted; endpoint found by subdomain guess; it answered with a sign-in challenge and was not verified | – | 45 D | – | no | 2026-11-04 | | Huddo huddo.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | | Hugging Face huggingface.co | Verified no auth | huggingface_hub | 82 B | – | no | 2026-11-04 | | HVTracker hvtracker.net | Verified no auth | – | | – | not read | 2026-11-04 | | Hydrant hydrant.dev | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | | Hygraph hygraph.com | None found | – | 69 C | – | no | 2026-11-04 | | HypAware hypaware.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | | HYPD AI hypd.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | 78 B | – | not read | 2026-11-04 | | Hyperbeam hyperbeam.com | None found | – | 57 C | – | no | 2026-11-04 | | Hyperresearch hyperresearch.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | 77 B | – | not read | 2026-11-04 | | Hyperspell hyperspell.com | None found | – | 75 B | – | no | 2026-11-04 | | Hypotize hypotize.ai | Sign-in required OAuth DCR; tools not seen, not counted | – | | – | not read | 2026-11-04 | Ora score is Ora's cached score and grade for the company's domain, read on 5 November 2026 from GET /api/score/{domain}, or from Ora's GET /api/leaderboard of the same day where that was read first (a vendor-published figure). A blank cell means Ora returned no cached score for the domain, or the domain was not read. MCP status - [Verified](https://agentmcpdirectory.com/directory/status/verified/) 263 - [Sign-in required, tools not seen, not counted](https://agentmcpdirectory.com/directory/status/sign-in/) 533 - [Credential wall](https://agentmcpdirectory.com/directory/status/credential-wall/) 19 - [No answer](https://agentmcpdirectory.com/directory/status/no-answer/) 47 - [No tools listed](https://agentmcpdirectory.com/directory/status/no-tools/) 2 - [None found](https://agentmcpdirectory.com/directory/status/none-found/) 472 Auth type - [No authentication](https://agentmcpdirectory.com/directory/auth/none/) 263 - [API key](https://agentmcpdirectory.com/directory/auth/api-key/) 19 - [OAuth with client registration](https://agentmcpdirectory.com/directory/auth/oauth-dcr/) 517 - [OAuth without client registration](https://agentmcpdirectory.com/directory/auth/oauth/) 16 Edition 4 November 2026 Method [How rows are verified](https://agentmcpdirectory.com/method/) Data [CSV and JSON](https://agentmcpdirectory.com/data/) Markdown [This page as markdown](https://agentmcpdirectory.com/directory/letter/h/index.md) ## Sources - [Official MCP Registry API](https://registry.modelcontextprotocol.io/v0/servers), read 4 November 2026 - [Ora public leaderboard](https://ora.ai/leaderboard?utm_source=agentmcpdirectory.com&utm_medium=referral&utm_campaign=list), read 4 November 2026 - [Ora leaderboard, GET /api/leaderboard](https://ora.ai/api/leaderboard?utm_source=agentmcpdirectory.com&utm_medium=referral&utm_campaign=list), read 5 November 2026 - [Ora API reference, including GET /api/score/{domain}](https://ora.ai/llms-full.txt?utm_source=agentmcpdirectory.com&utm_medium=referral&utm_campaign=list), read 5 November 2026 Last reviewed 5 November 2026