Neblla MCP server

• Registry namecom.neblla/nebllaverified in the MCP registry

The registry name sits under neblla.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

• Stateanswerschecked 2026-10-24
• Tools166
• Server calls itselfneblla
• Server version2.5.0
• Protocol version2025-06-18

On 2026-10-24 the server answered initialize and tools/list without a sign-in. First answer in 223 ms.

• Whether its tools do the product's job has not been judged yet.
• Checked on 4 of the 7 days it takes to judge reliability.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

• INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
• Answeredmeasuring4 of the 7 daily checks it takes to print a share
• Median first answer341 ms
• Space in an agent's context≈ 29,473 tokensthe definitions of all its tools (165), which an agent carries on every turn
• Tool definitionsA · 91 of 100
• Typed results0 of 165 toolsdeclared outputSchema: results come typed, read once

• Parameters without a type: in 10 of 165
• Parameters without a description: in 75 of 165

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

• neblla_get_llms

  Reads the Neblla developer guide by section, or the complete reference of one tool (tools/<name>). More: neblla_get_llms tools/get_llms

• neblla_get_app_url

  Returns the public URL of an app in the gallery. Answers play.neblla.com/<slug>. More: neblla_get_llms tools/get_app_url

• neblla_validate_requirements

  Lists the configuration decisions still pending for a new app; changes nothing. More: neblla_get_llms tools/validate_requirements

• neblla_create_app

  Creates an app, blank or from a template or decisions, and returns its appId. The app is live at play.neblla.com/<slug> at once. More: neblla_get_llms tools/create_app

• neblla_list_apps

  Lists the developer's apps, one short line each: id, name, slug, plan and project. More: neblla_get_llms tools/list_apps

• neblla_delete_app

  Permanently deletes an app with its files and data. More: neblla_get_llms tools/delete_app

• neblla_update_app

  Changes an app's general settings: name, theme, modules, domains, example mark and public keys; the other settings have their own neblla_update_app_<module>. name, domains, customDomain, turnstile and playerQuota apply at once; the rest…

• neblla_update_app_rooms

  Changes how an app's rooms work: rooms policy, matchmaking, where the server code runs, Fog, P2P and connection settings. More: neblla_get_llms tools/update_app_rooms

• neblla_update_app_community

  Changes how user-published entries work in an app: who publishes, review mode, limits, categories and the AI pre-screen. More: neblla_get_llms tools/update_app_community

• neblla_update_app_payments

  Changes how purchases work in an app: the email checkout and what a purchase raises per product. More: neblla_get_llms tools/update_app_payments

• neblla_update_app_auth

  Changes sign-in and access in an app: the login options, roles, user groups and the sentences shown on the consent screen. More: neblla_get_llms tools/update_app_auth

• neblla_update_app_storage

  Changes how an app keeps data: its tables, the defaults of user saves and what other users may see of a user's saves. More: neblla_get_llms tools/update_app_storage

• neblla_update_app_games

  Changes the game mechanics of an app: ranking boards, match results, fair draws and trades between users. More: neblla_get_llms tools/update_app_games

• neblla_update_app_business

  Changes the business template of an app: booking sets, services, credits, standing places, sellers and reminders. More: neblla_get_llms tools/update_app_business

• neblla_update_app_inbox

  Changes the inbox of an app: its cap per user, reply address, welcome message and the developer's saved replies. More: neblla_get_llms tools/update_app_inbox

• neblla_update_app_integrations

  Changes an app's AI proxy (neblla.ai) and its outgoing webhooks. More: neblla_get_llms tools/update_app_integrations

• neblla_list_community_entries

  Lists the community entries (content published by users) of an app, with any status. More: neblla_get_llms tools/list_community_entries

• neblla_get_community_entry

  Returns one community entry with its payload, reports and reviews. More: neblla_get_llms tools/get_community_entry

• neblla_publish_community_entry

  Publishes a community entry as the developer's own user in the app. More: neblla_get_llms tools/publish_community_entry

• neblla_copy_community_entries

  Copies community entries from one of the developer's apps to another. More: neblla_get_llms tools/copy_community_entries

• neblla_update_community_entry

  Edits an entry of the app's community, its own or a user's. More: neblla_get_llms tools/update_community_entry

• neblla_reply_community_review

  Answers a review of a community entry as the app; the answer shows under the review. More: neblla_get_llms tools/reply_community_review

• neblla_delete_community_entry

  Withdraws a community entry for good, with its payload, reviews and favorites. More: neblla_get_llms tools/delete_community_entry

• neblla_moderate_community_entry

  Approves, rejects, removes, restores or suspends a community entry. More: neblla_get_llms tools/moderate_community_entry

• neblla_community_cases_read

  Lists and shows the formal notices filed about the app's community entries from outside it. More: neblla_get_llms tools/community_cases_read

• neblla_community_cases

  Closes a formal notice about a community entry as upheld or dismissed; the entry is restored separately. More: neblla_get_llms tools/community_cases

• neblla_retheme_app

  Changes the palette and typography of an app after it was created. More: neblla_get_llms tools/retheme_app

• neblla_upload_file

  Uploads or replaces one file in the app's draft (30 files on free, 150 on Pro, 25 MB each). More: neblla_get_llms tools/upload_file

• neblla_list_files

  Lists the files of an app as it is being edited: pre with the unpublished draft over it. More: neblla_get_llms tools/list_files

• neblla_copy_files

  Copies files from one of the developer's apps to another. More: neblla_get_llms tools/copy_files

• neblla_get_file

  Returns the content of one file. More: neblla_get_llms tools/get_file

• neblla_edit_file

  Edits a text file by pieces (oldText to newText) without sending the whole file. More: neblla_get_llms tools/edit_file

• neblla_delete_file

  Deletes one file; it leaves the published app with the next publish. More: neblla_get_llms tools/delete_file

• neblla_move_file

  Renames or moves a file within an app. More: neblla_get_llms tools/move_file

• neblla_developer_notices_read

  Lists the notices Neblla sends to every developer, such as a change of sub-processors. More: neblla_get_llms tools/developer_notices_read

• neblla_developer_notices

  Dismisses a notice of the developer's Neblla inbox. More: neblla_get_llms tools/developer_notices

• neblla_create_product

  Creates a product to sell in an app: one time, consumable or subscription. More: neblla_get_llms tools/create_product

• neblla_update_product

  Changes an existing product; only the given fields change. More: neblla_get_llms tools/update_product

• neblla_list_products

  Lists the products of an app. More: neblla_get_llms tools/list_products

• neblla_delete_product

  Permanently deletes a product. More: neblla_get_llms tools/delete_product

• neblla_publish_app

  Lists the app in the public gallery. More: neblla_get_llms tools/publish_app

• neblla_unpublish_app

  Removes the app from the public gallery; its files and URL stay. More: neblla_get_llms tools/unpublish_app

• neblla_list_users

  Lists the end users of an app (not the developer's own account), with email and name. More: neblla_get_llms tools/list_users

• neblla_export_users

  Exports the users of an app with all their data, page by page; for the app owner only. More: neblla_get_llms tools/export_users

• neblla_search_users_by_email

  Finds users of an app by part of their email (3 characters or more, up to 20). More: neblla_get_llms tools/search_users_by_email

• neblla_get_user

  Returns the record of one end user: saved data, purchases and communications thread. More: neblla_get_llms tools/get_user

• neblla_list_communications

  Lists messages across all users of an app, filtered by read state, sender, importance or email. More: neblla_get_llms tools/list_communications

• neblla_send_communication

  Sends a message from the developer to one end user's inbox. Email only for contact:true users. More: neblla_get_llms tools/send_communication

• neblla_mark_communication_read

  Marks a communication as read or unread. The user sees it live. More: neblla_get_llms tools/mark_communication_read

• neblla_set_communication_important

  Sets or clears the important flag of a communication. More: neblla_get_llms tools/set_communication_important

• neblla_delete_communication

  Permanently removes a communication from a user's thread. More: neblla_get_llms tools/delete_communication

• neblla_update_user_data

  Replaces (does not merge) the saved `data` of one end user. More: neblla_get_llms tools/update_user_data

• neblla_list_rooms

  Lists the persistent rooms of an app: type, owners, moderators, data and activity. More: neblla_get_llms tools/list_rooms

• neblla_get_room_history

  Reads a room's chat history, newest first, for moderation. More: neblla_get_llms tools/get_room_history

• neblla_delete_room_message

  Deletes (soft) one chat message of a room. More: neblla_get_llms tools/delete_room_message

• neblla_create_room

  Creates a predefined room that exists before anyone joins. More: neblla_get_llms tools/create_room

• neblla_update_room

  Changes a room: its shared data, its moderators or its inactivity time. More: neblla_get_llms tools/update_room

• neblla_delete_room

  Deletes a persistent room and its stored data. LOBBY cannot be deleted. More: neblla_get_llms tools/delete_room

• neblla_list_moderators

  Lists the app-level moderators. More: neblla_get_llms tools/list_moderators

• neblla_get_moderation_log

  Reads the moderation log, newest first: moderators named, bans, removed messages. Empty unless moderationLog is on. More: neblla_get_llms tools/get_moderation_log

The first 60 of 166, as the server listed them.