MCP-сервер Fine Structure

• Имя в реестреai.finestructure/fine-structureподтверждён в реестре MCP

Имя в реестре лежит в пространстве finestructure.ai. Реестр пускает в такое пространство только того, кто доказал владение доменом через DNS или HTTP.

• Состояниеотвечаетпроверено 2026-10-12
• Инструменты93
• Сервер называет себяfine-structure-mcp
• Версия сервера1.0.0
• Версия протокола2025-06-18

2026-10-12 сервер ответил на initialize и tools/list без входа. Первый ответ за 100 мс.

• create_app

  Create a new application from a natural language prompt. The AI generates a complete web app with pages, components, styling, and data models. Returns a job_id - poll get_job_status to track progress. When the job is done, the app is ready.

• agency_create_client

  Agency mode only. Create or update a client record for an account-level agent. This does not create a verified Fine Structure user account and does not transfer ownership.

• agency_list_clients

  Agency mode only. List client records and app handoff status for the authenticated agent.

• agency_create_client_app

  Agency mode only. Create a new app owned by the agent, start generation, and create a claim link for the client. Ownership transfers only when the invited client logs in with the same email and accepts the claim link.

• agency_create_claim_link

  Agency mode only. Create a client claim link for an existing app owned by the agent. The client must log in with the invited email before ownership transfers.

• agency_get_claim_status

  Agency mode only. Inspect one handoff status without exposing the raw claim token.

• update_app

  Update an existing application with a new prompt. The AI modifies the app based on your instructions. Creates a Saved Version before the update. Returns a job_id - poll get_job_status to track progress.

• publish_app

  Publish an app - freeze current state and make it live at a URL. Also configures whether the public URL is open, app-login gated, private, or inferred from the app.

• get_platform_guide

  Return a machine-readable Fine Structure / FSe2 guide for AI agents. Call this at the start of an MCP session to learn app files, entities, safe edit workflows, validation, publishing, A/B testing, secrets, and platform rules.

• get_recommended_workflow

  Return the recommended MCP tool sequence for a task type. Use this before creating apps, editing files, seeding data, publishing, setting up A/B tests, restoring versions, or configuring secrets/integrations.

• get_job_status

  Poll the status of an async generation job. Use this after create_app or update_app to know when the job is done. Returns status ('running' or 'done'), progress events, and result summary when complete.

• get_app_status

  Get app overview: files, published state, URL, active jobs.

• get_app_links

  Return editor, preview, published path, subdomain, and custom-domain links plus whether each works for anonymous visitors, app users, or Studio users based on publish and auth settings.

• list_app_domains

  List an app's platform path, subdomain, and configured custom domain with verification, SSL, primary-domain, redirect, publish, and login-gating status.

• set_app_subdomain

  Set or clear the app platform subdomain - the '<subdomain>.<base domain>' host Fine Structure already serves the app on. Runs the same ownership, format, reserved-name and uniqueness checks as the Studio subdomain field because it calls…

• check_subdomain_available

  Check whether a platform subdomain can be claimed before calling set_app_subdomain. Returns available plus a status of available, invalid, reserved, taken, current, or empty, with the exact reason. Pass app_id (an app you own) to have…

• add_custom_domain

  Attach or replace the app custom domain through the same Fine Structure Studio custom-domain flow. Returns exact DNS verification and routing records for the user to configure at their DNS provider.

• get_domain_verification

  Return the exact DNS records and instructions required to verify and route the app custom domain.

• check_domain_verification

  Check Fine Structure custom-domain verification and SSL status for the configured custom domain, then save the latest status.

• set_primary_domain

  Set which app host should be treated as primary for generated links and custom-domain redirects.

• remove_custom_domain

  Remove the configured custom domain from the app and clean up the platform-side hostname registration when possible.

• get_domain_ssl_status

  Return SSL/certificate status and pending certificate validation DNS records for the app custom domain.

• configure_domain_redirects

  Configure custom-domain redirect policy: primary domain, optional www/root redirect, and HTTPS enforcement.

• list_apps

  List applications owned by the authenticated user, newest activity first. Returns up to `limit` apps per call plus the total count; page with `offset` when the account has more.

• get_app_files

  Get the file tree for an app with paths and byte sizes.

• read_app_file

  Read one source file from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.

• read_app_files

  Read several source files from an app's virtual filesystem. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.

• write_app_file

  Create or replace one file in an app's virtual filesystem. Creates a Saved Version before changing content. Paths and file model follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.

• patch_app_file

  Patch one file by replacing exact text. Safer than full overwrite for targeted edits. Creates a Saved Version before changing content. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.

• rename_app_file

  Rename or move one app source file atomically. Internally stages an upsert at new_path and a delete at old_path, validates the resulting app state, and creates a Saved Version before applying.

• get_app_detail

  Deep introspection of an app: entities, pages, settings, integrations, environment variables, and file structure. Use this to understand what an app contains before updating it.

• get_entities

  Get all entity (data model) schemas for an app, with record counts. Each entity has fields, types, and relationships.

• query_entity

  Query app data records for one entity with optional exact-match filters.

• seed_entity

  Compatibility tool for starter-record creation. Inserts directly for the authenticated app owner; by default it only seeds an empty entity (skip_if_not_empty).

• create_entity_records

  Create/insert records in one app entity. Executes directly for the authenticated app owner and returns the created record ids.

• update_entity_record

  Compatibility tool that updates one record by ID. Executes directly for the authenticated app owner.

• update_entity_records

  Update exact records. Select explicit record_ids or exact-match filters and provide shared changes, or provide per-record updates. Executes directly for the authenticated app owner; expected_count aborts the write on a mismatch.

• delete_entity_records

  Delete exact records by ID or exact-match filters. Executes directly for the authenticated app owner; pass expected_count as a safety check to abort on a mismatch.

• get_pages

  Get all pages in an app with their file paths and sizes.

• get_errors

  Get recent runtime errors for an app (last 20). Useful for diagnosing issues before updating.

• get_app_analytics

  Traffic analytics for an app's published site over a chosen window: total views, unique visitors, daily series, top pages, top referrer domains and device split.

• get_preview_url

  Return editor preview and published/public URLs for an app.

• list_saved_versions

  List restorable Saved Versions for an app, including versions created by MCP writes.

• create_change_set

  Create a staged file change set. Add multiple file changes, validate them as one app state, then apply atomically.

• add_file_change

  Stage one file upsert or delete inside a change set. Does not modify the live app until apply_change_set. Paths follow the Fine Structure app file API, documented at https://finestructure.ai/api/mcp/docs.

• validate_change_set

  Validate current app files plus staged change set files before applying.

• apply_change_set

  Apply a staged change set to the app. Creates a Saved Version before applying. Blocks on validation errors unless force=true.

• discard_change_set

  Discard a pending staged change set without changing app files.

• validate_app

  Run deterministic app checks: syntax, imports, routes/pages, entity schemas, missing entities, and recorded runtime errors.

• inspect_preview

  Return server-side preview context: URLs, persisted runtime/network errors, static clickable candidates, pages, and explicit live-browser availability.

• get_app_security_context

  Return safe security context for one owned app: owner id/email, Studio collaborators, generated-app members, route policies, entity policies, function policies, and recent security audit entries. Does not return secrets and does not grant…

• set_route_policy

  Create or update a server-owned route policy for a generated app route.

• set_function_policy

  Create or update the server-owned access policy of a backend function (functions/<name>.js). Without a policy a function answers only to the app owner's Studio token (401 for app visitors and webhooks). Recipes: anonymous checkout step or…

• invoke_function

  Run a backend function of an owned app exactly like the HTTP route and return its status and JSON. caller='owner' runs as the app owner; caller='anonymous' first evaluates the function policy as a public visitor and returns the 401/403…

• create_platform_request

  Open a request to the Fine Structure platform team: a bug, a feature request or a question about the platform itself (not about the user's app). Use it when something in the platform blocks you instead of working around it. Give a…

• get_platform_request

  One platform request with its full history: team replies, status changes (open | triaged | in_progress | needs_info | deployed | wont_fix) and what was deployed (commit, time). Pass since=<ISO timestamp> to get only the events after it.

• list_platform_requests

  Your account's platform requests, newest activity first. Call it at the start of a session with since=<the updated_date you last saw> to learn what changed: replies, needs_info questions to answer, deployments with their commit. Filters…

• reply_platform_request

  Add a reply or a finding to one of your platform requests without opening a new one, e.g. to answer a needs_info question (that reopens it).

• update_platform_request

  Platform team only: set the status of a request (open | triaged | in_progress | needs_info | deployed | wont_fix), attach the deployed commit and/or reply. deployed and needs_info mail the requester.

• set_entity_policy

  Replace server-side entity access policy. Optional action rules override read/write roles and can allow public create without public read, update, or delete. Omitting rules replaces any existing action rules with read/write role behavior.

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