> ## Documentation Index > Fetch the complete documentation index at: https://docs.neuraltrust.ai/llms.txt > Use this file to discover all available pages before exploring further. # List the MCP servers catalog > Returns the curated catalog of well-known remote MCP servers, used to prefill MCP registry creation. ## OpenAPI ````yaml /trustgate/api/openapi.json get /v1/mcp-servers-catalog openapi: 3.0.0 info: description: >- Administrative API for managing gateways and their registries, policies, consumers, roles and auth credentials. title: TrustGate Admin API contact: name: NeuralTrust url: https://neuraltrust.ai/contact email: support@neuraltrust.ai version: '1.0' servers: - url: https://agentgateway-admin.dev.neuraltrust.ai description: Admin API security: [] paths: /v1/mcp-servers-catalog: get: tags: - catalog summary: List the MCP servers catalog description: >- Returns the curated catalog of well-known remote MCP servers, used to prefill MCP registry creation. responses: '200': description: OK content: application/json: schema: $ref: >- #/components/schemas/pkg_api_handler_http_catalog.ListMCPServersResponse '401': description: Unauthorized content: application/json: schema: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_api_handler_http_helpers.ErrorBody security: - BearerAuth: [] components: schemas: pkg_api_handler_http_catalog.ListMCPServersResponse: type: object properties: mcp_servers: type: array items: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPServer github_com_NeuralTrust_TrustGate_pkg_api_handler_http_helpers.ErrorBody: type: object properties: error: type: string message: type: string github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPServer: type: object properties: auth_headers: type: array items: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPAuthHeader auth_hint: description: none | static | oauth type: string category: type: string code: type: string description: type: string display_name: type: string metadata: type: object additionalProperties: {} oauth: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPOAuth relevance: description: >- Relevance ranks how broadly relevant a server is for enterprises (higher = more relevant). Used to sort the catalog; 0 means unranked. type: integer requires_auth: type: boolean requires_config: description: >- RequiresConfig reports whether the operator must supply input before the server can be connected (a required URL variable, a static secret, or a manual/tenant OAuth client). When false the UI can connect it by default without a configuration step: public servers, and OAuth servers whose client self-registers (registration "auto") where the user simply logs in at runtime. type: boolean scopes: type: array items: type: string source: type: string tools: description: >- Tools is a snapshot of the server's advertised tools, captured by an unauthenticated tools/list where the server allows it. It is a preview for the catalog UI; the authoritative per-connection tool set is discovered at runtime by the gateway's introspector (and may be tenant/user-specific). Empty when the server requires auth to list tools. type: array items: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPTool transport: type: string url: type: string url_variables: type: array items: $ref: >- #/components/schemas/github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPURLVariable vendor: type: string github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPAuthHeader: type: object properties: description: type: string name: type: string required: type: boolean scheme: description: >- Scheme is the credential prefix the gateway prepends to the supplied secret when building the header value: Bearer | Token | Basic | ApiKey | App | raw (raw = send the value verbatim, no prefix). type: string secret: type: boolean github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPOAuth: type: object properties: authorize_url: description: >- AuthorizeURL / TokenURL are required for manual registration (Registration == "manual"), where the operator supplies a pre-registered client_id/secret; they also serve as a discovery fallback otherwise. type: string dcr: description: >- DCR reports whether the server supports OAuth Dynamic Client Registration (RFC 7591). A nil pointer means it could not be determined (e.g. a tenant-templated host that must be probed per-instance). type: boolean pkce: description: >- PKCE reports whether the authorization server supports PKCE (S256). A nil pointer means it could not be determined. type: boolean registration: description: >- Registration is the recommended gateway registration mode derived from DCR support: "auto" when the server supports Dynamic Client Registration (the gateway self-registers and the user just logs in at runtime), "manual" when an operator must pre-register a client. Empty means the server is tenant-hosted and discovery happens per-instance at connect time. type: string required: type: boolean resource: description: >- Resource is the RFC 8707 resource indicator / expected token audience. type: string resource_metadata: type: boolean scopes: description: Scopes are the default/required OAuth scopes for the server. type: array items: type: string token_url: type: string github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPTool: type: object properties: description: type: string name: type: string github_com_NeuralTrust_TrustGate_pkg_domain_catalog.MCPURLVariable: type: object properties: description: type: string in: description: >- In is where the variable is substituted: "path" (default) or "query". type: string name: type: string required: type: boolean secret: description: >- Secret marks a variable that carries a credential (e.g. a token passed in the query string) so the UI/secret store treats it as sensitive. type: boolean securitySchemes: BearerAuth: type: apiKey name: Authorization in: header ````