> ## Documentation Index > Fetch the complete documentation index at: https://docs.sapt.ai/llms.txt > Use this file to discover all available pages before exploring further. # Update agent > Update an existing agent definition ## OpenAPI ````yaml https://api.sapt.ai/openapi.json put /projects/{projectId}/agents/{agentId} openapi: 3.1.0 info: title: Sapt Platform API version: 1.0.0 description: >- API for Sapt platform - project management, authentication, and email services servers: - url: https://api.sapt.ai description: Production - url: http://localhost:8787 description: Local development security: [] tags: - name: Accounts description: >- The social accounts connected to a project. Start here — the `id` of an account is the `socialAccountId` that every posting, scheduling and analytics call takes. - name: Actions - name: Ads - name: Agents - name: Analytics description: >- Account- and post-level organic performance for connected Instagram and Facebook accounts. - name: Assets - name: Auth - name: CMS - name: CRM - name: Calendar - name: Comments description: >- Read, reply to, hide and delete comments on published Instagram and Facebook posts. - name: Content Calendar description: >- Create, schedule, update and publish organic posts, and stage the media they carry. Publishing a post whose status is `failed` retries it. - name: Contracts - name: Conversions description: >- Meta server-side Conversions API (CAPI): discover pixels, connect a pixel + CAPI token, and send deduped server-side conversions. - name: Dashboard Sidebar - name: Emails - name: Engagement description: >- Act as the Page or account on published posts: comment, like, unlike, and delete a published post. - name: Geo - name: Google Ads - name: Google Analytics - name: Google Business - name: Integrations description: >- Connect third-party providers (Meta, Gmail, Google Business Profile, …). List providers, mint OAuth connect links, and poll connection status. - name: Invitations - name: Memory - name: OAuth Clients - name: Project Roles - name: Project Templates - name: Projects - name: Schedules - name: Service Accounts - name: Socials description: >- Organic social: the connected accounts, the content calendar, media staging, publishing, comments and engagement across Instagram, Facebook, TikTok, YouTube and Google Business Profile. - name: Team - name: Users - name: Web Analytics - name: Workflows paths: /projects/{projectId}/agents/{agentId}: put: tags: - Agents summary: Update agent description: Update an existing agent definition operationId: updateAgent parameters: - schema: type: string format: uuid example: 123e4567-e89b-12d3-a456-426614174000 required: true name: projectId in: path - schema: type: string format: uuid example: 123e4567-e89b-12d3-a456-426614174001 required: true name: agentId in: path requestBody: content: application/json: schema: type: object properties: name: type: string description: type: - string - 'null' systemPrompt: type: string memoryFiles: type: array items: type: string toolCategories: type: array items: type: string enum: - memory - agents - ads - analytics - socials - cms - email - calendar - support - serp - gbp - feedback - agent_schedules - web - onboarding - navigation - interaction mcpServers: type: - array - 'null' items: type: object properties: name: type: string description: >- Unique name within the agent definition, used as tool name prefix url: type: string format: uri description: MCP server endpoint (Streamable HTTP) headers: type: object additionalProperties: type: string description: Static headers, e.g. Authorization required: - name - url maxSteps: type: integer metadata: type: object additionalProperties: {} responses: '200': description: Updated agent definition content: application/json: schema: type: object properties: agent: type: object properties: id: type: string projectId: type: string name: type: string description: type: - string - 'null' builtIn: type: boolean systemPrompt: type: string memoryFiles: type: array items: type: string toolCategories: type: array items: type: string enum: - memory - agents - ads - analytics - socials - cms - email - calendar - support - serp - gbp - feedback - agent_schedules - web - onboarding - navigation - interaction mcpServers: type: - array - 'null' items: type: object properties: name: type: string description: >- Unique name within the agent definition, used as tool name prefix url: type: string format: uri description: MCP server endpoint (Streamable HTTP) headers: type: object additionalProperties: type: string description: Static headers, e.g. Authorization required: - name - url access: type: string enum: - project_member - specific_roles - public allowedRoles: type: - array - 'null' items: type: string maxSteps: type: integer model: type: - string - 'null' metadata: type: object additionalProperties: {} createdAt: type: string format: date-time updatedAt: type: string format: date-time required: - id - projectId - name - description - builtIn - systemPrompt - memoryFiles - toolCategories - mcpServers - access - allowedRoles - maxSteps - model - metadata - createdAt - updatedAt required: - agent '400': description: Bad request content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message '401': description: Unauthorized content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message '403': description: Forbidden content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message '404': description: Not found content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message security: - bearerAuth: [] components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT description: >- JWT token obtained from /api/auth/token endpoint. Token is verified using JWKS and must include a valid user identifier. ````