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Fiverr Pro
English
$
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I will fix claude code, supabase rls policy, auth, jwt, mcp and ai app backend errors
Joshua
About this gig
I fix Claude Code, Supabase and AI app backend errors involving auth, RLS, JWT, MCP, permissions, APIs and deployment.
WHAT I CAN OFFER:
- Supabase RLS fixes
- RLS policy debugging
- RLS policy creation
- Database permissions
- Supabase Auth fixes
- JWT auth fixes
- Clerk auth mismatch
- Storage 403 fixes
- Edge Function errors
- Edge Function deployment
- Supabase API fixes
- Database connection fixes
- Postgres policy fixes
- User permission fixes
- Login and signup fixes
- Session handling
- Token validation
- Auth callback
- Claude Code setup
- Claude Code integration
- Claude API fixes
- MCP server setup
- MCP tool debugging
- Missing MCP tools
- Backend API debugging
- AI app troubleshooting
- v0 backend fixes
- v0 deployment fixes
- AI code fixes
- AI RLS fixes
- Webhook troubleshooting
- Environment variables
- Production deployment
- Backend security checks
- Auth flow testing
- PostgreSQL database debugging
- PostgreSQL query errors
- PostgreSQL function
- PostgreSQL trigger
- PostgreSQL schema
- Database migration
- Supabase migration
I use logs, screenshots, repo access and error messages to find the failure point, apply targeted fixes and verify it. I explain the cause clearly.
Send your error or setup before ordering so I can confirm the scope.
Get to know Joshua
Joshua
AI Automation ! Backend Developer ! Claude, Supabase n8n, APIs AI Agents Systems
- FromNigeria
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English, French, German, Spanish
I’m a developer specializing in AI automation, troubleshooting and backend development. I work with Claude Code, Claude API, MCP, Supabase, PostgreSQL, RLS, JWT, n8n, Ollama, Docker, RAG, Qdrant, v0, Node.js, Next.js, GHL, Shopify, webhooks and AI agents.
I fix backend errors, database permissions, auth issues, deployment problems, broken workflows, missing MCP tools, AI agent connections and integration failures. I build Claude GHL systems, Shopify Claude integrations, Jarvis AI assistants, Hermes Agent setups, API endpoints, CRM pipelines and self hosted AI solutions. for growing brands.
Other Software Development Services I Offer
FAQ
Can you fix Supabase RLS policies that are not working?
Yes. I can inspect your RLS policies, database roles, JWT claims and queries to find why access is being blocked or exposed.
Can you fix Supabase authentication errors?
Yes. I can troubleshoot login, signup, sessions, JWT validation, callbacks, permissions and other Supabase Auth issues.
Can you fix Claude Code connection problems?
Yes. I can troubleshoot Claude Code configuration, backend connections, API access, environment variables and integration errors.
Can you fix missing MCP tools?
Yes. I can investigate MCP configuration, server connections, tool registration, permissions and connection errors.
Can you fix Storage 403 errors in Supabase?
Yes. I can check storage policies, authentication, bucket permissions and RLS-related access problems.
Can you fix an AI-generated RLS policy?
Yes. I can review AI-generated policies, identify incorrect logic or permissions and adjust them to match your application's access requirements.
Can you fix v0 apps that cannot connect to Supabase?
Yes. I can troubleshoot the frontend/backend connection, environment variables, authentication, API calls and Supabase configuration.
Do I need to give you my complete source code?
Not always. Depending on the issue, logs, screenshots, error messages or specific files may be enough. For deeper backend problems, repository access may be required.
Will you explain what caused the error?
Yes. I will explain the main cause and the changes made so you understand what was fixed instead of receiving a patch with no explanation.
Can you troubleshoot before I place an order?
Yes. Send me the error message, screenshot, logs and a short explanation of what you are trying to achieve. I can review the scope and recommend the appropriate package.
