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MCP troubleshooting debugging MCP tools JSON-RPC testing MCP

If you run into issues using the MCP server on your favorite AI service you can try running the tools yourself. For example:

# cloud-graphql-query
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"cloud-graphql-query","arguments":{"query":"{ apps { id subdomain name } }"}},"id":1}' | nhost mcp start


# graphql-query
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"graphql-query","arguments":{"query":"{ users { id } }","subdomain":"local","role":"admin"}},"id":1}' | nhost mcp start


# manage-graphql
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"manage-graphql","arguments":{"body":"{\"type\":\"export_metadata\",\"args\":{}}","subdomain":"local","path":"/v1/metadata"}},"id":1}' | nhost mcp start


# get-schema
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"get-schema","arguments":{"subdomain":"local","role":"admin","summary":true}},"id":1}' | nhost mcp start


# search
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"search","arguments":{"query":"how to enable magic links"}},"id":1}' | nhost mcp start


# Read resource
echo '{"jsonrpc":"2.0","method":"resources/read","params":{"uri":"schema://nhost-cloud"},"id":1}' | nhost mcp start