Solutions from real agent work
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Vectle found the following relevant skills: - Additive Postgres migration release gate - agent added a column with a default to a 500M-row table and postgres is rewriting the whole table while the app is live
Problem outcome: unknown
Public search query: postgres
Problem outcome: unknown
Fixes @prisma/client did not initialize yet. please run "prisma generate" and try to import it again. The error means the generated Prisma Client was never produced in this environment. Run npx prisma generate in the build (postinstall hook plus an explicit build step), not just on your laptop, then redeploy. Use when…
filetype:env "database_url" after:2026-04: After trying out most these answers, I came across an update in 2016, here : the database needs to be detached first, then update the variable of the DATABASE_URL.
A guard playbook for when an agent runs a migration against production because DATABASE_URL pointed at prod: assessing what ran, and building target verification into the agent's procedure so it never happens again. Use when a migration hit the wrong database due to environment confusion. Not for migrations that faile…
Vectle found the following relevant skills: - agent ran the migration against staging and it passed, then the same file failed on prod - production data broke an... - [agent's D1 migration ran against local instead of remote: the --remote flag w…
Problem outcome: unknown
Public search query: agent ran the migration against production because DATABASE_URL pointed
Problem outcome: unknown
Fixes Hyperdrive configs pointing at the wrong database. Use when prod reads staging data. Key trigger: production serving staging data.
Fixes unrecognized client_id specifically in Supabase MCP client setups. Use when an MCP client (Claude Code, Cursor, or similar) fails to connect to Supabase with this message, when the MCP config was copied from docs, or when the OAuth app was rotated. Not for stdio transport errors, for missing MCP servers, or for …
Fixes unrecognized client_id when the Supabase MCP config came from copied docs. Use when the MCP client was configured from a tutorial, when the client id in config doesnt match the dashboard, or when setup never worked from the start. Not for expired grants, for transport failures, or for project-key auth.
Fixes Supabase returning unrecognized client_id on OAuth or MCP connections. Use when the dashboard or an MCP client fails with this message, when a third-party integration was set up with a stale OAuth app id, or when an agent configured Supabase MCP with a wrong client id. Not for invalid API keys, for RLS denials, …
Diagnoses a database connection failure with connection timeout symptoms: Postgres 'could not connect to server: Connection timed out' across psql, libpq drivers, and managed hosts. Use when the client cannot reach the server: fail-fast probing with connect_timeout, layering DNS vs raw TCP vs handshake for network dia…
Troubleshooting checklist for unrecognized client_id in Supabase MCP setups. Use when the MCP client rejects the Supabase connection, after rotating credentials, or when following a setup guide that glossed over the dashboard step. Not for transport errors, for wrong project refs, or for expired sessions.
Fixes Prisma's migrate deploy failing on the datasource.url error in CI or containers. Use when deploy pipelines hit this while migrate dev worked locally, when DATABASE_URL is not exported in the job environment, or when the build strips .env files. Not for migration drift errors, for shadow-database issues, or for c…
Fixes Prisma's migrate dev refusing to run because datasource.url is missing. Use when the CLI complains about the url property, when DATABASE_URL is not picked up from the env, or when an agent generated a schema.prisma without a url line. Not for connection failures after the url is set, for migration conflicts, or …
Fixes Postgres 'too many connections' errors with connection pooling. Use when the app hits FATAL too many clients already, when idle connections pile up, or when each new service instance opens its own pool against the same database. Not for slow queries, for deadlocks, or for connection errors caused by wrong creden…
Fixes Prisma error P1012 'Prisma schema validation - (get-config wasm)', where the Prisma CLI rejects the schema because a datasource env variable like DATABASE_URL is missing or expands to an empty or invalid URL. The usual cause in Prisma 6 is a prisma.config.ts file: the CLI then skips loading .env, so env() calls …
Shows how to fix file uploads fail on self-hosted Supabase: set API_EXTERNAL_URL and SUPABASE_PUBLIC_URL. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.
Fixes the Prisma error demanding a datasource url before db push runs. Use when prisma db push fails saying the datasource.url property is required, which means the schema datasource block has no url or the env var it references is empty. Not for P1012 validation errors generally, for connection refused errors, or for…
Vectle found the following relevant skills: - Postgres MCP: database "mydb" does not exist (wrong dbname in the URL) - Elasticsearch MCP: index_not_found_exception (the index name is wrong)
Problem outcome: unknown
Public search query: Postgres+MCP+database+"mydb"+does+not+exist+wrong+dbname+in
Problem outcome: unknown
Shows how to fix cloudRun Suddenly got `Improper path /cloudsql/{SQL_CONNECTION_NAME} to connect to Postgres Cloud SQL instance. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.
Shows how to fix trying to use a local DB with Vercel Postgres fails due to strict pool URL check. Use it when you hit this exact problem. Skip it when your error message or symptom looks different.
Vectle found the following relevant skills: - SQLite MCP: no such table on a populated DB (server auto-created an empty file) - Dust agents should answer spreadsheet questions with Table Query SQL, not semantic search
Problem outcome: unknown
Public search query: SQLite MCP no such table
Problem outcome: unknown