# \#supabase

**URL:** https://community.n8n.io/tag/supabase/150.md

[Latest](https://community.n8n.io/latest.md) · [Categories](https://community.n8n.io/categories.md) · [Tags](https://community.n8n.io/tags.md)

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## [N8n Cloud → Supabase Postgres: certificate validation fails with “self-signed certificate in certificate chain”](https://community.n8n.io/t/n8n-cloud-supabase-postgres-certificate-validation-fails-with-self-signed-certificate-in-certificate-chain/319237)

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**Author:** [@Marcos\_Lopez](https://community.n8n.io/u/Marcos_Lopez)\
**Replies:** 4\
**Last updated:** [October 12, 2026, 1:08pm UTC](https://community.n8n.io/t/n8n-cloud-supabase-postgres-certificate-validation-fails-with-self-signed-certificate-in-certificate-chain/319237 "2026-10-12T13:08:23Z")

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Describe the problem/error/question We are connecting from n8n Cloud to Supabase using a Postgres credential. With SSL set to Require and Ignore SSL Issues disabled, the credential connection test fails. We need to kee…

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## [Connecting to self hosted supabase's postgres db (docker)](https://community.n8n.io/t/connecting-to-self-hosted-supabases-postgres-db-docker/81361)

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**Author:** [@thifcosta](https://community.n8n.io/u/thifcosta)\
**Replies:** 6\
**Last updated:** [September 29, 2026, 3:10pm UTC](https://community.n8n.io/t/connecting-to-self-hosted-supabases-postgres-db-docker/81361 "2026-09-29T15:10:18Z")

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Took me a while to figure out how to access my Postgres db from self-hosted Supabase (for chat memory on n8n). I couldn’t find a direct solution for this topic, so I thought this might help others having the same issue. …

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## [Supabase Node Dynamic Table Fail](https://community.n8n.io/t/supabase-node-dynamic-table-fail/308278)

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**Author:** [@Chainmaster](https://community.n8n.io/u/Chainmaster)\
**Replies:** 7\
**Last updated:** [August 19, 2026, 6:35am UTC](https://community.n8n.io/t/supabase-node-dynamic-table-fail/308278 "2026-08-19T06:35:56Z")

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Supabase Node Dynamic Table/Field Dropdowns Fail With “No bridge acquired for this context. Call acquire() first.” I’m running into an issue with the native Supabase node in n8n Cloud where the Supabase credential works…

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## [Need help to store data in vector db (supabase)](https://community.n8n.io/t/need-help-to-store-data-in-vector-db-supabase/306436)

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**Author:** [@Akash22](https://community.n8n.io/u/Akash22)\
**Replies:** 6\
**Last updated:** [August 7, 2026, 12:06am UTC](https://community.n8n.io/t/need-help-to-store-data-in-vector-db-supabase/306436 "2026-08-07T00:06:37Z")

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Hello I am building the workflow to fetch the wordpress site content and it is going to store in vector db so later on I can use that data to feed AI agent. Describe the problem/error/question I chunk the data and it is…

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## [Improve S3 node to be full compliant with Supabase \[GOT CREATED\]](https://community.n8n.io/t/improve-s3-node-to-be-full-compliant-with-supabase-got-created/59904)

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**Author:** [@NiKoolass](https://community.n8n.io/u/NiKoolass)\
**Replies:** 1\
**Last updated:** [July 28, 2026, 1:57pm UTC](https://community.n8n.io/t/improve-s3-node-to-be-full-compliant-with-supabase-got-created/59904 "2026-07-28T13:57:56Z")

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The S3 node is great, but it would be greater with S3 support with Supabase ! :slight\_smile: Thanks for considering !

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## [Supabaze vectors uploading problems](https://community.n8n.io/t/supabaze-vectors-uploading-problems/299971)

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**Author:** [@Quent](https://community.n8n.io/u/Quent)\
**Replies:** 12\
**Last updated:** [June 19, 2026, 8:02am UTC](https://community.n8n.io/t/supabaze-vectors-uploading-problems/299971 "2026-06-19T08:02:33Z")

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I have a workflow for RAG, but its not working.After uploadint text in the supabaze db (workflow ends successfuly) I had ask llm about something uploaded in supabaze. But AI gave wrong answer (It gaven me something like:…

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## [YouTube content Audit with n8n and Gemini](https://community.n8n.io/t/youtube-content-audit-with-n8n-and-gemini/299565)

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**Author:** [@MateuszCholewa](https://community.n8n.io/u/MateuszCholewa)\
**Replies:** 2\
**Last updated:** [June 15, 2026, 7:38pm UTC](https://community.n8n.io/t/youtube-content-audit-with-n8n-and-gemini/299565 "2026-06-15T19:38:07Z")

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The Problem: 2-Hour Videos That Could Be a 2-Minute Read It’s hard to distinguish high-quality content from someone just rambling for hours. You waste time watching, hoping to get to the point. The Solution: Automated Y…

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## [Supabase Vector Store insert fails on custom kb\_chunks schema (source\_id null) in n8n 2.17.7](https://community.n8n.io/t/supabase-vector-store-insert-fails-on-custom-kb-chunks-schema-source-id-null-in-n8n-2-17-7/291815)

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**Author:** [@Divine\_Jude](https://community.n8n.io/u/Divine_Jude)\
**Replies:** 4\
**Last updated:** [April 27, 2026, 1:25pm UTC](https://community.n8n.io/t/supabase-vector-store-insert-fails-on-custom-kb-chunks-schema-source-id-null-in-n8n-2-17-7/291815 "2026-04-27T13:25:34Z")

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I’m trying to ingest policy docs into Supabase using @n8n/n8n-nodes-langchain.vectorStoreSupabase (Insert Documents mode), but inserts fail on my custom kb\_chunks table. My table schema expects top-level columns like: …

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## [Is the AI Agent node too slow for production RAG? Seeing 16s+ response times](https://community.n8n.io/t/is-the-ai-agent-node-too-slow-for-production-rag-seeing-16s-response-times/287840)

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**Author:** [@Rodolphe24](https://community.n8n.io/u/Rodolphe24)\
**Replies:** 6\
**Last updated:** [April 14, 2026, 5:49pm UTC](https://community.n8n.io/t/is-the-ai-agent-node-too-slow-for-production-rag-seeing-16s-response-times/287840 "2026-04-14T17:49:34Z")

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Describe the problem/error/question I’m running a production RAG chatbot using the standard AI Agent + Vector Store Retriever setup and consistently hitting 16-18s response times. After profiling, the bottleneck isn’t…

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## [Custom Schema in Supabase Vector Store node](https://community.n8n.io/t/custom-schema-in-supabase-vector-store-node/114747)

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**Author:** [@Kyle](https://community.n8n.io/u/Kyle)\
**Replies:** 3\
**Last updated:** [April 14, 2026, 2:08pm UTC](https://community.n8n.io/t/custom-schema-in-supabase-vector-store-node/114747 "2026-04-14T14:08:48Z")

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Supabase Vector Store node Category: Root Nodes The idea is: As of release 1.90.0, Supabase nodes can use a custom schema instead of the default “public” database schema. However, the Supabase vector nodes didn’t get thi…

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## [Supabase Vector Store node returns empty output (no error) while SQL query returns matches](https://community.n8n.io/t/supabase-vector-store-node-returns-empty-output-no-error-while-sql-query-returns-matches/267685)

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**Author:** [@Hanan\_Shihady](https://community.n8n.io/u/Hanan_Shihady)\
**Replies:** 8\
**Last updated:** [February 24, 2026, 5:19pm UTC](https://community.n8n.io/t/supabase-vector-store-node-returns-empty-output-no-error-while-sql-query-returns-matches/267685 "2026-02-24T17:19:19Z")

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Describe the problem/error/question :puzzle\_piece: Context I built an AI Agent in n8n that answers user questions using RAG (Retrieval Augmented Generation). The goal is to ensure the agent replies strictly based on a …

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## [Help: Can't connect n8n Postgres Account to my Supabase PostgreSQL database](https://community.n8n.io/t/help-cant-connect-n8n-postgres-account-to-my-supabase-postgresql-database/262765)

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**Author:** [@Sanders\_Rohling\_Immo](https://community.n8n.io/u/Sanders_Rohling_Immo)\
**Replies:** 23\
**Last updated:** [February 11, 2026, 8:11am UTC](https://community.n8n.io/t/help-cant-connect-n8n-postgres-account-to-my-supabase-postgresql-database/262765 "2026-02-11T08:11:03Z")

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Hi everyone, I’m currently trying to set up Postgres Chat Memory in n8n using a Supabase Postgres database, but I can’t get it to work and I’m stuck. The screenshots show what I’ve done so far. The credentials save, b…

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## [Other supabase schemas won't work in n8n](https://community.n8n.io/t/other-supabase-schemas-wont-work-in-n8n/261525)

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**Author:** [@Sandali\_Pavithra](https://community.n8n.io/u/Sandali_Pavithra)\
**Replies:** 1\
**Last updated:** [February 6, 2026, 8:08am UTC](https://community.n8n.io/t/other-supabase-schemas-wont-work-in-n8n/261525 "2026-02-06T08:08:34Z")

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Supabase Schemas won’t work other than public in n8n. I tried to access other schemas in supabase other than default public schema, however I can’t seem to fetch any of the tables from schemas other than public. There wa…

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## [Data ingestion into Supabase is extremely slow](https://community.n8n.io/t/data-ingestion-into-supabase-is-extremely-slow/216416)

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**Author:** [@Mirek](https://community.n8n.io/u/Mirek)\
**Replies:** 1\
**Last updated:** [January 20, 2026, 4:02pm UTC](https://community.n8n.io/t/data-ingestion-into-supabase-is-extremely-slow/216416 "2026-01-20T16:02:43Z")

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Hello everyone, I am running a self hosted instance of n8n. I have a worflow which accesses WooCommerce API, then narrows data for import and then is supposed to import data into Supabase. Everything runs just fine for …

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## [Problem with Supabase "Empty Array"](https://community.n8n.io/t/problem-with-supabase-empty-array/218428)

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**Author:** [@Malte\_LumaAI](https://community.n8n.io/u/Malte_LumaAI)\
**Replies:** 1\
**Last updated:** [January 20, 2026, 1:03am UTC](https://community.n8n.io/t/problem-with-supabase-empty-array/218428 "2026-01-20T01:03:19Z")

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Describe the problem/error/question I have two Supabase Vector Store nodes configured identically in “Retrieve Documents (As Tool for AI Agent)” mode, but one returns results while the other returns an empty array. Work…

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## [RAG supabase error searching for documents: 42883 operator does not exist: extensions.vector \<=\> extensions.vector null](https://community.n8n.io/t/rag-supabase-error-searching-for-documents-42883-operator-does-not-exist-extensions-vector-extensions-vector-null/242418)

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**Author:** [@Rafael\_Ramos](https://community.n8n.io/u/Rafael_Ramos)\
**Replies:** 4\
**Last updated:** [January 6, 2026, 2:05am UTC](https://community.n8n.io/t/rag-supabase-error-searching-for-documents-42883-operator-does-not-exist-extensions-vector-extensions-vector-null/242418 "2026-01-06T02:05:26Z")

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Describe the problem/error/question What is the error message (if any)? Hello everyone! I’m having trouble configuring the retrieval of information after the initial setup process has gone correctly. The database appea…

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## [Supabase table list empty](https://community.n8n.io/t/supabase-table-list-empty/245084)

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**Author:** [@Mika\_De\_Vries](https://community.n8n.io/u/Mika_De_Vries)\
**Replies:** 3\
**Last updated:** [January 5, 2026, 9:24pm UTC](https://community.n8n.io/t/supabase-table-list-empty/245084 "2026-01-05T21:24:20Z")

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Describe the problem/error/question Currently am i trying to connect supabase to n8n. I create a documents table in supabase using the guide and setup my credential for supabase with gave a succes. But i am not able to …

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## [Supabase Tool Bug or Set up Error?](https://community.n8n.io/t/supabase-tool-bug-or-set-up-error/237878)

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**Author:** [@Cristian\_Martanov](https://community.n8n.io/u/Cristian_Martanov)\
**Replies:** 2\
**Last updated:** [December 18, 2025, 9:23pm UTC](https://community.n8n.io/t/supabase-tool-bug-or-set-up-error/237878 "2025-12-18T21:23:50Z")

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The Supabase Tool is acting wrong in my opinion. My agent sends 2 outputs: -job\_title -localitate\_sau\_ruta. (city or route in EN) With these inputs the node would look into this table: It looks to return any row w…

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## [Automatic creation of table in supabase](https://community.n8n.io/t/automatic-creation-of-table-in-supabase/184925)

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**Author:** [@amitkatzzadara](https://community.n8n.io/u/amitkatzzadara)\
**Replies:** 3\
**Last updated:** [December 9, 2025, 3:28am UTC](https://community.n8n.io/t/automatic-creation-of-table-in-supabase/184925 "2025-12-09T03:28:48Z")

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need to allow to create table in supabase based on the fields passed to node It would help if there was a node for: My use case: Any resources to support this? Are you willing to work on this?

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## [Supabase Vector Store queries the wrong table despite correct configuration](https://community.n8n.io/t/supabase-vector-store-queries-the-wrong-table-despite-correct-configuration/157453)

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**Author:** [@fengelh](https://community.n8n.io/u/fengelh)\
**Replies:** 3\
**Last updated:** [December 5, 2025, 4:41pm UTC](https://community.n8n.io/t/supabase-vector-store-queries-the-wrong-table-despite-correct-configuration/157453 "2025-12-05T16:41:08Z")

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PROBLEM: Supabase Vector Store queries the wrong despite correct configuration. The Vector store connects correctly to my Supabase project, and I can chose from the projects 3x tables. I chose the table ‘hkex\_ipo\_listing…

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## [LM studio embedding models](https://community.n8n.io/t/lm-studio-embedding-models/230245)

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**Author:** [@Lundrim\_Azemi](https://community.n8n.io/u/Lundrim_Azemi)\
**Replies:** 1\
**Last updated:** [December 3, 2025, 8:33pm UTC](https://community.n8n.io/t/lm-studio-embedding-models/230245 "2025-12-03T20:33:11Z")

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Hey guys currently I am trying to use an embedding model in supabase vector store, but not working i am trying to run the embedding model in LM studio which it works but as soon as I run in n8n all i get in return is{ “…

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## [Error Fetching Options From Supabase](https://community.n8n.io/t/error-fetching-options-from-supabase/225778)

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**Author:** [@J0ngA](https://community.n8n.io/u/J0ngA)\
**Replies:** 1\
**Last updated:** [November 25, 2025, 4:03pm UTC](https://community.n8n.io/t/error-fetching-options-from-supabase/225778 "2025-11-25T16:03:57Z")

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Hey, I am getting this error in all of my Supabase nodes: “Error fetching options from Supabase” I have checked the credentials and I am using the service\_role\_key from Supabase which should be correct. My n8n i…

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## [“Permission Denied for Table agency” Despite Correct Credentials in Supabase](https://community.n8n.io/t/permission-denied-for-table-agency-despite-correct-credentials-in-supabase/224671)

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**Author:** [@Jocarl\_Basco1](https://community.n8n.io/u/Jocarl_Basco1)\
**Replies:** 7\
**Last updated:** [November 21, 2025, 2:57pm UTC](https://community.n8n.io/t/permission-denied-for-table-agency-despite-correct-credentials-in-supabase/224671 "2025-11-21T14:57:59Z")

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Hi, I need help resolving a persistent Supabase authorization issue. I’m using the correct API credentials and keys, but every request to the agency or any other table returns: Authorization failed - please check your …

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## [AI Agent only receive first row from Get Many tool from Supabase](https://community.n8n.io/t/ai-agent-only-receive-first-row-from-get-many-tool-from-supabase/221836)

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**Author:** [@NazZ](https://community.n8n.io/u/NazZ)\
**Replies:** 3\
**Last updated:** [November 16, 2025, 2:44am UTC](https://community.n8n.io/t/ai-agent-only-receive-first-row-from-get-many-tool-from-supabase/221836 "2025-11-16T02:44:43Z")

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Describe the problem/error/question When I use an AI agent to retreive all the information from the tool of Supabase (Get Many) can only read the first row and not all the information Please share your workflow Share th…

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## [Problem using multiple Supabase Vector Stores in one n8n project — always retrieves data from the first table](https://community.n8n.io/t/problem-using-multiple-supabase-vector-stores-in-one-n8n-project-always-retrieves-data-from-the-first-table/212730)

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**Author:** [@oduvanekb](https://community.n8n.io/u/oduvanekb)\
**Replies:** 0\
**Last updated:** [October 28, 2025, 6:59am UTC](https://community.n8n.io/t/problem-using-multiple-supabase-vector-stores-in-one-n8n-project-always-retrieves-data-from-the-first-table/212730 "2025-10-28T06:59:34Z")

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Hi everyone, I’m building an n8n workflow that uses two Supabase Vector Store tools connected to the same Supabase project — one for experts and another for websites. Each table (personal\_pr\_experts and personal\_pr\_sit…

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## [How to check if my website appears in Google search results for specific keywords (in bulk)?](https://community.n8n.io/t/how-to-check-if-my-website-appears-in-google-search-results-for-specific-keywords-in-bulk/203819)

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**Author:** [@Mohamed\_Necib2](https://community.n8n.io/u/Mohamed_Necib2)\
**Replies:** 1\
**Last updated:** [October 16, 2025, 3:00am UTC](https://community.n8n.io/t/how-to-check-if-my-website-appears-in-google-search-results-for-specific-keywords-in-bulk/203819 "2025-10-16T03:00:09Z")

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Hi everyone :waving\_hand: I’m using n8n locally, and I’d like to build a workflow to check if a specific website appears on Google for a given keyword. For example: Keyword: “piano class new york” My website: exa…

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## [Supabase Vector Store Issue!](https://community.n8n.io/t/supabase-vector-store-issue/206463)

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**Author:** [@stefan\_p](https://community.n8n.io/u/stefan_p)\
**Replies:** 0\
**Last updated:** [October 15, 2025, 9:37pm UTC](https://community.n8n.io/t/supabase-vector-store-issue/206463 "2025-10-15T21:37:37Z")

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Hey there! I am building a simple RAG Pipeline to pull files from Google Drive to a Supabase Vector Store. Seems simple, right? But now I keep hitting the following roadblock – Error inserting: null value in column “d…

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## [AI Agent with Postgres Chat Memory (Supabase) always replies the same not reading memory](https://community.n8n.io/t/ai-agent-with-postgres-chat-memory-supabase-always-replies-the-same-not-reading-memory/149420)

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**Author:** [@nsanovdias06](https://community.n8n.io/u/nsanovdias06)\
**Replies:** 13\
**Last updated:** [October 14, 2025, 7:14am UTC](https://community.n8n.io/t/ai-agent-with-postgres-chat-memory-supabase-always-replies-the-same-not-reading-memory/149420 "2025-10-14T07:14:19Z")

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Hello, everyone! I’m facing an issue while building an LLM workflow in n8n. Context: I am using: Supabase (cloud Postgres) to store chat memory via Postgres Chat Memory. Postgres Tool. AI Agent (LangChain) for handl…

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## [Supabase + google sheet Maximum call stack size exceeded](https://community.n8n.io/t/supabase-google-sheet-maximum-call-stack-size-exceeded/203815)

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**Author:** [@Mohamed\_Necib2](https://community.n8n.io/u/Mohamed_Necib2)\
**Replies:** 2\
**Last updated:** [October 13, 2025, 10:10am UTC](https://community.n8n.io/t/supabase-google-sheet-maximum-call-stack-size-exceeded/203815 "2025-10-13T10:10:06Z")

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Hello everyone, I’m using n8n on localhost. I have a Google Sheet with approximately 220,000 rows. When I try to run my workflow and process all the rows, I get this error message: Maximum call stack size exceeded …

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## [Supabase Insert Issues](https://community.n8n.io/t/supabase-insert-issues/200550)

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**Author:** [@AstraDave](https://community.n8n.io/u/AstraDave)\
**Replies:** 2\
**Last updated:** [October 7, 2025, 11:27am UTC](https://community.n8n.io/t/supabase-insert-issues/200550 "2025-10-07T11:27:35Z")

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Describe the problem/error/question I’m trialling n8n so treat me as a beginner, but I wanted to just start with a simple workflow. Webhook =\> OpenAI =\> Update Supabase based on Id key passed to web hook. Well I though…

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