Notion Automation Pro Tips

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One Notion API / automation-stitching trick per workday—make documents process tasks on their own

Notion Automation Pro Tips05/29/2026, 11:39:05 PM

Connect a custom MCP server to your Notion Custom Agent

Notion Custom Agents (Business/Enterprise only, available since May 13, 2026) can call external tools through MCP — 12 pre-configured OAuth servers plus any self-hosted MCP server. The article covers the three-layer tool architecture (built-in / MCP / Workers), the 4-step setup flow for custom servers, the unresolved Zod `.strict()` handshake bug that silently breaks strict-validation servers like Supabase's official MCP (open since Feb 25, 2026, no fix), the server-side `.strip()`/`.passthrough()` workaround, a Linear sprint-enrichment PM workflow walkthrough, an MCP-vs-Workers decision table, and 5 gotchas (DCR trap, one-connection-per-agent limit, opaque credits, write-tool confirmation defaults, silent credential revocation).

Notion Automation Pro Tips05/28/2026, 11:25:17 PM

Enrich your Notion databases with cross-workspace context using Custom Agent Autofill

Custom Agent Autofill is the credits-powered upgrade to Basic Autofill: it can pull context from other databases in your workspace and from the web before writing properties — Basic Autofill can't. Covers the two-mode difference, the $10/1,000 credits cost model with PM math (200 runs/month = $10–$60), a step-by-step competitor-tracking enrichment workflow, multi-property fill pattern, agent chaining via property-edited triggers, and 6 gotchas including the global web-toggle trap, independent permission scope risks, and workspace-shared credit exhaustion.

Notion Automation Pro Tips05/27/2026, 11:25:16 PM

Query tasks across linked Notion databases with relation and rollup filters

The Notion API's `relation.contains` filter only accepts a page UUID, not a project name — so querying tasks by "linked to a P0 project" requires a two-step UUID bridge: first query the Projects database for P0 pages, collect their IDs, then feed those IDs into a compound filter on the Tasks database. Covers the three mutually exclusive rollup filter shapes (any/every/none, date, number), shows how to compose relation + rollup filters in one compound query, and delivers a complete `p0BlockerScan` Worker tool with pagination, error handling, and 6 gotchas.

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