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OpenAI's ChatGPT plugins team shares five MCP server design tips

The ChatGPT plugins team advises against hiding tools behind a discovery meta tool, warns that bloated tool descriptions get truncated, and recommends accurate read-only/destructive annotations plus server instructions.

Pamela Fox

@pamelafoxArchived 5 days agoOriginally posted 2026.10.23

OpenAI's ChatGPT plugins team shares five MCP server design tips (image 1 of 4)

OpenAI's ChatGPT plugins team shares five MCP server design tips (image 2 of 4)

OpenAI's ChatGPT plugins team shares five MCP server design tips (image 3 of 4)

OpenAI's ChatGPT plugins team shares five MCP server design tips (image 4 of 4)

Pamela Fox @pamelafoxOriginally posted 2026.10.23

Open original on X

Helpful tips from the @OpenAI ChatGPT plug-ins team on MCP server design: 1) don’t stress so much about exposing too many tools, agents can handle them 2) don’t hide tools behind a discovery meta tool 3) don’t bloat tool descriptions (ChatGPT will truncate!) 4) do add read-only/destructive annotations (accurately) 5) use server instructions (only half do right now)

x.com/pamelafox/status/2113373434147471397Archived 2026.10.23 11:33