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mcp/harbor
Verified official

Poseidon MCP

v1.4.0

app.askposeidon/poseidon

Winning Meta ads with Meta's EU reach, scripts and A/B tests. Find a competitor, see what changed.

transport:streamable-http tools:14
Website

Target client

run in your project directory 

claude mcp add --transport http poseidon https://api.askposeidon.app/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_winners Read-only

search winners

get_ad Read-only

get ad

find_brand Read-only

find brand

brand_changes

brand changes

watchlist_edit

watchlist edit

get_facts Read-only

get facts

watchlist_webhook

watchlist webhook

watchlist

watchlist

watchlist_changes

watchlist changes

get_brand Read-only

get brand

search_experiments Read-only

search experiments

get_weights Read-only

get weights

filters

filters

account

account

All 14 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.