MCP tool
retrieve_context
START HERE for a question about PostgreSQL.
The retrieve_context tool is provided by pg.ddx.io: the PostgreSQL community's memory. Install that server in your AI client and the assistant can call it directly.
Servers exposing retrieve_context
From the publisher:START HERE for a question about PostgreSQL. Searches every mailing list (inbox narrows it) with hybrid keyword + semantic ranking and returns cited passages that fit token_budget (default 4000, max 32000): one passage per thread, each the author's own words (quotes, signature and patch removed, cut at ~1200 chars) with url, inbox, message_id, from and date. found=false with a reason when the archi
Install pg.ddx.io: the PostgreSQL community's memory →Parameter Type Description authorstring Only messages this person sent: a name, an e-mail address or hash:<8 hex> (a person page). Resolved to every address they post from; an ambiguous name returns the candidates to choose from. budget_msnumber Time budget in ms for the keyword search (100-15000; default 4500, the engine's own limits). complete=false in the reply when it ran out or a total is a lower bound. inboxstring Lists to search: omit (or "all") for every list, the default; one name such as pgsql-bugs; or several, comma-separated ("pgsql-hackers,pgsql-bugs"). Names from list_inboxes. Aliases: list, inbox_name. question*string The question, in plain language. sincestring Only messages sent on or after this date (UTC): YYYY, YYYY-MM, YYYY-MM-DD, an ISO date-time, or 2w / 6m / 1y ago. token_budgetnumber Maximum tokens of evidence to return (default 4000, max 32000). untilstring Only messages sent before this date (exclusive), same forms as since. With author: what that person had said by then.
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