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PostgreSQL Docs MCP

PostgreSQL Docs MCP

by sav-maya
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault

No arguments

Instructions

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Capabilities

Features and capabilities supported by this server

Protocol revision2025-11-25

CapabilityDetails
tools
{
  "listChanged": false
}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}

Tools

Functions exposed to the LLM to take actions

NameDescription
list_versionsA

List every PostgreSQL documentation version available online.

Includes current supported releases, prereleases, the development snapshot, and archived unsupported releases.

search_docsA

Search the official PostgreSQL documentation within one version.

Args: query: Search terms, such as "logical replication conflicts". version: "current", "devel", or a published version such as "18" or "9.6". limit: Number of results to return, from 1 to 20.

get_doc_pageA

Read one page from the official PostgreSQL documentation as Markdown.

Use the page slug returned by search_docs. Long pages can be continued by calling this tool again with the next offset.

Args: page: Page slug, such as "sql-select" or "functions-json.html". version: "current", "devel", or a published version such as "18" or "9.6". offset: Character offset at which to start reading. max_chars: Maximum characters to return, from 1,000 to 50,000.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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TDQS

A4.2/5.0

Scored across 3 tools

Disambiguation5/5

Each tool has a clearly distinct purpose: search_docs finds pages, get_doc_page reads a specific page, and list_versions enumerates available versions. There is no overlap, and the descriptions explicitly link them (get_doc_page uses slugs returned by search_docs).

Naming Consistency5/5

All three names follow a consistent verb_noun snake_case pattern: search_docs, get_doc_page, list_versions. The convention is predictable and readable.

Tool Count5/5

Three tools is exactly the right scope for a documentation search server: discover, retrieve, and enumerate versions. Each tool earns its place with no redundancy.

Completeness4/5

The surface covers the core lifecycle of finding and reading docs, including version selection and pagination via offset/max_chars. Minor gaps like no table-of-contents browsing or in-page search exist, but agents can work around them using search_docs.

Resources