pg-aiguide MCP Server: Setup for Claude, Cursor and Other Apps
Not the official PostgreSQL MCP server. This one is built by the community. PostgreSQL makes its own: MCP Toolbox for Databases →
Lets Claude, Cursor and other assistants look up PostgreSQL, TimescaleDB and PostGIS docs and follow Postgres best-practice guides.
pg-aiguide gives your assistant a searchable copy of the PostgreSQL manual (versions 14 to 18), the TimescaleDB docs and the PostGIS docs, plus guides for schema design, indexing and constraints. It is a hosted server from Timescale (TigerData), so there is nothing to install and no sign-in. Questions you ask are sent to that service. It only reads documentation and never touches your own database.
Good for
- Developers who want an assistant to design better Postgres schemas
- TimescaleDB users who need current docs and hypertable guidance
- Teams using PostGIS who want a spatial table design reference
Works in
14 should work
Tap an app to see how to set it up and any known problems.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Supports hosted MCP servers.
Install pg-aiguide MCP
Claude Code
- 1
Copy this prompt.
Add the pg-aiguide MCP server to Claude Code. Run this command: claude mcp add --transport http pg-aiguide https://mcp.tigerdata.com/docs Then check that it loaded and tell me if I need to sign in or restart.
- 2
Paste it into Claude Code. It shows the change and asks before running it.
Built from the package data we hold. Not yet tested by us.
Tools
Searches the PostgreSQL, TimescaleDB and PostGIS manuals
Looks up passages in the manual you pick: TimescaleDB and Tiger Cloud, a specific PostgreSQL version from 14 to 18, or a PostGIS version. You can search by meaning, by exact keywords, or a mix.
Try: “How do I create a partial index in PostgreSQL 17?”
Network ·
search_docsOpens a curated best-practice guide for Postgres and TimescaleDB tasks
Returns one of the hosted guides, such as designing Postgres tables, designing PostGIS tables or finding tables that should become hypertables. The assistant picks the guide that matches your request.
Try: “Design a Postgres schema for an IoT sensor database.”
Network ·
view_skill
Listed by the running server in our sandbox · 2026-11-02
Permissions
low risk · 2 things to watch
Low risk
The assistant can only read documentation through a hosted service, and your search text is sent to it.
What it can do
- Read your data
- Create and change things
- Delete things
- Read-only modeHow to turn it on
Watch out for
Your search text goes to a hosted service
Queries are sent to mcp.tigerdata.com, so leave out private table names or data from what you ask. github.com
It never connects to your database
The documented hosted setup is a URL only. It searches documentation and does not read your tables. github.com
Security advisories
No published security advisories as of Nov 1, 2026.
Technical details
| Turning on read-only | Both tools only read documentation. There is nothing to switch off. |
|---|---|
| Talks to | mcp.tigerdata.com receives your search queries |
| Sign-in and keys | No account or key. |
Questions
Is pg-aiguide official?
Not for PostgreSQL. It is made by Timescale (TigerData), the maker of TimescaleDB, so it is Timescale's own server for TimescaleDB docs. It also serves PostgreSQL and PostGIS manuals, but the PostgreSQL project did not make it.
What is the pg-aiguide MCP server URL?
https://mcp.tigerdata.com/docs. It needs no sign-in or key.
Is it free?
Yes. The README calls it a public MCP server and asks for no account or key. It does not state usage limits.
Does it connect to my database?
No. The documented setup is a hosted documentation search and guide server. It does not read your tables.
What is the difference between the MCP server and the skills?
The same guides are also available as agent skills with npx skills add timescale/pg-aiguide --skill postgres. The MCP server adds searchable manuals. The README suggests using both.
Which PostgreSQL versions does it cover?
Searches can target the PostgreSQL manual for versions 14 to 18, PostGIS 3.3 to 3.6, and the TimescaleDB docs.
Is there a Claude Code plugin?
Yes. The README documents claude plugin marketplace add timescale/pg-aiguide and claude plugin install pg@aiguide. The plugin uses skills directly and turns off the guide tool.
How do I add it to Cursor?
Use the Cursor tab in the install box above, or the one-click link there.
Information
updated Nov 2, 2026
- Publisher
- Community
- Endpoint
https://mcp.tigerdata.com/docs- Transport
- Streamable HTTP
- Auth
- None
- Version
- 0.6.1
- License
- Apache-2.0
- Last commit
- Oct 28, 2026
- Open issues
- 6
- Listed in
- Official MCP registry
Other PostgreSQL MCP servers
Sources
Docs, issue trackers and discussions this page is built from. Issues, quotes and findings above link to their own source.
Show all 2Hide
- github.com · github.com
- github.com · github.com