How do I install groundeffect?

Its own README gives this command: groundeffect account add. Run it where your MCP client can launch the server, and check the README for any settings it asks for.

What does groundeffect connect to, and what does it need?

It reaches gmail, googlecalendar, groundeffect and openrouter. The credentials we found in its source are GE_TOKEN_ENCRYPTION_KEY, GROUNDEFFECT_GOOGLE_CLIENT_SECRET and OPENROUTER_API_KEY.

Which AI clients can use groundeffect?

Its own description mentions Claude Code. That is a mention in its description, not a test we ran.

Is groundeffect official and is it maintained?

We found nothing naming it as a vendor’s official server. Its repository has 15 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-02-07.

What licence does groundeffect use?

The repository metadata we read does not state a licence, so check the repository before you rely on it.

InfratoApp / Resources / MCP servers / groundeffect

groundeffect

groundeffect is an MCP server, listed under communication. It reaches gmail, googlecalendar, groundeffect and openrouter. It needs GE_TOKEN_ENCRYPTION_KEY, GROUNDEFFECT_GOOGLE_CLIENT_SECRET and OPENROUTER_API_KEY to authenticate. Its repository has 15 GitHub stars; we last read it on 2026-10-22.

Hyper-fast, local Gmail and Google Calendar indexing for Claude Code.

Install

Read from groundeffect’s own README, close to verbatim -- not written by us, and not guessed.

groundeffect account add

View in groundeffect’s own README ↗

What it reaches, and what it needs

Reaches

gmail, googlecalendar, groundeffect, openrouter

Credential

GE_TOKEN_ENCRYPTION_KEY, GROUNDEFFECT_GOOGLE_CLIENT_SECRET, OPENROUTER_API_KEY

What it connects to

Supported in

Claude Code

Unverified means a mention in the server’s own description, not a citation. A wrong claim here costs nothing to correct and nothing to trust yet.

Maintenance

Stars

State

listed

Licence

—

From the repository

Hyper-fast, local Gmail and Google Calendar indexing for Claude Code.

View on GitHub ↗2026-10-22

groundeffect compared with similar servers

groundeffect compared with the closest alternatives, by services reached, credentials, stars, last update and licence
Server	Reaches	Needs	Stars	Last update	Licence
groundeffect (this page)	gmail, googlecalendar, groundeffect, openrouter	GE_TOKEN_ENCRYPTION_KEY, GROUNDEFFECT_GOOGLE_CLIENT_SECRET, OPENROUTER_API_KEY	15	2026-02-07	—
google-workspace-mcp	gmail, google(1 shared)	GOOGLE_CLIENT_SECRET	192	2026-10-21	Apache-2.0
mail-mcp	gmail, mail(1 shared)	MAIL_OAUTH2_DEFAULT_CLIENT_SECRET, MAIL_OAUTH2_DEFAULT_REFRESH_TOKEN, MAIL_OAUTH2_WORK_CLIENT_SECRET, MAIL_OAUTH2_WORK_REFRESH_TOKEN	108	2026-10-23	MIT
mcp-server-email	gmail(1 shared)	None listed	81	2025-04-27	MIT
mcp-headless-gmail	gmail(1 shared)	None listed	55	2025-05-24	MIT
mail-use	gmail(1 shared)	None listed	47	2026-10-13	MIT

Ranked by services in common with groundeffect, then by stars. Figures are from each repository when we last read it.

Common questions about groundeffect

What does groundeffect do?: Hyper-fast, local Gmail and Google Calendar indexing for Claude Code.
How do I install groundeffect?: Its own README gives this command: groundeffect account add. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
What does groundeffect connect to, and what does it need?: It reaches gmail, googlecalendar, groundeffect and openrouter. The credentials we found in its source are GE_TOKEN_ENCRYPTION_KEY, GROUNDEFFECT_GOOGLE_CLIENT_SECRET and OPENROUTER_API_KEY.
Which AI clients can use groundeffect?: Its own description mentions Claude Code. That is a mention in its description, not a test we ran.
Is groundeffect official and is it maintained?: We found nothing naming it as a vendor’s official server. Its repository has 15 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-02-07.
What licence does groundeffect use?: The repository metadata we read does not state a licence, so check the repository before you rely on it.

More MCP servers for communication

All communication entries →