How to add MCP servers to Antigravity

Q: What is the remote server field called?

`serverUrl`, with optional `headers` and `timeoutSeconds`.

Antigravity is Google's agent platform, with an app, a CLI and an IDE. MCP servers are set in mcp_config.json, globally or per workspace, and managed from the Customizations screen.

✓ stdio✓ HTTP✗ SSE✓ OAuthRuns on: Antigravity app, CLI and IDEChecked against Antigravity docs

Add an MCP server to Antigravity

1Open Manage MCP Servers → View raw config, or edit ~/.gemini/config/mcp_config.json.
2Paste the server under mcpServers.
3Remote servers use serverUrl and must speak streamable HTTP (httpUrl is not supported).

Example: Codebase Memory

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "codebase-memory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "codebase-memory-mcp"
      ]
    }
  }
}

Streamable HTTP only, with Google sign-in

Remote servers must speak Streamable HTTP and use serverUrl; SSE and httpUrl are not accepted.
Servers that need Google credentials can use Application Default Credentials through authProviderType.
tools.<name>.eager loads chosen tools up front instead of on demand.
Connections time out after 300 seconds and calls after 180 seconds unless you change timeoutSeconds.

Where Antigravity keeps MCP servers

~/.gemini/config/mcp_config.jsonglobal
.agents/mcp_config.jsonworkspace

Check it loaded: Customizations → Installed → MCP Servers

Limits and settings

Remote servers use serverUrl and Streamable HTTP only; the legacy SSE transport and httpUrl are not supported.
Default timeouts: 300 seconds to connect and 180 seconds per call.
enabledTools and disabledTools filter a server's tools.
Tool permissions default to Ask.

When a server does not work in Antigravity

A green status dot in the app means the server is connected.
In the CLI, type /mcp to open the MCP manager and see each server's state.
If a remote server fails, check that it serves Streamable HTTP and that the field is serverUrl.

Antigravity MCP questions

How do I add an MCP server to Antigravity?

In the app, open Customizations → Installed → MCP Servers and click +, or edit ~/.gemini/config/mcp_config.json (global) or .agents/mcp_config.json (workspace).

Does Antigravity support SSE servers?

No. Remote servers must use Streamable HTTP.

Does it support OAuth?

Yes, OAuth 2.0 with PKCE, through client metadata documents, dynamic registration or a manual client ID.

What is the remote server field called?

serverUrl, with optional headers and timeoutSeconds.

Popular MCP servers for Antigravity

1
Pascal 3D Editorpascalorg/editor25.5K stars
Lets an AI client create, inspect, validate, and save editable 3D building scenes, including walls, rooms, doors, and furnishings.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "editor": { "command": "npx", "args": [ "-y", "@pascal-app/mcp" ] } } }
2
Apify MCP Serverapify/apify-mcp-server16K stars
Lets AI agents search, run, and read results from thousands of web scraping and automation Actors on Apify Store.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "apify-mcp-server": { "serverUrl": "https://mcp.apify.com/" } } }
3
AdLoopklosk/adloop301 stars
Lets an AI client read and change Google Ads, Reddit Ads and GA4 campaigns, with a preview shown before every change.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "adloop": { "command": "uvx", "args": [ "adloop" ] } } }
4
MCP Toolbox for Databasesgoogleapis/mcp-toolbox16.9K stars
Connects AI agents and IDEs to enterprise databases using prebuilt tools or a custom framework for secure, structured queries.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "mcp-toolbox": { "command": "docker", "args": [ "run", "-i", "--rm", "us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:1.17.0" ] } } }
5
MCP Toolbox for Databasesgoogleapis/genai-toolbox16.9K stars
Connects AI agents and IDEs to enterprise databases using prebuilt tools or a custom framework for secure, structured queries.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "genai-toolbox": { "command": "docker", "args": [ "run", "-i", "--rm", "us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:0.31.0" ] } } }
6
Context7upstash/context764.7K stars
Fetches up-to-date, version-specific library documentation and code examples into an AI coding agent's context.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "context7": { "command": "npx", "args": [ "-y", "@upstash/context7-mcp" ] } } }
7
PostHog MCP Serverposthog/mcp-5b028a40.8K stars
Lets an AI client access product analytics, feature flags, experiments, dashboards, and error tracking data.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "mcp-5b028a": { "serverUrl": "https://mcp.posthog.com/mcp" } } }
8
Nhostnhost/mcp9.4K stars
Exposes your Nhost GraphQL API as an MCP server to allow AI assistants to query and mutate project data within user-defined permissions.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "mcp": { "command": "docker", "args": [ "run", "-i", "--rm", "docker.io/nhost/mcp:0.4.0-beta2" ] } } }
9
Webclaw0xmassi/webclaw2.4K stars
Turns web pages into clean markdown, JSON, or LLM-ready text and lets AI clients scrape, crawl, search, and extract structured data from websites.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "webclaw": { "command": "npx", "args": [ "-y", "@webclaw/mcp" ] } } }
10
GitHubgithub/github-mcp-server34.4K stars
Connects AI clients to GitHub so they can read repositories, manage issues and pull requests, and inspect workflows.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "github-mcp-server": { "command": "docker", "args": [ "run", "-i", "--rm", "ghcr.io/github/github-mcp-server:2.1.0" ] } } }
11
MCP MCPbutterbase-ai/mcp3K stars
Manage backend schemas, authentication, functions, storage, RAG, and deployments directly from an MCP-capable client.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "mcp": { "command": "npx", "args": [ "-y", "@butterbase/mcp" ] } } }
12
Kubernetescontainers/kubernetes-mcp-server2.2K stars
Enables AI clients to manage Kubernetes and OpenShift resources through direct API interaction, including pod operations, Helm charts, and Tekton pipelines.
Config for Antigravity
~/.gemini/config/mcp_config.json
{ "mcpServers": { "kubernetes-mcp-server": { "command": "npx", "args": [ "-y", "kubernetes-mcp-server" ] } } }

Add an MCP server to Antigravity

1Open Manage MCP Servers → View raw config, or edit ~/.gemini/config/mcp_config.json.

2Paste the server under mcpServers.

3Remote servers use serverUrl and must speak streamable HTTP (httpUrl is not supported).

Example: Codebase Memory

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "codebase-memory-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "codebase-memory-mcp"
      ]
    }
  }
}

Streamable HTTP only, with Google sign-in

Remote servers must speak Streamable HTTP and use serverUrl; SSE and httpUrl are not accepted.

Servers that need Google credentials can use Application Default Credentials through authProviderType.

tools.<name>.eager loads chosen tools up front instead of on demand.

Connections time out after 300 seconds and calls after 180 seconds unless you change timeoutSeconds.

Antigravity MCP questions

How do I add an MCP server to Antigravity?

In the app, open Customizations → Installed → MCP Servers and click +, or edit ~/.gemini/config/mcp_config.json (global) or .agents/mcp_config.json (workspace).

Does Antigravity support SSE servers?

No. Remote servers must use Streamable HTTP.

Does it support OAuth?

Yes, OAuth 2.0 with PKCE, through client metadata documents, dynamic registration or a manual client ID.

What is the remote server field called?

serverUrl, with optional headers and timeoutSeconds.

Popular MCP servers for Antigravity

Pascal 3D Editorpascalorg/editor25.5K stars

Lets an AI client create, inspect, validate, and save editable 3D building scenes, including walls, rooms, doors, and furnishings.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "editor": {
      "command": "npx",
      "args": [
        "-y",
        "@pascal-app/mcp"
      ]
    }
  }
}

Apify MCP Serverapify/apify-mcp-server16K stars

Lets AI agents search, run, and read results from thousands of web scraping and automation Actors on Apify Store.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "apify-mcp-server": {
      "serverUrl": "https://mcp.apify.com/"
    }
  }
}

AdLoopklosk/adloop301 stars

Lets an AI client read and change Google Ads, Reddit Ads and GA4 campaigns, with a preview shown before every change.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "adloop": {
      "command": "uvx",
      "args": [
        "adloop"
      ]
    }
  }
}

MCP Toolbox for Databasesgoogleapis/mcp-toolbox16.9K stars

Connects AI agents and IDEs to enterprise databases using prebuilt tools or a custom framework for secure, structured queries.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mcp-toolbox": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:1.17.0"
      ]
    }
  }
}

MCP Toolbox for Databasesgoogleapis/genai-toolbox16.9K stars

Connects AI agents and IDEs to enterprise databases using prebuilt tools or a custom framework for secure, structured queries.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "genai-toolbox": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "us-central1-docker.pkg.dev/database-toolbox/toolbox/toolbox:0.31.0"
      ]
    }
  }
}

Context7upstash/context764.7K stars

Fetches up-to-date, version-specific library documentation and code examples into an AI coding agent's context.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": [
        "-y",
        "@upstash/context7-mcp"
      ]
    }
  }
}

PostHog MCP Serverposthog/mcp-5b028a40.8K stars

Lets an AI client access product analytics, feature flags, experiments, dashboards, and error tracking data.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mcp-5b028a": {
      "serverUrl": "https://mcp.posthog.com/mcp"
    }
  }
}

Nhostnhost/mcp9.4K stars

Exposes your Nhost GraphQL API as an MCP server to allow AI assistants to query and mutate project data within user-defined permissions.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/nhost/mcp:0.4.0-beta2"
      ]
    }
  }
}

Webclaw0xmassi/webclaw2.4K stars

Turns web pages into clean markdown, JSON, or LLM-ready text and lets AI clients scrape, crawl, search, and extract structured data from websites.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "webclaw": {
      "command": "npx",
      "args": [
        "-y",
        "@webclaw/mcp"
      ]
    }
  }
}

GitHubgithub/github-mcp-server34.4K stars

Connects AI clients to GitHub so they can read repositories, manage issues and pull requests, and inspect workflows.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "github-mcp-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/github/github-mcp-server:2.1.0"
      ]
    }
  }
}

MCP MCPbutterbase-ai/mcp3K stars

Manage backend schemas, authentication, functions, storage, RAG, and deployments directly from an MCP-capable client.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@butterbase/mcp"
      ]
    }
  }
}

Kubernetescontainers/kubernetes-mcp-server2.2K stars

Enables AI clients to manage Kubernetes and OpenShift resources through direct API interaction, including pod operations, Helm charts, and Tekton pipelines.

Config for Antigravity

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "kubernetes-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "kubernetes-mcp-server"
      ]
    }
  }
}