Email

MCP server for Blip disposable email — create inboxes, receive emails, extract OTP codes

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "email-2": {
      "command": "npx",
      "args": [
        "-y",
        "email-2"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

blip

Instant disposable email inboxes. API, CLI, MCP server, and web app.

useblip.email | Docs | API Reference

Features

Disposable email addresses with random or custom slugs
Real-time email delivery via SSE
OTP and verification link extraction
Webhooks with HMAC-SHA256 signatures and delivery logs
CLI for terminal workflows
MCP server for AI agents
Multi-domain support

Architecture

Code

blip/
  server/core/      Kotlin/Ktor API server (AGPL-3.0)
  cli/              Kotlin/Clikt CLI
  mcp-server/       TypeScript MCP server (npm: @useblip/email)
  shared-models/    Shared Kotlin data models

Quickstart

Managed (useblip.email)

No setup required. Create inboxes at app.useblip.email or via the API:

bash

# Get a session token
curl -X POST https://api.useblip.email/v1/sessions

# Create an inbox
curl -X POST https://api.useblip.email/v1/inboxes \
  -H "Authorization: Bearer <token>"

CLI

bash

brew install bmcreations/tap/blip

blip create
blip inbox --watch

Self-hosted

Prerequisites: JDK 21+, libSQL (sqld)

bash

git clone https://github.com/blipemail/blip.git
cd blip
./gradlew :server:core:buildFatJar

# Start libSQL
sqld --http-listen-addr 127.0.0.1:8081 &

# Run the server
TURSO_URL=http://localhost:8081 WORKER_SECRET=dev-secret \
  java -jar server/core/build/libs/*-all.jar

Or with Docker:

Terminal

docker build -t blip .
docker run -p 8080:8080 \
  -e TURSO_URL=http://host.docker.internal:8081 \
  -e WORKER_SECRET=your-secret \
  blip

Environment variables

Variable	Required	Default	Description
`PORT`	No	`8080`	Server port
`TURSO_URL`	Yes	`http://localhost:8081`	libSQL/Turso database URL
`TURSO_AUTH_TOKEN`	No	—	Turso auth token (production)
`WORKER_SECRET`	Yes	`dev-secret`	Shared secret for authenticating inbound email delivery
`FRONTEND_URL`	No	`http://localhost:4321`	Frontend URL for CORS

Development

See CONTRIBUTING.md for development setup and contribution guidelines.

bash

# Run tests
./gradlew :server:core:test

# Build CLI
./gradlew :cli:installDist
./cli/build/install/cli/bin/cli --help

# Build MCP server
cd mcp-server && npm install && npm run build

License

This repository uses per-component licensing:

Component	License
`server/core`	AGPL-3.0
`mcp-server`	MIT
`cli`	MIT
`shared-models`	MIT

The API server is AGPL-3.0 to ensure modifications to the hosted service remain open source. The MCP server, CLI, and shared models are MIT for maximum adoption flexibility.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Email

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "email": { "command": "npx", "args": ["-y", "email"] } }

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Technical Specs & Signals

CategoryCommunication

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💬 Communication →Best MCP servers for Slack & Communication →Alternatives to Email →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

blip

Instant disposable email inboxes. API, CLI, MCP server, and web app.

useblip.email | Docs | API Reference

Features

Disposable email addresses with random or custom slugs
Real-time email delivery via SSE
OTP and verification link extraction
Webhooks with HMAC-SHA256 signatures and delivery logs
CLI for terminal workflows
MCP server for AI agents
Multi-domain support

Architecture

Code

blip/
  server/core/      Kotlin/Ktor API server (AGPL-3.0)
  cli/              Kotlin/Clikt CLI
  mcp-server/       TypeScript MCP server (npm: @useblip/email)
  shared-models/    Shared Kotlin data models

Quickstart

Managed (useblip.email)

No setup required. Create inboxes at app.useblip.email or via the API:

bash

# Get a session token
curl -X POST https://api.useblip.email/v1/sessions

# Create an inbox
curl -X POST https://api.useblip.email/v1/inboxes \
  -H "Authorization: Bearer <token>"

CLI

bash

brew install bmcreations/tap/blip

blip create
blip inbox --watch

Self-hosted

Prerequisites: JDK 21+, libSQL (sqld)

bash

git clone https://github.com/blipemail/blip.git
cd blip
./gradlew :server:core:buildFatJar

# Start libSQL
sqld --http-listen-addr 127.0.0.1:8081 &

# Run the server
TURSO_URL=http://localhost:8081 WORKER_SECRET=dev-secret \
  java -jar server/core/build/libs/*-all.jar

Or with Docker:

Terminal

docker build -t blip .
docker run -p 8080:8080 \
  -e TURSO_URL=http://host.docker.internal:8081 \
  -e WORKER_SECRET=your-secret \
  blip

Environment variables

Variable	Required	Default	Description
`PORT`	No	`8080`	Server port
`TURSO_URL`	Yes	`http://localhost:8081`	libSQL/Turso database URL
`TURSO_AUTH_TOKEN`	No	—	Turso auth token (production)
`WORKER_SECRET`	Yes	`dev-secret`	Shared secret for authenticating inbound email delivery
`FRONTEND_URL`	No	`http://localhost:4321`	Frontend URL for CORS

Development

See CONTRIBUTING.md for development setup and contribution guidelines.

bash

# Run tests
./gradlew :server:core:test

# Build CLI
./gradlew :cli:installDist
./cli/build/install/cli/bin/cli --help

# Build MCP server
cd mcp-server && npm install && npm run build

License

This repository uses per-component licensing:

Component	License
`server/core`	AGPL-3.0
`mcp-server`	MIT
`cli`	MIT
`shared-models`	MIT

The API server is AGPL-3.0 to ensure modifications to the hosted service remain open source. The MCP server, CLI, and shared models are MIT for maximum adoption flexibility.