MisarMail MCP Server (io.github.mrgulshanyadav/misarmail-mcp)

The MisarMail MCP Server provides a Model Context Protocol interface to send email, run campaigns, manage subscribers/contacts, and handle templates and automations from an AI assistant. It supports A/B testing and deliverability auditing. The package is available via npm and is described as working with Claude and multiple developer editors/clients.

🛠️ Key Features

54 tools, 8 prompts, 4 resources, and 8 agent skills
Email sending and campaign execution
Subscriber/contact management
Template and automation support
A/B testing and deliverability auditing

🚀 Use Cases

Sending transactional or marketing email through an AI workflow
Running and iterating email campaigns with A/B tests
Managing contacts/subscribers and email templates
Auditing deliverability as part of campaign operations

⚡ Developer Benefits

Model Context Protocol server for AI assistants
Developer-friendly TypeScript package
Integration listed for Claude (Desktop/Code/web), Cursor, VS Code, Windsurf, Cline, Zed, and Gemini CLI

⚠️ Limitations

No specific authentication, endpoints, or tool details are included in the provided source excerpt

MisarMail MCP Server

Send email, run campaigns, manage contacts and automations, A/B test, and audit deliverability — from any AI assistant.

55 tools · 8 prompts · 4 resources · 8 agent skills

Works with Claude (Desktop, Code, and web), Cursor, VS Code, Windsurf, Cline, Zed, Gemini CLI, ChatGPT, and any other MCP-compatible client — over stdio or Streamable HTTP.

Install

Smithery (recommended)

bash

npx -y @smithery/cli install misar/misarmail-mcp --client claude

Claude Code

bash

claude mcp add misarmail -- npx -y @misarmail/mcp@latest

Manual (any client)

json

{
  "mcpServers": {
    "misarmail": {
      "command": "npx",
      "args": ["-y", "@misarmail/mcp@latest"],
      "env": { "MISARMAIL_API_KEY": "msk_your_key_here" }
    }
  }
}

Ready-made configs for every client live in connectors/.

Remote (no install)

json

{
  "mcpServers": {
    "misarmail": {
      "type": "streamable-http",
      "url": "https://api.misar.io/mail/mcp",
      "headers": { "Authorization": "Bearer msk_your_key_here" }
    }
  }
}

Authentication

Two options — no copy-paste needed for the first:

Browser login. Start the server with no key and run the login tool. It opens the MisarMail consent screen, you review the requested permissions, and the key is delivered straight back and saved to ~/.misarmail/config.json.
API key. Create one at https://mail.misar.io/developers and set MISARMAIL_API_KEY.

Self-hosted instances: set MISARMAIL_BASE_URL.

Tools

Tool	Description
`send_email`	Send a transactional email from a verified MisarMail account.
`list_emails`	List emails from a mailbox folder with optional full-text search across subject and body.
`get_email`	Read the full content of a single email by ID, including headers, body, and attachments metadata.
`reply_to_email`	Reply to an existing email thread.
`archive_email`	Move an email to the archive folder.
`validate_email`	Validate an email address before sending: syntax, MX records, disposable-domain and role-account detection.
`list_campaigns`	List email marketing campaigns with their status, audience size, and headline metrics.
`get_campaign`	Get full details for one campaign: content, audience segment, schedule, and delivery statistics (sent, opened, clicked, bounced, complained)..
`create_campaign`	Create a new email marketing campaign as a draft.
`send_campaign`	Send a campaign now, or schedule it for a future time by passing scheduled_at.
`list_contacts`	List contacts with their subscription status and engagement metrics.
`create_contact`	Add a single contact.
`update_contact`	Update an existing contact by email address, including changing subscription status.
`import_contacts`	Bulk-import up to 5,000 contacts in one call.
`get_contact_score`	Get engagement score, engagement tier, and churn risk for one contact — or the lowest-engagement contacts across the list when contact_id is omitted.
`list_templates`	List saved email templates with their variable placeholders, so you can pick one for a campaign or transactional send..
`create_template`	Create a reusable email template.
`render_template`	Render a template with sample variables and return the resulting HTML and subject.
`list_automations`	List automation workflows (welcome series, re-engagement, drip sequences) with their trigger type and active state..
`get_automation`	Get one automation workflow in full: trigger, every step with its delay, and per-step completion stats..
`create_automation`	Create an automation workflow from a trigger, saved as a paused draft.
`toggle_automation`	Activate or pause an automation.
`list_ab_tests`	List A/B tests with per-variant results and whether a winner has been selected yet..
`create_ab_test`	Create one A/B test variant on a campaign.
`select_ab_test_winner`	Select the winning variant and send it to the remaining audience.
`get_analytics`	Get delivery and engagement analytics — sent, delivered, opened, clicked, bounced, and complained — for the account or one campaign, grouped by day/week/month..
`get_analytics_timeline`	Get a day/week/month breakdown of sent, delivered, opened, clicked, bounced, complained, replied, and unsubscribed — across every send medium (campaigns, inbox compose, API, MCP, SDKs, GraphQL, automations).
`generate_report`	Generate a structured analytics report over a date range.
`get_revenue_attribution`	Attribute ecommerce revenue to email — revenue per campaign, per contact, and average order value from tracked conversions..
`get_monetization_stats`	Get newsletter monetization stats: paid subscribers, MRR, churn, and sponsorship revenue for the period..
`get_deliverability_score`	Get the account deliverability score (0–100) and letter grade (A–F) with the factors dragging it down.
`run_deliverability_audit`	Run a full deliverability audit across authentication (SPF/DKIM/DMARC), domain reputation, list hygiene, content signals, and blocklist status.
`get_warmup_status`	Get IP/domain warm-up progress and today's remaining send capacity.
`check_dmarc`	Check live SPF, DKIM, and DMARC DNS records for a domain and report alignment problems with the exact record to publish.
`list_domains`	List sending domains with verification status and their DKIM/SPF/DMARC records.
`add_domain`	Add a sending domain and return the DNS records to publish.
`verify_domain`	Re-check a domain's DNS records and mark it verified if they resolve.
`configure_inbound_domain`	Configure inbound email routing for a subdomain so replies land in the MisarMail unified inbox.
`list_forms`	List signup forms with their embed status and conversion counts..
`get_form`	Get one signup form including its fields, embed code, and redirect behaviour..
`get_form_submissions`	List submissions for a signup form, including the submitted field values and timestamps..
`create_landing_page`	Create a hosted landing page with a single hero block (headline, subheadline, CTA).
`list_marketplace_items`	Browse the MisarMail template marketplace for ready-made email and automation templates..
`get_marketplace_item`	Get one marketplace listing with its full preview, author, and install count..
`list_inbox_conversations`	List unified-inbox conversations (threads) with their status and detected intent.
`get_inbox_conversation_messages`	Get every message in one inbox conversation, oldest first, with sender and timestamps..
`categorize_inbox_emails`	Run AI categorisation over a batch of inbox emails to label intent and priority.
`list_api_keys`	List API keys on the account with their scopes and last-used time.
`generate_subject_lines`	Generate AI subject-line variants for a campaign topic, optionally tuned to a tone and audience.
`list_integrations`	List connected third-party integrations and their sync status..
`get_integration`	Get one integration's configuration, scopes, and last sync result..
`toggle_integration`	Enable or disable an integration.
`list_sandbox_sends`	List emails captured by sandbox mode.
`clear_sandbox`	Delete every captured sandbox email.
`upgrade`	Show the current MisarMail plan, how much of each quota is left, and what upgrading unlocks.

Prompts

Reusable workflows your client exposes as slash-commands.

Prompt	Description
`compose_email`	Draft a professional email and send it via MisarMail after confirmation.
`campaign_performance_report`	Analyse campaign performance and produce prioritized improvements.
`contact_import_guide`	Import and organise contacts safely, with consent and hygiene checks.
`automation_builder_guide`	Design and build an email automation workflow step by step.
`deliverability_improvement_plan`	Diagnose deliverability and produce a prioritized weekly action plan.
`ab_test_plan`	Design a statistically meaningful A/B test for a campaign.
`list_hygiene_audit`	Find and clean the contacts that are hurting sender reputation.
`weekly_email_report`	Produce a stakeholder-ready weekly email performance summary.

Resources

Read-only context an agent can attach without spending a tool call.

URI	Description
`misarmail://account/domains`	Your sending domains with verification state and DNS records.
`misarmail://account/deliverability`	Current account deliverability score (0–100), grade, and contributing factors..
`misarmail://account/warmup`	IP/domain warm-up stage and remaining send capacity for today — the ceiling a bulk send must stay under..
`misarmail://templates`	Saved templates with their declared variables, for reuse in campaigns and sends..

Agent skills

Bundled in skills/ — guidance an agent loads when a task matches.

Skill	Use when
`ab-test-campaign`	Design and run an A/B test on a MisarMail campaign — subject line, content, sender name, or send time. Use for "A/B test", "split test", "which subject works better", or testing email variants.
`audit-deliverability`	Diagnose why MisarMail emails land in spam or bounce, and produce a prioritized fix list. Use for "emails going to spam", "not being delivered", "low open rate", "domain reputation", DMARC/SPF/DKIM, or blocklist questions.
`build-email-automation`	Design and build a MisarMail automation workflow — welcome series, drip sequence, re-engagement, or onboarding. Use for "automate", "drip", "welcome series", "sequence", or trigger-based email.
`clean-contact-list`	Audit and clean a MisarMail contact list — bounced, complained, and unengaged contacts. Use for list hygiene, re-engagement, suppression, or "why is my open rate falling".
`email-performance-report`	Produce a MisarMail performance report — opens, clicks, deliverability, revenue attribution. Use for "how are my emails doing", weekly/monthly reports, or campaign performance analysis.
`run-email-campaign`	Create, review, and send a bulk email campaign in MisarMail. Use when the user wants to email a list, newsletter, segment, or announcement to many recipients.
`send-transactional-email`	Send a one-off or transactional email through MisarMail. Use when the user asks to send, draft-and-send, or reply to an email — including receipts, notifications, welcome messages, and personal outreach.
`setup-sending-domain`	Add and verify a custom sending domain in MisarMail, including SPF, DKIM, DMARC, and inbound routing. Use for "send from my own domain", DNS setup, domain verification, or inbound email.

Safety

Destructive and irreversible actions are annotated (destructiveHint) so clients can prompt before running them. The skills instruct agents to confirm before anything that sends mail, publishes content, or is otherwise visible to other people.

Discovery (initialize, tools/list, prompts/list, resources/list) never requires credentials, so registries can index the server without one. Every action does.

io.github.mrgulshanyadav/misarmail-mcp