sendcraft-mcp (sendcraftlabs/sendcraft-mcp) is an MCP server listed on the M8ven Trust Index. It scores 58 out of 100, grade D. It declares 26 tools. No publisher has claimed this listing.
Enables AI agents to send emails, manage campaigns, subscribers, templates, and domains via the SendCraft email API.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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sendcraftlabs
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
sendcraft_send_emailSend a single transactional email immediately. Use this for order confirmations, password resets, notifications, and any one-off email triggered by a user action.
sendcraft_schedule_emailSchedule an email for future delivery. Use this for reminders, follow-ups, drip messages, or any email that should go out at a specific time.
sendcraft_cancel_scheduled_emailCancel a scheduled email before it is sent. Use when a user cancels an order, changes their preferences, or the scheduled action is no longer needed.
sendcraft_batch_sendSend up to 100 distinct emails in a single API call. Each email can have a different recipient, subject, and body. More efficient than calling send_email 100 times.
sendcraft_get_emailRetrieve details and delivery status for a single email by its ID. Use to check whether a specific email was delivered, opened, or bounced.
sendcraft_list_emailsList recently sent emails with delivery status. Use to audit what was sent, find a specific email, or monitor deliverability.
sendcraft_get_statsGet aggregate email statistics: total sent, open rate, click rate, bounce rate, and complaint rate. Use to understand overall sending health.
sendcraft_list_campaignsList email marketing campaigns with their status and performance metrics.
sendcraft_create_campaignCreate a new email marketing campaign. After creating, call sendcraft_send_campaign to send it.
sendcraft_send_campaignSend an existing draft campaign immediately, or schedule it for a future time.
sendcraft_get_campaign_analyticsGet detailed analytics for a specific campaign: opens, clicks, bounces, unsubscribes, and click heatmap data.
sendcraft_list_subscribersList subscribers/contacts with their status and tags.
sendcraft_add_subscriberAdd a new subscriber/contact to a list. If the list has double opt-in enabled, a confirmation email is sent automatically.
sendcraft_unsubscribeUnsubscribe a contact from all marketing emails. Use when processing manual unsubscribe requests or GDPR deletion requests.
sendcraft_list_templatesList saved email templates. Templates can be reused across campaigns and transactional emails.
sendcraft_create_templateSave an email template for reuse. Templates support {{variable}} placeholders for personalization.
sendcraft_list_domainsList sender domains and their DNS verification status (SPF, DKIM, DMARC). Emails from unverified domains may land in spam.
sendcraft_add_domainAdd a new sender domain and get the DNS records (SPF, DKIM, DMARC, BIMI) to configure at your DNS provider.
sendcraft_verify_domainCheck if the DNS records for a domain are correctly configured. Call this after updating DNS records to confirm verification.
sendcraft_analyze_dmarcAnalyze the DMARC record for a verified domain. Returns a score (0-100), policy strength, and specific issues to fix.
sendcraft_list_segmentsList subscriber segments. Segments are dynamic groups of subscribers matching specific criteria (country, tags, activity, etc.).
sendcraft_get_warmup_statusCheck the IP warmup status for the self-hosted SMTP server. Returns current day, daily send limit, emails sent today, and remaining quota. Important to check before sending large batches.
sendcraft_list_topicsList email topics/categories. Topics let subscribers choose which types of emails they receive (e.g. product-updates, weekly-digest, promotions).
sendcraft_get_subscriber_topicsGet the topic preferences for a specific subscriber — which topics they are opted in or out of.
sendcraft_get_send_timeGet AI-powered send-time optimisation. Returns the best day of week and hour of day (UTC) to send campaigns for maximum open rate, based on your subscribers' historical open patterns.
sendcraft_list_api_keysList API keys for the account. Returns masked keys (never the full value), permissions scope, and last-used date.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig
Axios is vulnerable to DoS attack through lack of data size check
SENDCRAFT_API_KEY"": "sc_live_..."SENDCRAFT_BASE_URL"": "https://api.yourinstance.com/api"Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
26/26 tools missing one or more hints — sendcraft_send_email (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); sendcraft_schedule_email (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); sendcraft_cancel_scheduled_email (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +23 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 14 high severity in production deps — @modelcontextprotocol/sdk@1.0.0 (high), axios@1.6.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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