← Registry tracker

PostGrid

This connector provides the full power of the PostGrid platform to Claude: - Verify postal addresses, appending details such as census info and more - Design and launch direct mail campaigns including sending letters, postcards, checks, self-mailers, and snap packs - Send one-off or automated transactional mailings (account statements, insurance claims notices, etc) - Build targeted mailing lists from demographic and geographic filters to maximize direct mail ROI - Run analytics and provide insights into your PostGrid mailings, including tracking your mailings at scale

View in the Claude registry
Integration type
Connector
Verification status
Community connector
Platform
Claude
Category
Marketing

The broad Category that contains the Primary Subcategory.

Primary Subcategory
Email & SMS Lifecycle Marketing Automation

The Primary Subcategory used for this profile’s headline score.

Secondary Subcategories
None listed

Other Subcategories where the Integration is visible.

Brand
PostGrid
Access
Account required
First tracked
2026-07-21
Tool count
6
Geography
US

Claude Discoverability Score

Community connectors cannot be organically discovered yet

PostGrid is a Community connector, so Claude cannot surface it organically yet. It becomes eligible for organic discovery after Claude verifies it. Learn how Anthropic reviews Connector Directory submissions in the official Connector Directory guide.

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Primary Subcategory

Competing in Claude Email & SMS Lifecycle Marketing Automation

View Category
10 scoredVerified connectors by score · Community connectors A–Z
Primary Subcategory
1Klaviyo100/100
2MailerLite78/100
3Brevo19/100
4Shopify19/100
5Customer.io15/100
—AWeberOrganic discovery is pending verificationGet notified when verified
—Constant ContactOrganic discovery is pending verificationGet notified when verified
—ConversionOrganic discovery is pending verificationGet notified when verified
—Inflection.ioOrganic discovery is pending verificationGet notified when verified
—LoopsOrganic discovery is pending verificationGet notified when verified
—magnewsOrganic discovery is pending verificationGet notified when verified
—MailrithOrganic discovery is pending verificationGet notified when verified
—Mobile Text AlertsOrganic discovery is pending verificationGet notified when verified
—NitrosendOrganic discovery is pending verificationGet notified when verified
—Omnisend MCPOrganic discovery is pending verificationGet notified when verified
—OsiroOrganic discovery is pending verificationGet notified when verified
—PostGridOrganic discovery is pending verificationGet notified when verified
—SenderKitOrganic discovery is pending verificationGet notified when verified
—SentOrganic discovery is pending verificationGet notified when verified
—StopChurnOrganic discovery is pending verificationGet notified when verified
—subsclineOrganic discovery is pending verificationGet notified when verified
—TextmagicOrganic discovery is pending verificationGet notified when verified
Score explained

How the Discoverability Score works

The Claude Discoverability Score will be the percentage of contested conversations where PostGrid appears in the connector picker or Claude invokes it directly. Found and Positioned will be shown as diagnostics, not score inputs.

InvisibleBuriedEmergingCompetitiveWinning

Community connectors appear on this scale after Claude verifies them and they become eligible for organic discovery.

FoundDiagnostic

Whether Claude found your Connector in connector search. It must be Found before it can reach the picker, but the score counts picker appearances—not search results.

PickedMain score

How often your Connector appeared in the picker, or Claude invoked it directly, across contested conversations. This percentage is the Discoverability Score; the headline number is rounded.

PositionedDiagnostic

What position your Connector appeared in when it was shown in the picker. This shows prominence, but it does not affect the score.

Read the full scoring methodologyRecommended guideHow to get your Claude Connector organically discoveredFollow the practical steps agents use to find, shortlist, and choose your Connector.
Tools

6 tools agents can invoke

PostGrid FAQ
How do I improve a Community connector's discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are PostGrid alternatives on Claude?

As of 2026-08-14, PostGrid competes with Klaviyo, MailerLite, Brevo, Shopify, Customer.io, Twilio, ActiveCampaign, Resend, Intuit Mailchimp, OneSignal, AWeber, Constant Contact, Conversion, Inflection.io, Loops, magnews, Mailrith, Mobile Text Alerts, Nitrosend, Omnisend MCP, Osiro, SenderKit, Sent, StopChurn, subscline, Textmagic in Claude Email & SMS Lifecycle Marketing Automation, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.