Catholic Index

Look up Catholic parishes, Mass times, Confession schedules, and Adoration hours near any location. Get full parish details. Find Masses currently livestreaming on YouTube. Search recorded homilies by topic using semantic search. Get daily Mass readings with liturgical info and a reflection, in English or Spanish. Covers 23,000+ US parishes.

View in the ChatGPT registry

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Travel & Hospitality
Primary Subcategory: Scripture & Faith Study
Secondary Subcategories: None listed
Brand: Catholic Index
Access: No account required
First tracked: 2026-03-11
Tool count: 6
Geography: US

ChatGPT Plugin Discoverability Score

ChatGPT organic discovery is not live yet

Catholic Index is tracked in the ChatGPT Plugin registry. Public organic-discovery measurement is not live for ChatGPT yet, so there is no score to publish today.

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Primary Subcategory

Competing in ChatGPT Scripture & Faith Study

View Category

Listed in alphabetical order

Primary Subcategory

A-Z Holy BibleOrganic discovery is pendingGet the score at launch

Catholic IndexOrganic discovery is pendingGet the score at launch

quran.aiOrganic discovery is pendingGet the score at launch

TarteelOrganic discovery is pendingGet the score at launch

The Lonely DoorOrganic discovery is pendingGet the score at launch

VaktimOrganic discovery is pendingGet the score at launch

Score explained

How the Discoverability Score works

Organic discovery scoring for Catholic Index on ChatGPT is not live yet. The score will use measured agent conversations when it launches.

InvisibleBuriedEmergingCompetitiveWinning

Organic discovery scoring is pending. Your Plugin score will appear on this scale when measurement goes live.

FoundDiagnostic

Whether Claude found your Plugin 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 Plugin 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 Plugin appeared in when it was shown in the picker. This shows prominence, but it does not affect the score.

Read the full scoring methodology Recommended 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

Find Catholic churches near a latitude/longitude. Returns up to 20 parishes within a radius (max 50 miles), sorted by distance. Each result includes address, phone, website, next 3 upcoming Mass times, next 3 Confession times, next 3 Adoration times, and a link to the parish profile on catholicindex.org. Geocode any user-provided city, ZIP, or address into coordinates before calling this tool.
Find Catholic Masses currently livestreaming on YouTube right now. Returns up to 20 results with church name, address, YouTube video link, video title, viewer count, and start time. If latitude/longitude are provided, results are sorted by distance; otherwise sorted by viewer count. No location is required.
Find upcoming Catholic Mass times near a latitude/longitude, sorted by next occurrence. Returns up to 20 results within a radius (max 50 miles). Each result includes church name, address, distance, day, time, language, and a link to the parish on catholicindex.org. Can filter to only Masses with a livestream available. Geocode any user-provided location into coordinates before calling this tool.
Get full details for a specific Catholic parish by its URL slug (e.g. "st-patrick-cathedral-new-york"). Returns the complete weekly schedule for Mass, Confession, Adoration, and Devotions, plus address, phone, website, and a link to the parish profile on catholicindex.org. Use a slug obtained from find_churches or find_masses results.
Get Catholic Mass readings for a given date (defaults to today). Returns all Scripture readings, Responsorial Psalm, and Gospel text, plus liturgical season, liturgical color, feast day info, a spiritual reflection, and a link to the official USCCB readings page. Available in English and Spanish.
Search recorded Catholic homilies by topic, Scripture passage, or question using semantic search. Returns up to 4 matching homilies with priest name, parish, date, tags, a short explanation of why the homily matches, and a timestamped YouTube video link. Queries are matched against homily transcripts using AI embeddings.

Catholic Index FAQ

How do I improve a ChatGPT Plugin'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 Catholic Index alternatives on ChatGPT?

As of 2026-08-14, Catholic Index competes with A-Z Holy Bible, quran.ai, Tarteel, The Lonely Door, Vaktim in ChatGPT Scripture & Faith Study, 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.