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SigParser

Relationship intelligence

Category
Sales & CRM
View in the ChatGPT registry
Integration details

Description

SigParser builds a database of contacts, companies, and relationship metrics from your team's email and calendar interactions. Use it in ChatGPT to find who you know at a company, see which coworker has the warmest relationship with a prospect, prepare pre-meeting company briefs, find dormant relationships worth re-engaging, export filtered contact lists to CSV, update contact and company records, and push contacts to your connected CRM or email marketing app.

Integration type
Plugin
Verification status
Not applicable
Platform
ChatGPT
Category
Sales & CRM

The broad Category that contains the Primary Subcategory.

Primary Subcategory
B2B Prospecting & Contact Data

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

Secondary Subcategories
None listed

Other Subcategories where the Integration is listed.

Access
Account required
First tracked
2026-09-26
Tool count
14
Geography
US

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What discovery looks like

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Primary Subcategory
Listed in alphabetical order
Primary Subcategory
AI Leads ScoutComing soonGet notified
AI Vibe ProspectingComing soonGet notified
Apollo.ioComing soonGet notified
Canonical Company SearchComing soonGet notified
ClayComing soonGet notified
SigParserComing soonGet notified
Recommended guideThe Complete Guide to ChatGPT Plugin DiscoverabilityFollow the practical steps agents use to find, shortlist, and choose your Plugin.Read guide
Tools

14 tools agents can invoke

SigParser 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 SigParser alternatives on ChatGPT?

As of 2026-09-26, SigParser competes with AI Leads Scout, AI Vibe Prospecting, Apollo.io, Canonical Company Search, Clay, Crustdata, Data247, DataForB2B, DataLayer, DayOneLead, Demandbase, eCore Enrichment Email Phone, Enginy, Enrow, EventMatch, Firmable, FullEnrich, Gojiberry, Grata, Happenstance, HG Insights - RGI, Hunter, Icebreaker, InsightSignal, Lusha, Meticulate, Moody's Growth and Strategy, Onsa, Pipecorn, Popl, Resolve Recipients, Reverse Contact, RocketReach, SalesNow, SciLeads, Seamless, SignalHire, Sixtyfour Intelligence, Sprouts Data Intelligence, StoreInspect, Sumble, Super Carl, The Org, Unify, Village, ZoomInfo in ChatGPT B2B Prospecting & Contact Data, 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.