CRM Dedupe Plan

    1

    Deduplication with a reversible dry run and a survivorship table before any merge.

    $14

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    Works with the AI tools you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIGitHub CopilotGitHub CopilotGemini CLIGemini CLI+20 more

    CRM Dedupe Plan

    Example session with this skill installed

    I have 4,000 duplicate contacts in HubSpot using email as the key. I need a plan to merge them without losing our custom 'Lead Source' data or breaking deal associations.

    • Read your context and instructions
    • Compiled the crm dedupe plan
    • Generated the data export

    CRM Dedupe Plan: HubSpot Contacts

    • Match Key: Email (Fill rate: 98%)
    • Survivorship: 'Lead Source' (Manual Review if conflicting), 'Last Activity' (Newest wins).
    • Association Check: 450 Deals linked.
    • Rollback: Export CSV generated at /exports/pre-merge-hubspot.csv.

    crm-dedupe-plan.csv

    CSV · data export

    Generated

    Example file from a real run - the skill writes it into your workspace.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Define field-level survivorship rules to prevent data overwrites.Audit record associations to protect deal and activity history.Generate a pre-merge dry run diff for stakeholder approval.Execute post-merge validation to confirm zero field-value loss.

    About this skill

    The problem

    CRM record merging is typically irreversible. A single mistake during a bulk merge can lead to silent data loss, broken reporting associations, and corrupted customer histories that are impossible to roll back without a manual audit.

    What it does

    • Analyzes candidate match keys and calculates fill rates to ensure maximum duplicate detection.
    • Generates field-level survivorship rules to prioritize populated data over blanks and fresh activity over stale records.
    • Performs a comprehensive inventory of attached deals, tasks, and associations to prevent orphaned records.
    • Produces a pre-merge dry run diff and mandates a full export to serve as a manual rollback point.
    • Validates the merge with post-execution counts to ensure zero data degradation.

    Why this beats prompting it yourself

    General prompts often overlook association integrity and field-level survivorship logic. This skill enforces a strict multi-step validation protocol, including fill-rate analysis and manual inspection of large clusters, which prevents the "mass-merge" disasters common with basic LLM instructions.

    Use cases

    • Cleaning up duplicate company and contact records before a major CRM migration.
    • Resolving high-volume duplicate clusters generated by poor integration mapping.
    • Establishing a standardized survivorship policy for ongoing CRM hygiene.
    • Auditing association health before merging records with active sales opportunities.

    Known limitations

    Requires the user to provide candidate match keys and access to record fill rates. Does not directly interface with CRM APIs; it generates the execution and validation plan for the admin.

    Most premium skills are on a weekly review cycle. Fixes and improvements ship as updates, and buyers receive release notes by email. Part of the Mambabuilt catalog. Packs and the full bundle are available at mambabuilt.com.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

      Free skills download straight away. Paid skills unlock right after purchase.

    2. 2

      Unzip into your skills folder

      Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.

    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

    Skills folder by agent

    Click the path to copy it. Create the folder if it does not exist yet.

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    Trust & safety

    Security scanned

    Verified clean 19 days ago

    • Passed all security checks, Safe to install

    Listed19 days ago

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