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SKILL verified MIT Self-run

Challenger

skill-zime-ai-zime-gtm-skills-challenger · by zime-ai

Audits a B2B sales call transcript against the Challenger Sale framework (teach, tailor, take control, plus the commercial-teaching pitch arc), or sweeps a CRM export for deals with no teaching insight logged. Use when a rep leans on discovery-question skill but rarely brings a point of view, when prepping a rep for a competitive or status-quo-defending deal, or when a manager wants to know if a…

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Install

$ agentstack add skill-zime-ai-zime-gtm-skills-challenger

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

Security review passed
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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Challenger Sale Audit

Audits a sales conversation against the Challenger Sale's core claim: the reps who win complex deals teach the buyer something they didn't already know, tailor that teaching to the specific stakeholder in front of them, and take control of the conversation instead of deferring entirely to the buyer's stated agenda. Unlike a discovery-focused skill, this one scores whether the rep pushed a point of view, not just whether they asked good questions.

When to use this

  • A rep is skilled at discovery but the deal stalls on "we'll think about

it" — check whether any call actually taught the buyer something.

  • Prepping a rep for a call where the buyer is defending the status quo or

comparing on price, where a generic pitch will lose.

  • A manager wants to know if a call restated the buyer's own stated problem

back to them, or introduced a reframe the buyer didn't already hold.

Modes

Transcript mode (.txt, .vtt, .json, .md)

claude "run challenger on ./calls/acme-call.txt"

Read the transcript, then score it against references/rubric.md. For Teach, Tailor, and Take control, output:

  • Status — Covered / Partial / Missed / Not applicable to this call
  • Evidence — a direct quote from the transcript
  • Note — one line, only if Partial or Missed

Then check the call against the commercial-teaching pitch arc (Warmer, Reframe, Rational Drowning, Emotional Impact, New way, Our solution/a-ha): list which steps appeared, which were skipped, and whether the reframe step introduced a genuine insight or just repeated what the buyer already said.

Close with the single biggest missed teaching opportunity on this call — a moment where the buyer stated a problem or assumption and the rep could have reframed it but didn't.

CSV mode (.csv)

claude "run challenger on ./exports/pipeline.csv"

Structural hygiene sweep, not a call-quality claim — say so explicitly. Flag deal rows with no logged teaching moment, insight, or point-of-view field populated. Output a table: deal name, deal value, gap, sorted by deal value descending.

Sample data

assets/sample-transcript.txt is a synthetic mid-stage call — run the skill against it first.

What this does not do

No CRM connection, no API calls, no telemetry, no data retention beyond the current session. It reads the file you point it at and nothing else.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.