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B2B Buyer-Signal MCP

B2B Buyer-Signal MCP

by closermethod

B2B Buyer-Signal MCP

Intent layer for AI sales agents — structured signal interpretation, not data scraping.

Built from 10+ years of B2B enterprise sales experience.

Disclaimer. Outputs are structured signal-interpretation frameworks based on publicly-documented B2B sales practice. Not investment, financial, or legal advice. Not a substitute for human qualification. Verify any specific claim about a company, person, or event with primary sources before outreach.


Why This Exists

Every AI SDR and sales agent today has the same structural gap: they have signal data (from Apollo, Clay, Crunchbase, scrapers, paid APIs) but no consistent interpretation layer. They know a target hired a Head of Sales, but they don't know what to do with that information.

This MCP bridges that gap. Provide a signal payload — receive structured outreach implications.

It does NOT scrape data sources. Use Apify / Clay / Apollo / Crunchbase / LinkedIn ecosystem for upstream collection. This MCP is the interpretation engine.

Related MCP server: Sales Signals MCP Server

6 Tools

Tool

What it returns

interpret_hiring_signal

Signal strength, outreach timing, pitch angle, pitfalls, decision window for hiring events (new exec, team expansion)

interpret_funding_signal

Same for funding events (seed → IPO, down rounds) including budget bands and typical buyers

interpret_tech_stack_change

Same for tech-stack changes (added/removed competitor, warehouse adoption, compliance tooling)

interpret_leadership_change

Same for C-suite changes (CEO/CFO/CTO/CMO/founder departures)

interpret_expansion_signal

Same for market expansion (international office, vertical, product launch)

score_buyer_intent

Composite intent score (0-100) given multiple signals — for prioritization

Sample Use

// AI agent observes: "Acme just hired a new Head of Sales last week + announced Series B"
// Calls:
mcp.call("interpret_hiring_signal", { signal_type: "head_of_sales" });
mcp.call("interpret_funding_signal", { funding_stage: "series_b" });
mcp.call("score_buyer_intent", { signals: ["head_of_sales", "series_b"] });

// Returns: tier, recommended action, pitch angle, decision window

Pricing

  • Apify Pay-Per-Event: $0.05 per tool call

  • First 10 calls free per actor

Production Roadmap

This v1.0 is the interpretation layer. Future versions:

  • v1.1: Multi-signal correlation patterns (e.g., "head_of_sales + sdr_team_expansion within 30 days = pre-Series-A signal")

  • v1.2: Industry-specific weightings (SaaS vs Fintech vs Healthcare have different signal half-lives)

  • v1.3: Time-decay scoring (signal age affects weight)

  • v2.0: Optional bring-your-own-data adapter for Clay / Apify Scrapers / Crunchbase API

Built By

Elisabeth Hitz — 10+ years of B2B enterprise sales experience across ad-tech, SaaS, media, and global hiring. Five-year stretch overshooting quota at a publicly-listed ad-tech company. Now building MCP servers for the AI agent ecosystem.

License: MIT

Available Tools

7 tools
get_full_packA

Returns the complete signal-interpretation library + metadata. Useful for fine-tuning or full agent context.

Inputs: no named parameters.

interpret_expansion_signalB

Interpret a market expansion signal (new geo, vertical, product). Returns implications and outreach playbook. Types: international_office_opening, vertical_expansion, product_launch.

Inputs: expansion_type (required).

interpret_funding_signalA

Interpret a funding-event signal. Returns interpretation, budget band, typical buyers, outreach timing, pitfalls. Stages: seed, series_a, series_b, series_c_plus, ipo_recent, down_round.

Inputs: funding_stage (required).

interpret_hiring_signalA

Interpret a hiring signal (new exec hire, team expansion, role posting). Returns signal strength, outreach timing, pitch angle, common pitfalls, average decision window. Provide signal_type from: head_of_sales, head_of_revenue, head_of_security, vp_marketing, sdr_team_expansion, head_of_data.

Inputs: signal_type (required).

interpret_leadership_changeB

Interpret a leadership-change signal. Returns interpretation, outreach timing, pitch angle. Types: ceo_change, cfo_change, cto_change, cmo_change, founder_departure.

Inputs: change_type (required).

interpret_tech_stack_changeA

Interpret a tech-stack change signal. Returns interpretation, outreach timing, pitch angle, decision window. Types: added_competitor, removed_competitor, added_warehouse, added_compliance_tool, removed_legacy_crm.

Inputs: change_type (required).

score_buyer_intentA

Given a list of signals observed for a target account, return a composite intent score (0-100) and recommended outreach action. Use this to prioritize an account list.

Inputs: signals (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    A3.7/5.0

    Scored across 7 tools

    Disambiguation5/5

    Each tool targets a distinct signal type (funding, hiring, expansion, leadership, tech stack) plus a composite scoring tool and a full pack retrieval. No overlap in purposes.

    Naming Consistency4/5

    Five tools follow the consistent 'interpret_<signal_type>' pattern, but 'get_full_pack' and 'score_buyer_intent' break the pattern with different verbs, causing minor inconsistency.

    Tool Count5/5

    Seven tools is well-scoped for interpreting key B2B buyer signals and scoring intent. Not overly numerous nor sparse.

    Completeness4/5

    Covers major signal types and includes aggregation via scoring. Minor gap: lacks coverage for signals like partnership or regulatory changes, but core workflows are complete.

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