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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Data access / search

Rahul D Sarker: Marketing & RevOps Tools

116 marketing, RevOps and SaaS calculators with benchmarks, guided reviews, content search, booking.

Checks passed
13 / 22

1 failed · 8 not measured

Median response
582 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
124

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 582 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name co.rahuldsarker/growth-tools.

  • Pass
    Lists tools

    tools/list returned 124 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 582 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 582 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    632 of 636 parameters have a description (99%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-10-07T19:10:03.249116Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Rahul D Sarker: Marketing & RevOps Tools

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http rahul-d-sarker-marketing-revops-tools https://rahuldsarker.co/api/mcp

Capabilities

Tools 124

Showing 100 of 124 tools.

ab_test_significance_calculator

Run a two-proportion z-test on an A/B test to get relative uplift and statistical confidence. See the full version at https://rahuldsarker.co/calculators/ab-test-significance-calculator

Discovered
above_the_fold_messaging_clarity_grader

Score a hero section's five-second clarity across five weighted checks (what you do, outcome, CTA, jargon, subhead) into a 0-100 clarity verdict. See the full version at https://rahuldsarker.co/calculators/above-the-fold-messaging-clarity-grader

Discovered
acv_weight_planner

Break ARR down by SMB versus enterprise segments to see revenue concentration and per-customer averages. See the full version at https://rahuldsarker.co/calculators/acv-weight-planner

Discovered
ad_creative_fatigue_forecaster

Forecast how many days until an ad audience hits its fatigue frequency ceiling, and the date to have fresh creative ready. See the full version at https://rahuldsarker.co/calculators/ad-creative-fatigue-forecaster

Discovered
ad_frequency_risk_checker

Calculate average ad frequency from impressions and reach, and flag whether it is healthy, caution, or fatigue territory. See the full version at https://rahuldsarker.co/calculators/ad-frequency-risk-checker

Discovered
ad_spend_waste_calculator

Estimate how much monthly ad budget leaks to fraud and tracking/attribution waste. See the full version at https://rahuldsarker.co/calculators/ad-spend-waste-calculator

Discovered
advertising_to_sales_ratio_calculator

Calculate the advertising-to-sales (A/S) ratio from advertising spend and net sales, with an optional prior period for the trend and the incremental ratio. See the full version at https://rahuldsarker.co/calculators/advertising-to-sales-ratio-calculator

Discovered
ae_sdr_hand_off_friction_calculator

Quantify meetings and revenue lost when the SDR-to-AE hand-off is inconsistent, from scheduling, notes, CRM completeness, and SLA follow-up quality. See the full version at https://rahuldsarker.co/calculators/ae-sdr-hand-off-friction-calculator

Discovered
annual_growth_goal_back_calculator

Work backwards from an annual revenue goal, through ACV and close rates, to the traffic and leads needed per month to hit it. See the full version at https://rahuldsarker.co/calculators/annual-growth-goal-back-calculator

Discovered
arr_multiple_calculator

Apply conservative, market, premium, and custom ARR multiples to see the valuation range they imply. See the full version at https://rahuldsarker.co/calculators/arr-multiple-calculator

Discovered
b2b_implementation_delay_cost_calculator

Estimate revenue delayed each year by a slow onboarding gap between signature and go-live, and what halving it recovers. See the full version at https://rahuldsarker.co/calculators/b2b-implementation-delay-cost-calculator

Discovered
benchmark_metric

Say whether a number is good: returns the band (e.g. "Healthy", "Below target"), the target range and what it means, for LTV:CAC, CAC payback, churn, NRR, GRR, Rule of 40, Magic Number, burn multiple, quick ratio, gross margin, ROAS, conversion rate, marketing budget % of revenue and NPS. Rules of thumb, not guarantees.

Discovered
bootstrapped_vs_venture_scaler_modeler

Compare a founder's take-home from a bootstrapped exit against a venture-backed, diluted exit, and find the break-even exit value where raising starts to pay off. See the full version at https://rahuldsarker.co/calculators/bootstrapped-vs-venture-scaler-modeler

Discovered
brand_vs_performance_budget_allocator

Split a marketing budget between brand and performance spend based on company stage, using the Binet & Field long/short research as a directional guide. See the full version at https://rahuldsarker.co/calculators/brand-vs-performance-budget-allocator

Discovered
burn_rate_optimization_forecaster

Simulate month by month, at a given revenue growth rate and gross margin, how many months until gross profit covers fixed burn, and the cash needed to bridge the gap. See the full version at https://rahuldsarker.co/calculators/burn-rate-optimization-forecaster

Discovered
cac_payback_period_matrix

Calculate months to recover fully-loaded CAC on a gross-margin basis versus a raw-revenue basis. See the full version at https://rahuldsarker.co/calculators/cac-payback-period-matrix

Discovered
cart_abandonment_calculator

Calculate revenue lost to cart abandonment and how much a recovery flow could win back. See the full version at https://rahuldsarker.co/calculators/cart-abandonment-calculator

Discovered
channel_saturation_estimator

Project how many months until a channel's compounding CPA inflation pushes it past your max viable CPA. See the full version at https://rahuldsarker.co/calculators/channel-saturation-estimator

Discovered
check_availability

List open times for a free call with Rahul D Sarker (fractional CMO and RevOps consultant), live from his calendar. Each time comes with a link that opens the booking form with that time selected; the person confirms and books on the site. Use when someone wants to talk to Rahul, get help with their marketing or RevOps, or book a consultation.

Discovered
competitor_ad_spend_benchmarker

Estimate a competitor's ad spend from share-of-voice data, assuming spend maps roughly to share of voice within the same auction. See the full version at https://rahuldsarker.co/calculators/competitor-ad-spend-benchmarker

Discovered
contract_redline_duration_predictor

Predict how long legal redlines will take, whether the deal will slip past quarter-end, and the revenue at risk. See the full version at https://rahuldsarker.co/calculators/contract-redline-duration-predictor

Discovered
conversion_funnel

Calculate conversion rate and the traffic needed to hit a target number of conversions at that rate. See the full version at https://rahuldsarker.co/calculators/conversion-funnel

Discovered
cpa_to_cac_scalability_matrix

Project how CPA/CAC inflates as you double and triple ad spend, given a per-doubling decay rate. See the full version at https://rahuldsarker.co/calculators/cpa-to-cac-scalability-matrix

Discovered
cpl_cpa_calculator

Calculate cost per lead, expected customers, and cost per acquisition from spend, leads, and a lead-to-customer conversion rate. See the full version at https://rahuldsarker.co/calculators/cpl-cpa

Discovered
creative_testing_duration_forecaster

Forecast how many days an ad creative test needs to reach a sound sample size, from daily spend, expected CPA, variant count, and conversions needed per variant. See the full version at https://rahuldsarker.co/calculators/creative-testing-duration-forecaster

Discovered
crm_cleanup_roi_calculator

Quantify the rep hours and revenue lost to dirty CRM data each year, and the selling capacity a cleanup would free up. See the full version at https://rahuldsarker.co/calculators/crm-cleanup-roi-calculator

Discovered
crm_roi_calculator

Weigh a CRM subscription and implementation cost against the win-rate lift it buys. See the full version at https://rahuldsarker.co/calculators/crm-roi-calculator

Discovered
cross_channel_ad_spend_allocator

Suggest a starting Google/Meta/LinkedIn budget split based on total budget and average contract value. See the full version at https://rahuldsarker.co/calculators/cross-channel-ad-spend-allocator

Discovered
cross_sell_opportunity_estimator

Estimate the expansion ARR available from cross-selling a second product into your existing single-product customer base. See the full version at https://rahuldsarker.co/calculators/cross-sell-opportunity-estimator

Discovered
cta_visual_hierarchy_tester

Score a call-to-action button's visibility using its real WCAG contrast ratio against the background plus size and placement. See the full version at https://rahuldsarker.co/calculators/cta-visual-hierarchy-tester

Discovered
customer_expansion_revenue_matrix

Compound net monthly expansion revenue (upsell + cross-sell minus contraction) forward 1, 2, and 3 years from current ARR, with no new logos. See the full version at https://rahuldsarker.co/calculators/customer-expansion-revenue-matrix

Discovered
customer_success_capacity_planner

Compare CSM account load against a healthy book size to see capacity utilization and the hiring gap. See the full version at https://rahuldsarker.co/calculators/customer-success-capacity-planner

Discovered
data_enrichment_value_predictor

Compare the cost of manual rep research against an enrichment tool subscription, and calculate the net monthly savings and ROI. See the full version at https://rahuldsarker.co/calculators/data-enrichment-value-predictor

Discovered
deferred_revenue_amortization_planner

Straight-line an upfront payment across the contract term to see revenue recognized to date versus the remaining deferred-revenue liability. See the full version at https://rahuldsarker.co/calculators/deferred-revenue-amortization-planner

Discovered
email_marketing_roi_calculator

Estimate monthly revenue, ROI, revenue per email and revenue per subscriber from an email programme, in ecommerce or B2B pipeline mode. See the full version at https://rahuldsarker.co/calculators/email-marketing-roi-calculator

Discovered
enterprise_contract_discount_evaluator

Show how much lifetime profit an enterprise discount actually gives away, since cost-to-serve does not drop with price. See the full version at https://rahuldsarker.co/calculators/enterprise-contract-discount-evaluator

Discovered
exit_intent_timing_optimizer

Estimate the best time to fire a timed exit-intent popup, based on average session duration, pages per session, and engaged-visitor share. See the full version at https://rahuldsarker.co/calculators/exit-intent-timing-optimizer

Discovered
expansion_revenue_impact_simulator

Estimate expansion ARR from an upsell offer and the new-logo CAC it would take to buy the same growth. See the full version at https://rahuldsarker.co/calculators/expansion-revenue-impact-simulator

Discovered
find_calculator

Search the 110+ marketing, sales, RevOps and SaaS calculators by what you want to work out (e.g. "payback on ad spend", "churn", "valuation"). Returns tool names and their inputs; run one with run_calculator or call it directly.

Discovered
form_field_friction_cost_calculator

Estimate the extra leads and pipeline value unlocked by trimming form fields, using a per-field conversion recovery rate. See the full version at https://rahuldsarker.co/calculators/form-field-friction-cost-calculator

Discovered
freemium_to_paid_pipeline_modeler

Model monthly and annual new ARR from a freemium funnel, and the ARR still lagging in the upgrade pipeline. See the full version at https://rahuldsarker.co/calculators/freemium-to-paid-pipeline-modeler

Discovered
friction_point_identifier

Count how many of 8 common conversion-flow friction points are present and turn that into a flow health score. See the full version at https://rahuldsarker.co/calculators/friction-point-identifier

Discovered
google_search_impression_share_value_estimator

Estimate missed clicks, conversions, and revenue from operating below 100% search impression share. See the full version at https://rahuldsarker.co/calculators/impression-share-opportunity-matrix

Discovered
gross_margin_impact_calculator

Calculate gross profit and gross margin from revenue, infrastructure cost, and support/delivery cost. See the full version at https://rahuldsarker.co/calculators/gross-margin-impact-calculator

Discovered
growth_runway_extension_simulator

See how much cash runway a cut to gross burn buys you, given current cash, burn, and revenue. See the full version at https://rahuldsarker.co/calculators/growth-runway-extension-simulator

Discovered
growth_strategy_prioritization_tool

Rank growth ideas by ICE score (Impact, Confidence, Ease averaged, each scored 1-10) to decide what to run next. See the full version at https://rahuldsarker.co/calculators/growth-strategy-prioritization-tool

Discovered
growth_team_hiring_sequence_planner

Recommend the right growth/marketing hiring sequence for your ARR band, from founder-led at pre-$1M to a full leadership team at $10M+. See the full version at https://rahuldsarker.co/calculators/growth-team-hiring-sequence-planner

Discovered
gtm_audit_scorecard

Score your Google Tag Manager container health across eight weighted dimensions covering tag hygiene, consent, and reconciliation. See the full version at https://rahuldsarker.co/calculators/gtm-audit-scorecard

Discovered
historical_data_drift_estimator

Estimate how much of a contact database has gone stale since it was last cleansed, using an annual B2B data decay rate. See the full version at https://rahuldsarker.co/calculators/historical-data-drift-estimator

Discovered
impression_share_opportunity_matrix

Estimate missed conversions and revenue from operating below 100% impression share on a search campaign. See the full version at https://rahuldsarker.co/calculators/impression-share-opportunity-matrix

Discovered
in_house_vs_fractional_cmo

Compare the loaded annual cost of a full-time CMO hire against a fractional CMO retainer, including the ramp-up cost before a full-time hire makes impact. See the full version at https://rahuldsarker.co/calculators/in-house-vs-fractional-cmo

Discovered
inbound_call_center_routing_auditor

Estimate the customers and ARR put at risk each year by slow support routing and SLA breaches. See the full version at https://rahuldsarker.co/calculators/inbound-call-center-routing-auditor

Discovered
internationalization_market_prioritization_grid

Score a candidate international market on size, localization ease, competitive whitespace, regulatory ease, and payments/GTM readiness to decide whether to prioritize, plan, or deprioritize it. See the full version at https://rahuldsarker.co/calculators/internationalization-market-prioritization-grid

Discovered
landing_page_vs_ad_match_quality_auditor

Score message-match continuity between an ad and its landing page across five weighted criteria (headline, keyword, offer, CTA, visuals). See the full version at https://rahuldsarker.co/calculators/landing-page-vs-ad-match-quality-auditor

Discovered
lead_grading_calculator

Turn firmographic fit criteria into an A–F lead grade, distinct from behavioral lead scoring. See the full version at https://rahuldsarker.co/calculators/lead-grading-calculator

Discovered
lead_magnet_copy_grader

Score a lead magnet's perceived opt-in value across five weighted criteria into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/lead-magnet-copy-grader

Discovered
lead_quality_intent_evaluator

Split signups into corporate-email vs personal-email intent segments, apply different close rates to each, and score overall lead quality. See the full version at https://rahuldsarker.co/calculators/lead-quality-intent-evaluator

Discovered
lead_routing_delay_cost_calculator

Estimate the deals and revenue lost each month from slow lead response times, modeling how conversion decays with response delay. See the full version at https://rahuldsarker.co/calculators/lead-routing-delay-cost-calculator

Discovered
lead_scoring_logic_architect

Score a lead on weighted fit and behavior criteria and get a routing recommendation (route to sales, nurture, or disqualify). See the full version at https://rahuldsarker.co/calculators/lead-scoring-logic-architect

Discovered
linkedin_ad_cost_threshold_calculator

Calculate implied CAC from LinkedIn CPC, landing conversion, and close rate, and check it against the maximum CAC a contract can fund. See the full version at https://rahuldsarker.co/calculators/linkedin-ad-cost-threshold-calculator

Discovered
lookalike_audience_pool_calculator

Estimate the addressable pool from a lookalike percentage and market population, and grade seed audience quality. See the full version at https://rahuldsarker.co/calculators/lookalike-audience-pool-calculator

Discovered
ltv_cac_calculator

Calculate customer LTV, CAC, the LTV:CAC ratio, and CAC payback period. See the full version at https://rahuldsarker.co/calculators/cac-ltv

Discovered
ltv_growth_multiplier_simulator

Show how much gross-margin LTV grows when monthly churn improves, using LTV = ARPA x gross margin / monthly churn. See the full version at https://rahuldsarker.co/calculators/ltv-growth-multiplier-simulator

Discovered
ltv_to_cac_ratio_health_grader

Grade the LTV:CAC ratio on a gross-margin basis against health bands, from losing money to under-investing. See the full version at https://rahuldsarker.co/calculators/cac-ltv

Discovered
marketing_agency_pitch_bullshit_detector

Score an agency pitch on whether it's grounded in real, verifiable outcomes or dressed-up vanity metrics and vague promises. Answer 6 checks and get a credibility score, a BS meter, and a verdict before you sign anything. See the full version at https://rahuldsarker.co/calculators/marketing-agency-pitch-bullshit-detector

Discovered
marketing_budget

Size an annual and monthly marketing budget as a percentage of revenue, based on a growth posture (maintain, grow, or aggressive) or a custom override. See the full version at https://rahuldsarker.co/calculators/marketing-budget

Discovered
micro_budget_ad_feasibility_checker

Check whether a small daily ad budget can generate the ~50 weekly conversions platforms typically need to exit the learning phase. See the full version at https://rahuldsarker.co/calculators/micro-budget-ad-feasibility-checker

Discovered
micro_conversion_value_modeler

Back into a proxy dollar value for an early-funnel micro-conversion from the value of a won customer and the micro-to-customer conversion rate. See the full version at https://rahuldsarker.co/calculators/micro-conversion-value-modeler

Discovered
mobile_checkout_friction_tester

Score a mobile checkout flow's friction from step count, guest checkout, wallet pay, autofill, and mobile input types into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/mobile-checkout-friction-tester

Discovered
mql_calculator

Turn traffic and conversion rates into MQL volume, cost per lead, and cost per MQL. See the full version at https://rahuldsarker.co/calculators/mql-calculator

Discovered
mql_to_sales_disconnect_analyzer

Measure the marketing spend wasted on MQLs that sales rejects, based on the accept rate between the two teams. See the full version at https://rahuldsarker.co/calculators/mql-to-sales-disconnect-analyzer

Discovered
mrr_bridge_planner

Bridge starting MRR to ending MRR across new, expansion, resurrected, contraction, and churned movements. See the full version at https://rahuldsarker.co/calculators/mrr-bridge-planner

Discovered
mrr_to_arr_calculator

Annualize MRR into ARR, with an optional 12-month projection from expected net-new monthly revenue. See the full version at https://rahuldsarker.co/calculators/mrr-to-arr-calculator

Discovered
net_promoter_score_impact_modeler

Turn promoter and detractor percentages into NPS, net advocacy, and the organic referral pipeline promoters generate. See the full version at https://rahuldsarker.co/calculators/net-promoter-score-impact-modeler

Discovered
net_revenue_retention_forecaster

Project ARR over three years from net revenue retention (gross churn and expansion), compounded on the existing base with no new customers. See the full version at https://rahuldsarker.co/calculators/net-revenue-retention-forecaster

Discovered
no_show_rate_revenue_restorer

Calculate the revenue lost each month to demo no-shows, and how much would be recovered by cutting the no-show rate by 5 or 10 points. See the full version at https://rahuldsarker.co/calculators/no-show-rate-revenue-restorer

Discovered
organic_traffic_value_monetizer

Value organic search traffic in ad-equivalent spend (clicks x CPC), and split out the non-branded portion that represents genuine, defensible SEO value. See the full version at https://rahuldsarker.co/calculators/organic-traffic-value-monetizer

Discovered
page_speed_leak_calculator

Estimate the extra conversions and revenue recovered by cutting page load time, using an industry-average per-second conversion penalty. See the full version at https://rahuldsarker.co/calculators/page-speed-leak-calculator

Discovered
paid_search_intent_tier_grader

Grade a list of search keywords into transactional, commercial, or informational intent tiers, and flag the wasted-intent share. See the full version at https://rahuldsarker.co/calculators/paid-search-intent-tier-grader

Discovered
performance_marketing_margin_protector

Calculate the break-even and maximum CPA that protect a target profit margin, and check current CPA against that ceiling. See the full version at https://rahuldsarker.co/calculators/performance-marketing-margin-protector

Discovered
pipeline_velocity_equation_engine

Calculate sales velocity, the revenue your pipeline generates per day, from open opportunities, win rate, deal value, and cycle length. See the full version at https://rahuldsarker.co/calculators/pipeline-velocity-equation-engine

Discovered
post_ios14_blended_attribution_modeler

Compare summed platform-claimed revenue against actual backend revenue to quantify over-reporting and the true blended ROAS. See the full version at https://rahuldsarker.co/calculators/post-ios14-blended-attribution-modeler

Discovered
ppc_click_volume_predictor

Predict monthly clicks, conversions, and effective CPA from budget, CPC, and conversion rate, and check whether volume clears the ~50 weekly conversions platforms need to exit learning. See the full version at https://rahuldsarker.co/calculators/ppc-click-volume-predictor

Discovered
pricing_elasticity_sandbox

Model how a price change affects volume, revenue, and gross profit given a price elasticity of demand. See the full version at https://rahuldsarker.co/calculators/pricing-elasticity-sandbox

Discovered
pricing_page_architecture_grader

Score a pricing page's choice architecture across six weighted criteria (tiers, highlighting, anchoring, comparison, CTA, billing toggle) into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/pricing-page-architecture-grader

Discovered
product_led_growth_feasibility_grader

Score whether a product can support a self-serve, product-led growth motion, versus a hybrid or sales-led approach, across 5 weighted criteria. See the full version at https://rahuldsarker.co/calculators/product-led-growth-feasibility-grader

Discovered
product_market_fit_scoring_grader

Score product-market fit signals (the "very disappointed" test, retention, organic pull, NPS) into a weighted 0-100 PMF score and scale-readiness verdict. See the full version at https://rahuldsarker.co/calculators/product-market-fit-scoring-grader

Discovered
product_tour_effectiveness_grader

Model a multi-step product tour funnel from start through completion to activation, and flag the biggest drop-off step. See the full version at https://rahuldsarker.co/calculators/product-tour-effectiveness-grader

Discovered
product_usage_frequency_grader

Grade product stickiness from DAU/MAU into bands from idle tab to daily utility. See the full version at https://rahuldsarker.co/calculators/product-usage-frequency-grader

Discovered
read_content

Get the full text of one rahuldsarker.co article or case study, by its slug or URL (from search_content), so you can quote it accurately. Always cite the returned link.

Discovered
renewals_pipeline_health_grader

Grade an account renewal on weighted 90-day signals (adoption, sponsor strength, support sentiment, realised value) and quantify ARR at risk. See the full version at https://rahuldsarker.co/calculators/renewals-pipeline-health-grader

Discovered
request_callback

Send the person's name, email, phone and what they need help with to Rahul D Sarker, who replies directly. Only use when the person asks to be contacted. Where the client supports forms, they review and submit the details themselves; otherwise show them the details and set confirmed only after they agree. To pick a call time instead, use check_availability.

Discovered
retargeting_pool_size_estimator

Estimate the addressable retargeting pool from monthly visitors, window, and match rate, plus the budget needed to hit a target weekly frequency. See the full version at https://rahuldsarker.co/calculators/retargeting-pool-size-estimator

Discovered
revops_maturity_benchmarker

Score RevOps maturity across five dimensions (systems, attribution, governance, forecasting, automation) on a 1-4 scale and identify the weakest area. See the full version at https://rahuldsarker.co/calculators/revops-maturity-benchmarker

Discovered
roas_calculator

Calculate ROAS, ACOS, break-even ROAS, and profit from ad revenue, ad spend, and gross margin. See the full version at https://rahuldsarker.co/calculators/roas

Discovered
roas_to_mer_converter

Compare a platform-reported ROAS against your true blended Marketing Efficiency Ratio (MER) to see how much pixels over-claim. See the full version at https://rahuldsarker.co/calculators/roas-to-mer-converter

Discovered
rto_adjusted_roas_calculator

Work out ROAS after Return-to-Origin (RTO) on cash-on-delivery orders: delivered revenue, RTO cost, RTO-adjusted ROAS and effective cost per delivered order. See the full version at https://rahuldsarker.co/calculators/rto-adjusted-roas-calculator

Discovered
rule_of_40_sandbox

Add YoY revenue growth and profit margin to see if a SaaS business clears the Rule of 40 benchmark. See the full version at https://rahuldsarker.co/calculators/rule-of-40-sandbox

Discovered
run_calculator

Run any rahuldsarker.co calculator by its tool name (from find_calculator). Inputs you leave out are asked of the person directly when the client supports forms; otherwise the result lists what to ask for.

Discovered
saas_churn_cohort_visualizer

Project how a customer cohort decays over time under a monthly churn rate, and the implied average customer lifespan. See the full version at https://rahuldsarker.co/calculators/saas-churn-cohort-visualizer

Discovered

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Probe history

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Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected582 ms124