384 templates · page 4 of 4
Mermaid templates
Versatile text-to-diagram language. Renders flowcharts, sequence, class, ER, state, gantt, mindmap, sankey, C4, packet, architecture, kanban, radar, treemap, venn, wardley, eventmodeling and 30+ more. Paste any Mermaid snippet — fully compatible.
Library Management Schema (ER)
Members, books, copies, and loans.
Data & SchemaDecision Tree — Should I Refactor?
A quick heuristic for deciding whether to refactor code now.
Flow & ProcessProduct Roadmap (Timeline)
A quarter-by-quarter product roadmap.
Project & PlanningHiring Process
From application to offer, with decision gates.
Operations & OpsCustomer Support Triage
Routing inbound tickets by severity and type.
Operations & OpsWeekly Time Allocation (Pie)
Where the 168 hours of a week go — tune for your own schedule.
Project & PlanningEssay Plan (Mind Map)
Structure an argumentative essay before you write.
Research & AcademicRequirements (Mermaid)
Requirements and the elements that satisfy them.
UML & SoftwarePatient Care Journey
A patient's experience from arrival to discharge.
Operations & OpsHospital Schema (ER)
Patients, doctors, appointments, and prescriptions.
Data & SchemaGit: Rebase vs Merge (Decision)
A quick guide to choosing rebase or merge.
Flow & ProcessStrategy Pattern (UML Class)
Interchangeable algorithms behind a common interface.
UML & SoftwareTCP Connection States
Simplified TCP connection lifecycle as a state machine.
UML & SoftwareStartup Funding Stages (Timeline)
From idea to IPO across funding rounds.
Business & StrategySocial Network Schema (ER)
Users, posts, follows, and likes.
Data & SchemaIncident Response Runbook — Severity to Postmortem
On-call flow from alert to postmortem, branching on severity.
Flow & ProcessOAuth 2.0 Authorization Code Flow — Simplified
Sequence of the OAuth authorization-code grant.
UML & SoftwareE-commerce ER Diagram
Customers, orders, line items and products.
Data & SchemaProduct Launch Plan (Gantt)
Build, test and launch phases with a go-live milestone.
Project & PlanningMachine Learning Pipeline
From raw data to a monitored, deployed model.
AI & PipelinesResearch Project Timeline (Gantt)
Literature, method, data collection and write-up phases.
Research & AcademicGit Branching Model
Feature branch off develop, released to main.
Operations & OpsCompany Milestones (Timeline)
Founding, growth and scale milestones.
Business & StrategyRisk Assessment Matrix
Likelihood versus impact quadrant chart.
Operations & OpsSystem Context (Mermaid C4)
A C4 context diagram for a payments platform.
ArchitectureReturns (RMA) Flow
Processing a customer return request.
Operations & OpsSaga Pattern (Mermaid Sequence)
Distributed transaction with compensating actions.
ArchitectureE-commerce Domain (Mermaid Class)
Customer, order, item and product classes.
UML & SoftwareCheckout Flow (Mermaid)
Cart to confirmation with auth and payment.
Flow & ProcessTwo-Factor Login (Mermaid Sequence)
Password plus one-time code sign-in.
UML & SoftwareTraffic by Source (Pie)
Share of website traffic by channel.
Data & SchemaInventory ER Diagram (Mermaid)
Warehouses, products, stock and suppliers.
Data & SchemaSMED Changeover Reduction (Injection Moulding)
Sorts changeover elements into internal and external work, then converts and streamlines them to hit a sub-ten-minute press changeover.
Lean & FlowAndon Escalation (Final Assembly Line)
The fixed-position stop escalation ladder on a 58-second takt assembly line, from cord pull to plant manager.
Lean & FlowA3 Problem Solving (Warehouse Pick Errors)
A full plan-do-check-act A3 that takes warehouse mispicks from one line in 240 to one in a thousand.
Lean & FlowCold-Chain Temperature Excursion (Vaccine Depot)
How a depot quarantines, assesses and dispositions a vaccine pallet after a 2-8 C excursion alarm.
Operations & OpsRefinery Turnaround Schedule (Crude Unit)
A 24-day crude unit shutdown from feed cut to feed-in, with inspection findings driving the repair scope.
Operations & OpsSOX Key Control Testing Cycle
Scoping through walkthrough, sampling by control frequency and deficiency severity to the audit committee report.
Risk & ReliabilityBusiness Continuity Invocation (Card Payments)
States a payment processor moves through when authorisation success rate degrades, including regulator notification past the two-hour RTO.
Risk & ReliabilityRAG Evaluation Harness
Splits retrieval and generation metrics against a frozen 420-question golden set so a regression is attributed to the right stage.
AI & PipelinesCredit Scoring Model Lifecycle
A regulated model's states from development through independent validation, shadow running and PSI-triggered recalibration or redevelopment.
AI & PipelinesMotor Claim Triage Agent (Tool Routing)
A tool-calling agent that pulls policy and fraud signals on first notification of loss, then escalates to a human adjuster above threshold.
AI & PipelinesQuote to Cash (Enterprise Software)
A discounted three-year deal moving through CPQ approval, contracting, ERP billing and a collections flag at day 41.
Business & StrategyCorporate Treasury Onboarding Journey
Scored client experience of onboarding a corporate treasury relationship, where due diligence is the low point of the journey.
Business & StrategyIdempotent checkout and payment recovery
Models duplicate submissions and uncertain payment outcomes without treating a timeout as a decline. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsTransactional outbox and consumer deduplication
Shows atomic outbox creation, at-least-once delivery and idempotent consumption. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
ArchitectureAuthorization code exchange with PKCE
Separates browser state validation, PKCE binding and resource-server authorization. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
ArchitectureGrounded answer with evidence review
Traces permissions and claim-level support through a retrieval workflow rather than implying retrieval guarantees truth. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
AI & PipelinesCollaborative edit with version conflict
Preserves local edits and makes concurrent changes visible before a merged save. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaWebhook verification and replay protection
Includes raw-body signature validation, replay controls and durable acceptance before acknowledgement. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
ArchitectureLease-based job processing and fencing
Shows why lease expiry alone is insufficient and stale workers need fencing at the resource. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
ArchitectureProvenance-checked artifact promotion
Keeps the tested artifact digest stable across staging and production promotion. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsDeletion request across dependent stores
Coordinates deletion receipts and explicit retention exceptions without inventing a universal retention deadline. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaIndependent screening and disagreement resolution
Preserves independent decisions and records the reason for each adjudicated screening outcome. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicCredential rotation with overlap window
Separates preparation, compatibility overlap, migration verification and irreversible old-key revocation. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
ArchitectureDataset quality quarantine and release
Models corrected snapshots and withdrawal separately from initial validation. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaEngineering change control lifecycle
Distinguishes change authorization, implementation and verified acceptance. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Project & PlanningConsent capture, withdrawal and expiry
Treats purpose changes as requiring review and avoids equating silence with consent. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaIncident escalation and stable recovery
Requires stable observation after recovery and allows regression back to containment. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsModel validation and monitored rollout
Separates offline evaluation, shadow traffic, canary rollout and later drift response. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
AI & PipelinesAsset commissioning and defect closure
Preserves hold points and distinguishes physical installation from operational acceptance. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Project & PlanningInventory reservation, expiry and reconciliation
Covers reservation timeout and inspection before returned stock becomes available. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsManuscript revision and editorial decision
Shows reviewer replacement, revision loops and editorial verification without assuming every revision is accepted. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicOffline document synchronization states
Preserves dirty local content through transient failures and explicit conflict resolution. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaTenant membership and delegated authorization
Represents tenant-scoped membership, many-to-many permissions and attributable resource access. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaProcurement bids, evaluation and award audit
Retains evaluator declarations and bid-level scoring alongside final awards; uniqueness rules need database enforcement. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaEvidence records, reports, studies and claims
Separates indexed records, published reports and underlying studies to prevent double counting. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicData products, versions and transformation lineage
Models many-input transformations and immutable output versions with rule-level quality results. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaAsset hierarchy, work orders and parts
Connects hierarchical assets with task staffing, consumed parts and independent inspection evidence. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsCompetency-aligned curriculum and assessment
Traces learning evidence from submissions through rubric criteria to program competencies. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaMetered usage, rating and invoice reconciliation
Keeps raw usage, versioned pricing and issued billing records separate for reproducible reconciliation. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Business & StrategyLaboratory specimen chain of custody
Preserves specimen-to-aliquot identity and distinguishes assay results from quality-control results. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicModel registry and reproducible evaluation
Connects immutable model artifacts to evaluation configurations, approvals and observed deployment windows. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
AI & PipelinesProject baseline, variations and actual costs
Keeps baseline versions, actual costs and authorized changes independently auditable. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Project & PlanningService recovery with severity and entitlement checks
Combines incident escalation, ordinary support and a user-confirmed recovery loop. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsEvidence claim support and contradiction review
Requires scope alignment and conflict review before a source is treated as claim support. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicDatabase migration rehearsal and rollback gate
Separates reversible routing from later schema retirement and requires backfill reconciliation. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Data & SchemaForecast production with leakage and drift checks
Uses time-aware evaluation and monitors interval coverage as well as point accuracy. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
AI & PipelinesTender evaluation with conflict and arithmetic checks
Keeps published criteria, recusals, clarifications and arithmetic verification visible. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Business & StrategyScope change impact across cost, schedule and benefits
Links decision-making to baseline updates and implementation evidence, including bounded emergency work. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Project & PlanningReproducible analysis release gate
Requires independent numerical agreement and clean-environment reproduction before release. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Research & AcademicSupplier disruption response and substitution
Balances stock coverage, qualified substitution, demand allocation and incoming inspection. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Operations & OpsAccess recertification with owner and exception handling
Ends with live permission reconciliation rather than treating owner attestation as completed revocation. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Risk & ReliabilityProduct experiment guardrails and decision record
Separates instrumentation validation, guardrail monitoring and the prespecified outcome analysis. Original worked design example; adapt responsibilities, thresholds and assumptions to your system.
Business & Strategy