context-mapper-mcp (thijs-hakkenberg/contextmapper_mcp) is an MCP server listed on the M8ven Trust Index. It scores 56 out of 100, grade D. It declares 47 tools. No publisher has claimed this listing.
An MCP server for managing Domain-Driven Design models using Context Mapper's CML, with tools to create, update, and visualize bounded contexts, aggregates, and relationships.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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Source: Glama
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
cml_create_modelCreate a new empty CML model
cml_load_modelLoad a CML model from a file
cml_save_modelSave the current model to a file
cml_validate_modelValidate the current CML model
cml_get_model_infoGet information about the current model
cml_list_bounded_contextsList all bounded contexts in the model
cml_get_bounded_contextGet detailed information about a bounded context
cml_list_aggregatesList all aggregates, optionally filtered by context
cml_get_aggregateGet detailed information about an aggregate including entities, value objects, events, and commands
cml_find_elementsSearch for elements by name pattern (regex supported)
cml_list_relationshipsList context map relationships
cml_create_context_mapCreate a context map for the model
cml_create_bounded_contextCreate a new bounded context
cml_update_bounded_contextUpdate a bounded context
cml_delete_bounded_contextDelete a bounded context and its relationships
cml_create_aggregateCreate a new aggregate in a bounded context
cml_update_aggregateUpdate an aggregate
cml_delete_aggregateDelete an aggregate
cml_add_entityAdd an entity to an aggregate
cml_add_value_objectAdd a value object to an aggregate
cml_add_identifierCreate an ID Value Object following DDD best practices. Use this instead of primitive String IDs to properly model identifiers as Value Objects.
cml_add_domain_eventAdd a domain event to an aggregate
cml_add_commandAdd a command to an aggregate
cml_add_serviceAdd a domain service to an aggregate
cml_delete_entityDelete an entity from an aggregate
cml_delete_value_objectDelete a value object from an aggregate
cml_delete_domain_eventDelete a domain event from an aggregate
cml_delete_commandDelete a command from an aggregate
cml_delete_serviceDelete a service from an aggregate
cml_batch_add_elementsBatch creation of multiple domain objects (entities, value objects, identifiers, events, commands, services) in a single call. More efficient than individual calls. Validates all elements before creating any.
cml_create_relationshipCreate a relationship between bounded contexts. Types: Partnership, SharedKernel (symmetric), UpstreamDownstream (asymmetric with optional OHS/PL upstream patterns and ACL/CF downstream patterns)
cml_update_relationshipUpdate a relationship
cml_delete_relationshipDelete a relationship
cml_get_relationshipGet details of a specific relationship
cml_generate_context_map_diagramGenerate a PlantUML context map diagram
cml_generate_aggregate_diagramGenerate a PlantUML class diagram for an aggregate
cml_generate_full_diagramGenerate a PlantUML diagram of the full domain model
cml_generate_context_map_imageGenerate Context Map visualization (PNG/SVG) using Context Mapper CLI. Requires Java 17+ and CLI (auto-downloaded on first use).
cml_generate_mdslGenerate MDSL microservice contracts from Context Map upstream-downstream relationships. Requires Java 17+ and CLI.
cml_generate_from_templateGenerate output from a custom Freemarker template. Requires Java 17+ and CLI.
cml_generate_glossaryGenerate ubiquitous language glossary (Markdown) from domain model using bundled template. Requires Java 17+ and CLI.
cml_generate_jhipster_jdlGenerate JHipster JDL from domain model using bundled template. Requires Java 17+ and CLI.
cml_generate_full_reportGenerate comprehensive domain documentation (Markdown) using bundled template. Requires Java 17+ and CLI.
cml_cli_statusCheck Context Mapper CLI and Java availability status
cml_configure_cliConfigure CLI settings (paths, Java home, output directory, timeout)
cml_download_cliDownload and install the Context Mapper CLI from Maven Central
cml_list_generatorsList all available generators and their availability status
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
node-tar: Decompression/parse DoS via unlimited input
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
node-tar Vulnerable to Arbitrary File Creation/Overwrite via Hardlink Path Traversal
Arbitrary File Read/Write via Hardlink Target Escape Through Symlink Chain in node-tar Extraction
node-tar is Vulnerable to Arbitrary File Overwrite and Symlink Poisoning via Insufficient Path Sanitization
JAVA_HOMETool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
47/47 tools missing one or more hints — cml_create_model (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cml_load_model (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cml_save_model (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +44 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool test coverage
Only 0/47 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Production dependencies are patched
1 critical, 8 high severity in production deps — tar@7.0.0 (critical), @modelcontextprotocol/sdk@1.0.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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