// MCP TOOL REFERENCE

ENGINEERING MCP SERVER TOOLS

72 tools from the Engineering MCP Server MCP Server, categorised by risk level.

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// ALL 72 ENGINEERING MCP SERVER TOOLS
READ 39 tools
Read sfiles_parse_and_validate [Available via model_tx_apply or direct call] Parse SFILES string and validate against regex patterns. See ... Read dexpi_validate_model [Available via model_tx_apply or direct call] Validate P&ID for engineering rules and referential integrity... Read graph_analyze_topology Analyze graph topology including paths, cycles, bottlenecks, and connectivity Read graph_calculate_metrics Calculate graph metrics like diameter, density, clustering coefficient Read graph_compare_models Compare graph structures of two models Read graph_detect_patterns Detect common patterns like heat integration, recycle loops, parallel trains Read graph_find_paths Find paths between nodes in the graph Read layout_get Get a stored layout by ID Read layout_list List layouts, optionally filtered by model Read layout_load_from_file Load layout from project file into store Read layout_validate Validate a layout against its schema and optionally check consistency with source model. Read project_list List all models in a project Read project_load Load a model from a git project Read query_model_statistics [DEPRECATED] Get statistical summary of model contents. Use search_execute(query_type= Read schema_describe_class [DEPRECATED] Get detailed information about a specific class including attributes, methods, and inheritance... Read schema_find_class [DEPRECATED] Search for classes by partial name or pattern. Use schema_query(operation= Read schema_get_hierarchy [DEPRECATED] Get the inheritance hierarchy for a class or category. Use schema_query(operation= Read schema_list_classes [DEPRECATED] List all available classes in DEXPI or SFILES schemas. Use schema_query(operation= Read schema_query Unified schema introspection tool - consolidates all schema_* operations Read search_by_attributes [DEPRECATED] Search for components by attribute values. Use search_execute(query_type= Read search_by_stream [DEPRECATED] Search for streams by properties or connected units. Use search_execute(query_type= Read search_by_tag [DEPRECATED] Search for equipment, instruments, or nodes by tag pattern. Use search_execute(query_type= Read search_by_type [DEPRECATED] Search for components by type (e.g., all pumps, all heat exchangers). Use search_execute(query... Read search_connected [DEPRECATED] Find all components connected to a specific node. Use search_execute(query_type= Read search_execute Unified search tool - consolidates all search_* operations Read search_instances Find all instances of specified DEXPI class types in a model. Returns equipment inventory/search results wi... Read sfiles_canonical_form [Available via model_tx_apply or direct call] Convert SFILES string to canonical form for comparison. See d... Read sfiles_pattern_helper Get SFILES regex patterns and syntax examples Read sfiles_to_string [Consolidated into model_save] Convert flowsheet to compact SFILES string format. See docs/FEATURE_PARITY_M... Read sfiles_visualize Generate visualization of SFILES flowsheet with optional stream/unit tables. Returns HTML (interactive), SV... Read template_get_schema Get parameter schema and metadata for a template Read template_list List available templates from the library Read validate_model Run comprehensive validation on a model. NOTE: Read validate_round_trip Validate round-trip conversion integrity Read visualize_list_renderers List available visualization renderers and their capabilities Read visualize_model Generate visualization of a model. Routes to appropriate renderer based on format and availability. Returns... Read dexpi_export_graphml [Consolidated into model_save] Export P&ID topology as machine-readable GraphML. See docs/FEATURE_PARITY_MA... Read dexpi_export_json [Consolidated into model_save] Export P&ID model as JSON. See docs/FEATURE_PARITY_MATRIX.md for migration g... Read sfiles_export_networkx Export flowsheet as NetworkX graph JSON
WRITE 29 tools
Write area_deploy Deploy a template into a model (STRATEGIC operation - replaces 50+ atomic calls) Write model_tx_begin Start a transaction on a model for atomic multi-operation changes Write model_combine Merge multiple DEXPI models into one combined model. Combines all tagged plant items, instrumentation, and ... Write model_load Import a model from various formats (JSON, Proteus XML, SFILES string) - Replaces dexpi_import_json, dexpi_... Write project_init Initialize a new git-tracked project for engineering models Write sfiles_generalize [Available via model_tx_apply or direct call] Generalize SFILES flowsheet by removing unit numbers for patt... Write bfd_to_pfd_plan Generate PFD expansion options for a BFD block. Write dexpi_add_control_loop [Available via model_tx_apply or direct call] Add complete control loop with signal generating, control, an... Write dexpi_connect_components [Available via model_tx_apply or direct call] Create piping connections between equipment and instruments. ... Write dexpi_convert_from_sfiles [Available via model_tx_apply or direct call] Convert SFILES flowsheet to DEXPI P&ID model. See docs/FEATUR... Write dexpi_create_pid [Consolidated into model_create] Initialize a new DEXPI P&ID model with metadata. See docs/FEATURE_PARITY_M... Write dexpi_import_json [Consolidated into model_load] Import P&ID model from JSON. See docs/FEATURE_PARITY_MATRIX.md for migration... Write dexpi_import_proteus_xml [Consolidated into model_load] Import P&ID model from Proteus 4.2 XML file. See docs/FEATURE_PARITY_MATRIX.... Write graph_connect Smart autowiring with patterns and optional inline components Write graph_modify Apply tactical graph modifications (10 actions: insert/update/remove component, inline insertion, segment o... Write layout_save_to_file Save layout to project file for persistence Write layout_update Update an existing layout with optimistic concurrency control. Requires etag to prevent concurrent modifica... Write model_create Create a new model (DEXPI P&ID or SFILES flowsheet) - Replaces dexpi_create_pid and sfiles_create_flowsheet Write model_save Export a model to various formats (JSON, GraphML, SFILES string) - Replaces dexpi_export_json, dexpi_export... Write model_tx_apply Apply one or more operations within an active transaction - Uses operation registry for type-safe dispatch Write model_tx_commit Commit or rollback a transaction - Returns diff and validation summary Write project_save Save a model to a git project with version control Write sfiles_add_control [Available via model_tx_apply or direct call] Add control instrumentation to flowsheet. See docs/FEATURE_PA... Write sfiles_add_stream [Available via model_tx_apply or direct call] Add a stream connecting two units. See docs/FEATURE_PARITY_MA... Write sfiles_add_unit [Available via model_tx_apply or direct call] Add a unit operation to the flowsheet. See docs/FEATURE_PARIT... Write sfiles_convert_from_dexpi [Available via model_tx_apply or direct call] Convert DEXPI P&ID model to SFILES flowsheet. See docs/FEATUR... Write sfiles_create_flowsheet [Consolidated into model_create] Initialize a new flowsheet for BFD or PFD. See docs/FEATURE_PARITY_MATRIX.... Write sfiles_export_graphml [Consolidated into model_save] Export flowsheet topology as GraphML. See docs/FEATURE_PARITY_MATRIX.md for ... Write sfiles_from_string [Consolidated into model_load] Create flowsheet from SFILES string. See docs/FEATURE_PARITY_MATRIX.md for m...
DESTRUCTIVE 1 tools
Destructive layout_delete Delete a layout from the store
EXECUTE 3 tools
Execute layout_compute Compute layout for a model using ELK. Produces orthogonal edge routing suitable for P&ID diagrams. Execute model_batch_apply Execute multiple operations in a single call for efficiency Execute rules_apply Apply validation rules and return structured issues for LLM processing. Optionally auto-fix issues.

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// FAQ
How many tools does the Engineering MCP Server MCP server have? +

The Engineering MCP Server MCP server exposes 72 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on Engineering MCP Server tools? +

Route the Engineering MCP Server server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Engineering MCP Server tools fall into? +

Engineering MCP Server tools are categorised as Read (39), Write (29), Destructive (1), Execute (3). Each category has a recommended default policy.

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