AL MCP Server
Provides AI assistants with complete visibility into AL dependencies and symbols by exposing compiled .app files through the Model Context Protocol, enabling smart object discovery, deep code analysis, and reference tracking for Business Central development.
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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StefanMaron
Source: Glama · also listed on npm
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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.
al_search_objectsSearch AL objects in YOUR WORKSPACE (.app packages). Analyzes compiled AL code structure. Use summaryMode:true & limit for token efficiency. For complex objects prefer al_get_object_summary. Supports domain filtering.
al_get_object_definitionGet AL object definition from YOUR WORKSPACE. Retrieves compiled code structure by ID or name. Use summaryMode:true for token efficiency. Use limits for large objects.
al_find_referencesFind object/field references in YOUR WORKSPACE. Tracks extensions, variables, parameters, field usage, and table relations across all object types.
al_search_object_membersSearch procedures, fields, controls, or dataitems within an object in YOUR WORKSPACE. Unified search for all object child elements.
al_get_object_summary✅ TOKEN EFFICIENT: Get categorized overview of AL object in YOUR WORKSPACE. Intelligent procedure grouping with 96% token reduction vs full definition.
al_packagesPackage management: load compiled .app packages, list loaded packages, or get stats. Auto-discovers .alpackages if path provided.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
glob CLI: Command injection via -c/--cmd executes matches with shell:true
yauzl contains an off-by-one error
AL_CLI_PATHTool 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
6/6 tools missing one or more hints — al_search_objects (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); al_get_object_definition (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); al_find_references (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +3 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.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
Only 0/6 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
1 child_process call — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 4 high severity in production deps — @modelcontextprotocol/sdk@1.17.4 (high), @modelcontextprotocol/sdk@1.17.4 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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