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FlowCastle

by ai.flowcastle

install_module

Idempotent

Install an exact marketplace module version into an application and create any missing installed-template actions. Requires the manage_automation permission. Call get_module_catalog first to select the module and version, then get_module_details after installation to inspect setup requirements and installed action references. Safe to re-run: installing a version that is already installed only fills in missing template actions rather than duplicating them. Modules with manual setup fields still need an operator to enter credentials in the dashboard before their actions will run.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
moduleKeyYesRequired. The module's stable key from get_module_catalog.
applicationIdNoApplication (workspace) id. Optional: an application-scoped key (app_...) defaults to its own application, but a personal key (usr_...) has no default and omitting it fails with MCP_APPLICATION_REQUIRED. Call list_applications to get the id.
moduleVersionYesRequired — the exact version string to install, as listed by get_module_catalog. There is no implicit "latest"; pick a concrete version.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Disclosure goes beyond annotations: explains idempotency (re-running does not duplicate), mentions manual setup needs, and warns about credential requirements. Annotations already hint at idempotency, but the description adds vital behavioral details.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four sentences with logical flow: purpose, permission, workflow, idempotency, and post-install concerns. Slightly verbose but each sentence earns its place. Could tighten wording.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers prerequisites, workflow, idempotency, and follow-up steps. Lacks error scenarios (e.g., invalid moduleKey), but overall adequate for a 3-param tool with no output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. Description adds significant value: links moduleKey to get_module_catalog, explains applicationId default logic (app_ vs usr_ keys), and stresses that moduleVersion must be exact with no implicit latest.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it installs an exact module version and creates missing template actions. It distinguishes from sibling tools like get_module_catalog (selection) and get_module_details (post-install inspection) by mentioning them in the workflow.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states required permission (manage_automation), recommends calling get_module_catalog first and get_module_details after, and notes idempotency and manual setup fields. This provides comprehensive when-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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TDQS

A4.1/5.0
Disambiguation4/5

Each get_/list_ tool targets a distinct resource and the descriptions carefully separate similar pairs like get_application_context vs get_workspace_summary and get_broadcast_details vs get_broadcast_analytics. The main ambiguity is apply_actions vs validate_actions, since one runs the other's validation, but the descriptions make that relationship explicit.

Naming Consistency4/5

Names consistently follow verb_object snake_case and use familiar verbs like create, get, list, and update. Minor deviations such as read_messages instead of list_messages, apply_actions/validate_actions with plural nouns, and run_flow_autotest are still predictable and readable.

Tool Count2/5

33 tools exceeds the 25-tool threshold and makes the surface feel heavy, even though the domain is broad. Many of the read-only getters are individually useful but could be consolidated, such as merging module catalog/details or workspace/application context.

Completeness4/5

Core workflows are covered: application lifecycle, flow editing through apply_actions, deployment, contacts, broadcasts, modules, and message/event reads. Minor gaps exist, such as no dedicated delete for contacts, applications, or broadcasts, and no rollback for deployments, but agents can work around or avoid these.

Resources