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FlowSentry

Server Details

Security scanner for n8n workflows: 18 rules, OWASP Agentic mapped. Free MCP, paid x402 API.

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Status
Healthy
Last Tested
Transport
Streamable HTTP
URL
Repository
vasilicasijarvis/flowsentry
GitHub Stars
0

Available Tools

2 tools
list_rulesList RulesAInspect

List all 18 FlowSentry security rules with severity and OWASP Agentic mapping.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription
resultYes

TDQS

A4/5.0
Behavior3/5

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

With no annotations provided, the description carries the full burden. It states that the tool lists rules and mentions the content, but it does not describe side effects, return format, or whether any state changes occur.

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

Conciseness5/5

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

The description is a single, focused sentence with no redundant or extraneous information. It is concise and well-structured.

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?

The description is complete for a zero-parameter listing tool and includes the key output aspects (severity and OWASP mapping). With an output schema present, it adequately covers what an agent needs to invoke it.

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?

The tool has zero parameters, so the baseline is 4. The description appropriately does not need to explain parameter semantics.

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 the action (List), the specific resource (all 18 FlowSentry security rules), and the included details (severity and OWASP Agentic mapping). This distinguishes it from the sibling tool scan_workflow.

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

Usage Guidelines3/5

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

The description indicates the tool lists all rules, but it does not explicitly state when to use it versus alternatives. There is no mention of conditions or exclusions, so guidance is implied rather than explicit.

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

scan_workflowScan WorkflowAInspect

Scan one n8n workflow JSON export (string) and return the findings report.

Accepts the raw workflow object ({'nodes': [...], ...}) or the CLI export wrapper ({'name':..., 'workflow': {...}}). Max 512 KB.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameNouploaded-workflow
workflow_jsonYes

Output Schema

ParametersJSON Schema
NameRequiredDescription
resultYes

TDQS

A3.6/5.0
Behavior3/5

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

With no annotations, the description is the sole behavioral disclosure. It usefully states the accepted payload shapes, the 512 KB maximum, and that a report is returned, but it does not explicitly address side effects, permissions, or error behavior. 'Scan' implies read-only, but that is not made explicit.

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

Conciseness5/5

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

Two compact sentences with no filler: the main action is front-loaded, and the input constraints follow immediately. Every sentence earns its place.

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?

Return values are presumably covered by the output schema, so no return explanation is needed. The description covers the required input form, wrapper variants, and size limit; the only notable gap is the purpose of the optional name parameter. Overall, near-complete for the tool's moderate complexity.

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

Parameters3/5

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

Schema description coverage is 0%, so the description must compensate. It adds meaningful detail for workflow_json by explaining the two acceptable JSON shapes and the size limit. However, it does not explain the optional name parameter's role, leaving partial compensation.

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

Purpose4/5

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

States a specific action ('Scan one n8n workflow JSON export') and a clear output ('return the findings report'), identifying the resource and deliverable. It does not explicitly contrast with the sibling list_rules, but the scanning verb and workflow target are specific enough to mostly differentiate it.

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

Usage Guidelines3/5

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

Provides concrete input guidance by describing accepted raw workflow objects and CLI export wrappers, plus a size cap. It does not say when to choose this tool over list_rules or any alternative, leaving that to the agent's inference.

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 2 tool updates
    • First observedlist_rules
    • First observedscan_workflow

Frequently Asked Questions

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Glama MCP Gateway

Add one secure layer between your agents and this server.

TDQS

A3.9/5.0
Disambiguation5/5

The two tools have completely distinct purposes: one lists security rules, the other scans a workflow. There is no overlap or ambiguity in their functions.

Naming Consistency5/5

Both tool names follow a consistent verb_noun pattern (list_rules, scan_workflow), which is clear and predictable.

Tool Count3/5

With only two tools, the server feels minimal for its domain. While the tools cover the core actions, the count is on the low end of typical scope, making it borderline.

Completeness4/5

The two tools provide a complete workflow for understanding rules and running scans. Minor gaps exist (e.g., no per-rule detail view), but agents can work around them using the list output.