Secure VPS Operations MCP Server

by ojoilesanmi

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Server Quality Checklist

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Latest release: v0.1.0
Disambiguation4/5
Most tools have clearly distinct purposes (system health, disk usage, containers, logs, services, nginx, SSL, database). There's minor overlap between get_system_health and get_disk_usage/get_service_status, but descriptions clarify the scope.
Naming Consistency5/5
All tool names follow a consistent verb_noun pattern (get_*, list_*, check_*) with snake_case throughout. The verbs are predictable and appropriate for the actions.
Tool Count5/5
8 tools is well-scoped for a VPS operations/monitoring server. Each tool addresses a distinct monitoring need without redundancy or bloat.
Completeness4/5
The server covers core VPS health checks (system, disk, containers, services, nginx, SSL, database) well. Minor gaps exist (e.g., no network health or process-level details), but the surface is sufficient for typical operational monitoring.
Average 3.6/5 across 8 of 8 tools scored. Lowest: 2.9/5.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 2 commits in the last 12 weeks
- No stable releases found
- No critical vulnerability alerts
- No high-severity vulnerability alerts
- No code scanning findings
- CI status not available
This repository is licensed under MIT License.
This repository includes a README.md file.
No tool usage detected in the last 30 days. Usage tracking helps demonstrate server value.
Tip: use the "Try in Browser" feature on the server page to seed initial usage.
Add a glama.json file to provide metadata about your server.
If you are the author, simply .
If the server belongs to an organization, first add glama.json to the root of your repository:
```
{
  "$schema": "https://glama.ai/mcp/schemas/server.json",
  "maintainers": [
    "your-github-username"
  ]
}
```
Then . Browse examples.
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How is the quality score calculated?

The overall quality score combines two components: Tool Definition Quality (70%) and Server Coherence (30%).

Tool Definition Quality measures how well each tool describes itself to AI agents. Every tool is scored 1–5 across six dimensions: Purpose Clarity (25%), Usage Guidelines (20%), Behavioral Transparency (20%), Parameter Semantics (15%), Conciseness & Structure (10%), and Contextual Completeness (10%). The server-level definition quality score is calculated as 60% mean TDQS + 40% minimum TDQS, so a single poorly described tool pulls the score down.

Server Coherence evaluates how well the tools work together as a set, scoring four dimensions equally: Disambiguation (can agents tell tools apart?), Naming Consistency, Tool Count Appropriateness, and Completeness (are there gaps in the tool surface?).

Tiers are derived from the overall score: A (≥3.5), B (≥3.0), C (≥2.0), D (≥1.0), F (<1.0). B and above is considered passing.

Tool Scores

Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It does not explain what 'recent' means, what happens with a non-allowlisted container, whether logs are streamed or returned in a batch, or any limiting behavior. The single sentence provides minimal behavioral context.
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 sentence with no fluff, front-loaded with the verb and resource. It is appropriately concise and easy to parse.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the presence of an output schema, return value details are covered, but the lack of annotations, 0% schema parameter coverage, and a one-line description mean important execution context is missing. For a simple read operation, the description still leaves gaps around parameter semantics, error behavior, and usage prerequisites.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters1/5
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, but it does not. Neither the 'container' parameter nor the 'lines' parameter is explained. The description only mentions 'recent logs', which does not clarify that 'lines' controls the number of lines returned, nor how the container identifier should be specified.
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 uses a specific verb ('Return') and clearly identifies the resource ('recent logs for an allowlisted Docker container'). This distinguishes it from sibling tools like get_system_health or list_containers, and the 'allowlisted' qualifier adds useful scoping.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided on when to use this tool versus alternatives, when not to use it, or any prerequisites beyond the implicit 'allowlisted' status. There is no mention of using list_containers first to find a container name or of error conditions for non-allowlisted containers.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It mentions the 'allowlisted' constraint, which hints at possible domain restrictions, but doesn't disclose what happens for non-allowlisted domains, whether the check is a live network lookup, or any side effects or rate limits. It's too sparse to be transparent.
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 filler. It front-loads the verb and object, making it immediately parsable. The brevity is appropriate for a simple tool, though it sacrifices depth.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool is simple with a single parameter and an output schema exists, so return values are presumably documented. However, the description omits critical usage context such as the allowlist enforcement behavior, possible error conditions, and when to choose this over the sibling tools. It's minimally complete but leaves clear gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters2/5
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. The only hint is 'allowlisted domain' which suggests that the domain parameter must be pre-approved, but it doesn't explain the format, any constraints (e.g., FQDN vs URL), or what values are acceptable. The parameter name 'domain' is self-explanatory but the description adds little beyond that.
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 uses the verb 'Return' and clearly specifies the resource ('certificate expiry details') and scope ('allowlisted domain'). It clearly distinguishes from sibling tools which target system health, containers, logs, and database status—none of which relate to SSL certificate details.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no guidance on when to use this tool versus alternatives. It doesn't mention any exclusions or prerequisites other than the implied 'allowlisted domain' constraint, which isn't elaborated as a usage condition. There are no explicit 'when to use' or 'instead of' statements.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must carry the full burden of behavioral disclosure. It merely says 'run validation' without explaining whether the tool is read-only, what it validates specifically, what the output format is, or how to interpret success/failure. This is insufficient for an agent to anticipate side effects or return values.
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?
The description is a single, efficient sentence with no fluff. It is concise but may be under-specified; however, for a zero-parameter tool, this length is appropriate.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool is simple with no parameters, and an output schema exists, so returning details are covered. However, the description gives no context on when to run this validation or what the output represents, leaving the agent without enough information to decide when 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?
There are zero parameters, so schema coverage is trivially 100%. Per the rubric, a baseline of 4 applies when no parameters exist. The description adds no parameter-related detail, but none is needed.
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 a specific action ('Run nginx configuration validation') and locates it ('on the VPS'). This verb+resource+scope construction distinguishes it from sibling tools like system health or SSL expiry checks.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is given about when to use this tool versus alternatives. It does not mention typical use cases (e.g., after nginx config edits) or when other diagnostic tools would be more appropriate.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It states 'return health information' which implies a read-only operation, but it does not disclose potential side effects, authentication requirements, or behavior when the database is not allowlisted.
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, front-loaded sentence that immediately conveys the action and resource. Every word is meaningful and there is no redundancy.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool is simple with only one parameter and an output schema exists, but the description lacks usage guidance and behavioral transparency. It is minimally viable but leaves gaps in understanding what happens in edge cases or how to choose this over siblings.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters2/5
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema has 0% parameter coverage. The description adds the 'allowlisted' constraint and indicates the parameter is a database name, but does not provide format details or further semantic meaning beyond the schema's basic string type.
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 uses the specific verb 'return' and identifies the resource as 'health information' for an 'allowlisted PostgreSQL database', which clearly distinguishes it from sibling tools like get_system_health or get_service_status.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides clear context that this tool is for PostgreSQL database health, implying when it should be used. However, it does not explicitly mention alternatives or when not to use it, but the scope is clear enough for a simple health check.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It does not explicitly state that the operation is read-only, nor does it mention potential side effects, permissions, or return format. The verb 'Return' implies a safe query, but important behavioral details are absent.
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, concise sentence that directly states the tool's purpose with no unnecessary words or repetition.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness5/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool is a simple no-parameter query with an output schema present. The description sufficiently communicates what the tool does, and the output schema covers return value details. Nothing more is needed.
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?
This tool has zero parameters, so the schema has no parameter details to explain. The baseline for 0-param tools is 4, and the description does not need to add 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 ('Return') and the resource ('filesystem usage for the VPS'). It effectively distinguishes this tool from siblings like get_system_health or check_database_health by focusing specifically on disk usage.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
No guidance is provided about when to use this tool versus alternatives. The description only states what the tool does without any context, exclusions, or mention of sibling tools.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses the allowlist constraint, implying the tool will fail for non-allowlisted services, but it does not specify required permissions, rate limits, or the exact return behavior beyond the output schema. The read-only nature is implicit in 'status' but not 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?
The description is a single sentence of seven words, front-loaded with the verb and resource. It contains no filler or redundant information, earning a perfect score for conciseness.
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?
For a simple one-parameter tool with an output schema, the description is largely complete: it identifies the resource, the constraint, and implicitly the parameter. It does not detail the allowlist mechanism or possible errors, but the output schema covers return values, so this is acceptable. Slight deduction for not fully explaining the allowlist behavior.
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 schema provides no description for the 'service' parameter, and schema description coverage is 0%. The description adds meaning by clarifying that the parameter is the name of an allowlisted service, which is a key constraint not evident from the schema alone. It does not provide format examples but compensates for the schema gap.
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 tool returns systemd status for a service, with a specific constraint (allowlisted). The verb 'Return' and resource 'systemd status' are unambiguous, and the 'allowlisted' scoping distinguishes it from sibling tools like get_system_health or list_containers.
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 implies the tool is for checking systemd service status, but it does not explicitly state when to use it versus alternatives or mention any exclusions. It provides context by naming the resource and constraint, but lacks explicit guidance on alternative selection.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the burden of behavioral disclosure. It accurately states the tool returns a summary, strongly implying a read-only operation, but it does not explicitly confirm non-destructiveness, mention any required permissions, or describe what 'health' means in terms of thresholds. The lack of disclaimers or caveats leaves some ambiguity, but the description is not misleading.
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?
A single, front-loaded sentence that efficiently lists all key information. No wasted words, and the structure is immediately understandable.
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?
Given the tool's simple purpose, zero parameters, and the presence of an output schema (as indicated by context signals), the description provides sufficient context. It clearly enumerates the subsystems covered, though it could have added a note about its relationship to more specific sibling tools for enhanced completeness. That gap prevents a 5.
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, and the input schema is an empty object (100% schema coverage). Per the rubric, a baseline score of 4 applies when there are no parameters, as there is nothing further the description needs to explain about arguments.
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 begins with the specific verb 'Return' and names the exact resource: a 'health summary' covering CPU, memory, load, disk, and service health. This clearly differentiates it from siblings like get_disk_usage (disk only) and get_service_status (services only).
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 tool's role as a high-level overview is implied by listing multiple subsystems, but the description does not explicitly say when to use this instead of more specific siblings, nor does it mention any exclusions or prerequisites. Usage context is implied but not stated.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It indicates a read-only operation ('List') and adds that it only returns 'allowlisted' containers with status, which is useful context. However, it does not explain what 'allowlisted' means or any potential failure conditions, leaving some ambiguity.
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, concise sentence that clearly states the tool's purpose. No unnecessary words or fluff, making it highly scannable and appropriately sized.
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 tool is simple (no parameters) and an output schema exists, so the description doesn't need to explain return values. The only notable gap is the undefined term 'allowlisted', which may require additional context to fully understand the tool's scope. Otherwise, it is complete for a basic listing tool.
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 0 parameters and the schema has 100% coverage (empty object), so the description has no parameter details to add. According to the rubric, 0 parameters sets a baseline score of 4, and the description does not interfere with that.
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 uses the specific verb 'List' with the resource 'Docker containers' and scope 'allowlisted', making it clear what the tool does. It also includes 'status', which distinguishes it from sibling tools like get_container_logs (which retrieves logs) and get_service_status (which checks services).
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 implies the usage scenario (when you need to see allowlisted containers and their status) but does not explicitly state when to use it over alternatives. There are no exclusions or mentions of other tools like get_container_logs, so it is not fully differentiated.
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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