toolradar-mcp

Server Quality Checklist

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Latest release: v1.0.1
Disambiguation4/5
Each tool has a distinct primary purpose: listing categories, searching, getting details, comparing, finding alternatives, and retrieving pricing. However, get_tool and get_pricing overlap in that both can provide pricing information, which may cause occasional confusion about which to use for detailed pricing data.
Naming Consistency5/5
All tool names follow a consistent verb_noun pattern using lowercase snake_case (list_categories, search_tools, get_tool, compare_tools, get_alternatives, get_pricing). The verbs are clear and the nouns match the resource being acted on.
Tool Count5/5
With 6 tools, the set is well-scoped for a software directory service. Each tool covers a distinct aspect of discovery, comparison, and detail retrieval without unnecessary redundancy or bloat.
Completeness5/5
The tool surface covers the core lifecycle of software exploration: discovering categories, searching, viewing details, comparing, finding alternatives, and getting pricing. There are no obvious gaps for the intended read-only directory use case.
Average 4/5 across 6 of 6 tools scored.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 7 commits in the last 12 weeks
- No stable releases found
- No critical vulnerability alerts
- No high-severity vulnerability alerts
- No code scanning findings
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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.
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}
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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

Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full transparency burden. It discloses the kinds of information returned (tiers, pricing model, trial, verdict), but lacks detail on behavior such as error handling for unknown slugs, response format, or whether authentication is required. This partial disclosure is acceptable but not comprehensive.
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 efficiently conveys the tool's purpose and the key output categories. Every word earns its place, with no redundancy or unnecessary detail.
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 single-parameter lookup, the description covers the main output areas effectively. However, the absence of an output schema makes the lack of explicit mention of edge cases (e.g., unknown slug behavior) or the return structure a minor gap. Overall, it is sufficiently complete for most use cases.
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?
The input schema fully describes the sole parameter 'slug' with an example, achieving 100% schema coverage. The description adds no additional parameter-specific semantics, so the baseline score of 3 is appropriate.
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 that the tool retrieves detailed pricing information, listing specific content such as tiers, pricing model, free trial availability, and expert verdict. This effectively distinguishes it from sibling tools like get_tool or compare_tools by focusing uniquely on pricing details.
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?
Usage is implied rather than explicit. The description suggests using this tool when pricing information is needed, but it does not provide explicit guidance on when to prefer it over get_tool or other alternatives, nor does it mention when not to use it.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It clearly identifies a read-only lookup by using 'Get' and enumerates the response contents, but it does not address edge cases such as invalid slugs, error behavior, or whether any authentication is required. Still, for a simple retrieval tool, the behavioral profile is reasonably 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?
A single well-structured sentence that front-loads the action and then lists what is included. No wasted words.
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 effectively explains what data will be returned and indicates the need for a slug. It lacks explicit guidance on choosing between get_tool and the more specialized siblings, and has no output schema, but the one-parameter contract plus content list makes it mostly complete.
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?
The input schema already has 100% coverage for the single slug parameter, including examples and guidance to use search_tools first. The tool description adds no parameter-level semantics beyond calling it 'a specific software tool', so the schema carries the meaning.
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?
The description uses a specific verb ('Get') and resource ('detailed information about a specific software tool') and enumerates the included fields. It does not explicitly distinguish this from siblings like get_pricing or get_alternatives, which overlap with the listed contents.
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 this is for retrieving details about a single known tool, but it does not provide explicit when/when-not guidance or mention sibling tools. The only usage hint ('Use search_tools first if you don't know the slug') lives in the schema parameter description, not in the tool description.
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 return size limit ('up to 10') and sort order ('sorted by editorial score'), but it does not explicitly state that this is a read-only operation or mention any other behavioral traits like error handling or rate limits.
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 that is concise and front-loaded. It efficiently conveys the core purpose and key output characteristics without any unnecessary words.
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 read-only listing tool with two well-documented parameters and no output schema, the description and schema together provide sufficient context. It covers the purpose, the return limit, and the sort order, making the tool's behavior predictable.
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 coverage is 100%, with both 'slug' and 'limit' fully described in terms of type, constraints, and examples. The description adds little beyond the schema, only rephrasing the slug concept and the default limit, so baseline 3 is appropriate.
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 ('Get') and the resource ('alternatives and competitors for a specific software tool'), which distinguishes it from siblings like get_tool or search_tools. It precisely communicates the tool's purpose with no ambiguity.
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 implies when to use this tool: when you need alternatives or competitors for a specific software product. It doesn't explicitly contrast with sibling tools like compare_tools, but the context is clear enough that an agent can infer the appropriate use case.
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 burden of disclosure. It discloses the return fields and database size, but lacks details about default sort order, pagination, or behavior with an empty query. This is a moderate level of transparency, not a full disclosure.
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 two concise sentences: the first states the main function, the second lists the output fields. Every word earns its place with no redundant or vague content.
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?
Combined with the thorough schema, the description conveys the tool's purpose, scope, and return structure, making it complete enough for invocation. However, it could be more complete by noting that all parameters are optional and providing guidance on selecting this tool over siblings, e.g., for broad searches vs. retrieving a single tool.
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?
The input schema fully documents all five parameters with descriptions, including enums for sort and pricing, and a range for limit, so the schema already provides comprehensive parameter semantics. The description adds no additional parameter details, warranting the baseline score of 3.
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's purpose: searching and filtering software tools from a large database. It specifies the resource (Toolradar's database) and the return fields (names, descriptions, pricing, scores, categories), which distinguishes it from sibling tools like list_categories and get_tool.
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 implies usage for finding tools via search/filter criteria, which is clear context. However, it does not explicitly state when to prefer this tool over alternatives or when not to use it, such as when a specific tool ID is known (get_tool) or when comparing tools (compare_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?
With no annotations provided, the description carries the burden of behavioral disclosure. It states the tool 'lists all software categories' and includes 'tool counts,' giving some insight into the output. However, it doesn't mention return format, pagination, or authentication requirements. For a 0-parameter read operation, this is adequate but not rich.
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 two sentences, front-loaded with the primary action ('List all software categories'), and every word contributes meaning. No filler or redundant information.
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 0-parameter listing tool with no output schema, the description covers the essential points: it lists all categories, includes tool counts, and explains the intended purpose (discovering valid slugs). It doesn't mention ordering or response shape, but the simple nature of the tool makes this a minor gap.
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 doesn't need to explain parameters. It adds value by mentioning the tool counts and slug discovery purpose, which helps the agent understand the result's utility. Schema coverage is trivially 100%.
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's function: 'List all software categories available on Toolradar with tool counts.' It also specifies a distinct use case: 'Use this to discover valid category slugs for the search_tools filter,' which distinguishes it from sibling tools like search_tools and get_alternatives.
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 explicitly says to use this tool 'to discover valid category slugs for the search_tools filter,' providing clear context for when it's appropriate. It doesn't explicitly exclude other tools, but the intended usage is unambiguous and sufficient for a simple listing tool.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior4/5
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 return shape: pricing, scores, pros/cons, and computed insights. It does not discuss side effects or permissions, but for a read-only comparison tool this is adequate. Slightly more context on edge cases would push it to 5.
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 sentences, front-loaded with the core purpose, followed by the output details. No redundant words or filler. Every sentence earns its place.
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?
For a single-parameter tool with no output schema, the description is complete: it states what it does, the tool count range, and the key fields in the response. An agent has enough information to invoke it correctly without requiring additional clarification.
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 coverage is 100% with a clear description for the 'slugs' parameter. The description reinforces the 2-4 range and tool context but adds no new syntax or format details beyond the schema. Baseline 3 is appropriate.
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?
Description clearly states 'Compare 2 to 4 software tools side by side' with a specific verb and resource. It distinguishes from siblings like get_tool (single tool) and get_alternatives (alternatives rather than head-to-head comparison).
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?
Provides clear context: use when a side-by-side comparison of multiple tools is needed. It does not explicitly name alternatives or state when not to use it, but the purpose is clear enough for an agent to select it appropriately.
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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