Context-MCP
Server Quality Checklist
Latest release: v1.0.0
- Disambiguation5/5
Each tool targets a distinct action on the context knowledge base: add, get, search, update, delete, relate, stats, focus, and summarize. There is no meaningful overlap; even get and search serve clearly separate purposes (broad optimized view vs. targeted query).
Naming Consistency5/5All tool names follow a uniform 'context_' prefix followed by a simple verb (add, get, search, update, delete, relate, stats, focus, summarize). This is a perfect example of consistent verb_noun convention.
Tool Count5/5With 9 tools, the server is well-scoped. Each tool is meaningful and contributes to the overall context management workflow without redundancy or bloat. This is an ideal size for the stated purpose.
Completeness5/5The tool set covers the full lifecycle of context entries: create (add), read (get), update, delete, search, linking (relate), statistics, focus management, and summarization. There are no obvious dead ends or missing core operations.
Average 3.5/5 across 9 of 9 tools scored. Lowest: 2.8/5.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 0 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.
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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?
Without annotations, the description carries the full burden of behavioral disclosure. It merely states 'Update' without detailing mutation behavior, partial update support, required fields, or error outcomes.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single declarative sentence, immediately identifying the tool's purpose without any filler or redundancy.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness1/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a mutation tool with 7 parameters and no output schema, the description provides no information about return values, update semantics, or validation rules, making it inadequate for correct invocation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters1/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is only 14% (only 'id' has a description), and the description does not compensate by explaining the other parameters (tags, level, title, content, category, priority) or their expected formats.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses the specific verb 'Update' and identifies the resource as 'an existing context entry,' clearly distinguishing it from sibling tools like context_add, context_get, and context_delete.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does 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 over alternatives, nor any prerequisites or exclusions. The description only states the action, leaving the agent to infer usage from the tool name.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It only states the action 'Delete' without mentioning permanence, irreversibility, side effects, error handling, or permission requirements, leaving the destructive nature undisclosed.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence with zero wasted words, immediately stating the action and target. It is appropriately sized for a tool with a simple input schema.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Despite the simple input schema, the description lacks essential context for a destructive operation. It does not explain what happens on deletion (e.g., permanence, cascading effects, or behavior for non-existent IDs), and there is no output schema or annotations to compensate.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% with the 'id' property already described as 'ID of the entry to delete'. The description adds no additional parameter semantics beyond what the schema provides, so the baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses the specific verb 'Delete' and the resource 'context entry', clearly distinguishing it from sibling tools like context_get, context_add, and context_update. The intent is unambiguous.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides no when-to-use guidance, alternatives, or exclusions. It does not mention prerequisites, such as verifying existence, or when to prefer context_update over context_delete.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description provides no behavioral traits beyond the generic verb 'create'. With no annotations provided, it fails to disclose whether the relationship is directed, idempotent, or requires existing entries. This is a significant gap for a mutation tool, as the agent cannot anticipate side effects or constraints.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, front-loaded sentence that immediately states the action and resource. No unnecessary words or repetition. It is appropriately sized for a tool with only two self-explanatory parameters.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The description covers the basic purpose and the schema covers parameters, but it lacks crucial contextual information: return behavior, directionality of the relationship, and any validation or side effects. With no output schema and no annotations, this is incomplete for an agent to safely invoke the tool in all cases.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% with clear descriptions for both parameters ('Source entry ID' and 'Target entry ID'). The tool description does not add additional meaning beyond what the schema already provides, so the baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description states a specific verb ('Create') and resource ('relationship between two context entries'), clearly distinguishing it from sibling tools like context_add or context_update, which deal with entries themselves. 'For better navigation' adds context without clouding the primary action.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No explicit guidance on when to use this tool versus alternatives. The description implies it is for creating relationships, but it does not mention prerequisites (e.g., entries must exist), nor does it contrast with context_add or context_update. The agent is left to infer usage from the name and purpose.
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, and the description does not disclose behavioral traits such as read-only nature, output format, or potential performance impact. It only states the basic action, leaving the agent to assume safety and behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, concise sentence with no redundant words. It is front-loaded with the core action and resource, making it highly efficient.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has no output schema and no parameter documentation, so the description should explain what statistics are returned. It only says 'statistics about the context database' without listing metrics or structure, leaving the output ambiguous.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has zero parameters, so the schema is fully covered by default, and there is no parameter information in the description. With 0 parameters, the baseline score of 4 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('Get') and identifies the resource ('statistics about the context database'), which distinguishes it from sibling tools like context_get or context_search that focus on individual records. However, it could be more specific about what statistics are covered.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No explicit guidance is provided on when to use this tool versus alternatives. The phrase 'Get statistics' implies usage for aggregate data, but no context or exclusions are mentioned, making the usage implied rather than clearly delineated.
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 of disclosing behavior. It does reveal that the search includes archived context, which is a useful behavioral trait. However, it does not explicitly state whether the search is read-only (though implied), nor does it mention any limitations, return format, or permissions. For a search tool, the read-only nature is fairly intuitive, but more disclosure would be expected.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two concise sentences: the first states the action and resource, the second adds usage guidance and a key behavioral fact. There is no redundant or vague wording, and the information is front-loaded perfectly.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given that there is no output schema and no annotations, the description is somewhat sparse. It does not describe what the response looks like, how results are ordered, or how to handle empty results. While the core search functionality is clear, the lack of return format details and filtering behavior leaves gaps for an agent selecting and invoking the tool.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema provides descriptions for all four parameters, including the default for limit and full-text search support for query. The description does not add any parameter-specific semantics beyond what the schema already documents, so the baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states that the tool searches for context in the knowledge base, using the specific verb 'search' and identifying the resource. It also notes the scope 'across all levels including archived context,' which adds precision. However, it does not explicitly differentiate from sibling tools like context_get, so it misses the highest tier.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides clear usage context: 'Use when you need detailed information about a specific topic.' It also implies a comprehensive search capability by including archived context. However, it does not mention when not to use this tool or name specific alternatives, so it lacks explicit exclusions.
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 full burden. It does not disclose whether this operation is read-only or has side effects, permissions required, or the return format. The agent cannot infer if summarizing affects the underlying context store.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
Two concise sentences, front-loaded with the main action ('Generate') and followed by useful use cases. No filler or redundancy.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
The tool has a simple parameter set and no output schema, but the description omits return value expectations and potential side effects. While purpose and usage are covered, the agent remains uncertain about what to expect as a result, making it only minimally complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, with clear descriptions for both 'since' and 'max_tokens'. The description adds no extra parameter-level detail, but given full schema coverage, a baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
Description uses a specific verb ('generate') and resource ('compressed summary of recent context'), clearly distinguishing it from sibling tools like context_add, context_get, and context_delete. The purpose is immediately evident.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly states when to use: 'for creating checkpoints or when context is getting too large.' This provides clear context, though it does not explicitly mention alternatives or when not to use it. The use cases are sufficient to guide 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 does disclose an important non-obvious behavior: 'The entry will be automatically categorized and compressed for efficient retrieval.' This alerts the agent that content is not stored verbatim. However, it omits other behavioral details like permissions, idempotency, or return behavior, leaving moderate gaps.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences: first states the action, second gives usage guidance, third discloses automatic behavior. It is front-loaded with the primary purpose and contains no filler or redundant restatements of the tool name.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's moderate complexity (6 parameters, 3 required, enums) and the rich schema, the description adds necessary behavioral context (automatic categorization/compression) and usage context. It does not explain what happens after creation (e.g., how to find the entry, whether an ID is returned), but given no output schema, this is a minor gap. Overall, adequately complete for an add operation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so the parameters are already well-documented in the schema. The description adds minimal parameter-specific meaning beyond the schema—only the general hint that entries relate to 'decisions, patterns, or information.' It does not explain how parameters like category, level, or priority interact with the automatic categorization/compression behavior, so it stays at the baseline.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's action ('Add new context entry to the knowledge base') and specifies the resource (knowledge base). It also gives examples of what to use it for ('important decisions, patterns, or information'). It does not explicitly contrast with sibling tools like context_get or context_update, but 'add new entry' inherently distinguishes it from non-add operations.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides explicit usage direction: 'Use this to remember important decisions, patterns, or information about the project.' This gives clear context for when to call the tool. However, it does not mention when not to use it or point to alternatives such as context_search for retrieval or context_update for modifications, so it lacks exclusions.
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. It discloses the mutating action ('Set') and the effect ('optimizes which context is loaded'), but it does not mention persistence, reversibility, side effects on other context tools, or return values. This is acceptable but minimal for a setter.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
Two short sentences: the first states the action, the second provides the usage context. No wasted words, front-loaded with the primary purpose, and every sentence earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness3/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple setter with two parameters and no output schema, the description covers the what and when. However, it lacks details on behavioral scope (e.g., whether focus persists, affects other context tools) and interaction with the sibling tools. It is functional but leaves the agent to infer some implications.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, with both parameters (task, modules) having descriptions. The description itself adds no additional parameter semantics, but the schema already provides the necessary meaning. Baseline 3 is appropriate because the description does not compensate or enhance what the schema already supplies.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's function with a specific verb and resource: 'Set the current work focus.' It also explains the benefit ('optimizes which context is loaded') and distinguishes itself from sibling tools by focusing on the 'focus' action rather than adding, searching, or modifying context entries.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides a clear usage context: 'Call this when switching between different areas of the project.' This tells the agent when to use it, though it does not explicitly list alternatives or when-not conditions. The sibling tool names imply alternatives, making the guidance sufficient but not exhaustive.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior5/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description provides full behavioral disclosure: outlines the hierarchical CORE/ACTIVE/ARCHIVE structure, token sizes, inclusion criteria, and token-efficiency optimization, which goes beyond the schema and helps the agent understand expected behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is well-structured with bullet points and token counts, conveying necessary information in a compact format. Every sentence adds value, such as the usage directive and the hierarchy breakdown.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness5/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a read tool with no output schema, the description sufficiently explains the returned structure and tells the agent how to access archived details via context_search. It is complete for typical use cases.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, with adequate descriptions for both parameters. The tool description adds no additional parameter meaning, so the baseline of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states 'Get the current project context' with a specific verb and resource, and differentiates from siblings by mentioning ARCHIVE is available via context_search. This distinguishes it from other context operations.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines5/5Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly states 'Use this at the start of conversations to understand the project' and points to context_search for detailed archive retrieval, giving clear when-to-use and alternative 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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