Kimi MCP Server
Server Quality Checklist
Latest release: v0.2.0
- Disambiguation5/5
Each tool has a clearly distinct purpose: from single queries (ask-kimi) to batch processing, code review, brainstorming, background tasks, planning, file ingestion, sandboxed delegation, session management, and server info. No two tools overlap in functionality.
Naming Consistency3/5Most tools use lowercase with hyphens (e.g., ask-kimi, batch-kimi), but there are inconsistencies: some are single words (ping, health, version), 'Help' is capitalized, and patterns vary between verb-noun and noun-verb. The naming is readable but not fully consistent.
Tool Count5/5With 14 tools, the server provides a comprehensive interface to the Kimi CLI, covering core interactions (query, batch, planning, code review, brainstorming), background tasks, file digestion, sandboxed delegation, and management. The count feels well-scoped for its purpose.
Completeness4/5The tool surface covers the major workflows expected from a CLI-based coding assistant: interactive queries, batch processing, code review, planning, brainstorming, file ingestion, and sandboxed execution. Minor gaps might include a direct file-editing tool, but the existing tools enable comprehensive automation.
Average 3.8/5 across 14 of 14 tools scored. Lowest: 2.3/5.
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.
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If the server belongs to an organization, first add
glama.jsonto the root of your repository:{ "$schema": "https://glama.ai/mcp/schemas/server.json", "maintainers": [ "your-github-username" ] }Then . Browse examples.
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Servers are automatically synced at least once per day, but you can also sync manually at any time to instantly update the server profile.
To manually sync the server, click the "Sync Server" button in the MCP server admin interface.
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?
The description offers no behavioral context beyond what annotations already declare (readOnlyHint, idempotentHint). It adds no new information about side effects, safety, or operational behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is extremely concise with a single word. While efficient, it could be more informative without losing conciseness. It earns its place but is minimal.
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 tool with no required parameters, annotations present, and no output schema, the description is adequate but could be more complete. It does not explain the tool's role as a connectivity check or how it relates to sibling tools.
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 the parameter 'prompt' described as 'Message to echo'. The description 'Echo' adds no additional meaning, so baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose2/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'Echo' provides minimal clarity. It suggests the tool returns the input but does not explicitly state a specific verb-resource action like 'test connectivity'. Compared to siblings like 'health' or 'help', the purpose is vague.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines1/5Does the description explain when to use this tool, when not to, or what alternatives exist?
No usage guidelines are provided. The description does not indicate when to use this tool over alternatives such as 'health' or 'metrics', nor does it specify any prerequisites or context.
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?
The description mentions delete/clear actions, which align with the destructiveHint: true annotation. However, it does not disclose additional behavioral details such as the effect of deletion, whether sessions are persistent, or any authentication requirements. With annotations already signaling destructiveness, the description adds minimal extra context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence that conveys the tool's dual purpose (listing and managing) without redundancy. Every word earns its place, making it highly efficient and easy to parse.
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 tool having multiple actions including destructive ones, the description does not explain when to use each action, what 'active' means, or what metadata is returned. An output schema exists but its contents are not visible; the description could still provide a brief summary of return structure. This is incomplete for a tool of this complexity.
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%, so the input schema already describes both parameters and the action enum. The description adds no additional meaning beyond what is in the schema, so a baseline score 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 lists active conversation sessions with metadata, and can also manage them via delete/clear. This is specific and accurate. However, it does not differentiate from sibling tools that might also involve sessions, such as 'bg-kimi' or 'health'.
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 guidance on when to use this tool versus its siblings (e.g., ask-kimi, batch-kimi). It also lacks context on when to use the list action versus delete or clear, leaving the agent to infer from the schema.
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?
Annotations already indicate destructiveHint and openWorldHint. The description adds context about safety controls but does not elaborate on destructive behaviors or side effects. It partially compensates by mentioning session resume and MCP passthrough.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single sentence that efficiently lists key features without verbosity. It is front-loaded with the primary action, though the comma-separated list could be more structured for clarity.
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 the complexity (27 parameters) and absence of output schema, the description is too brief. It does not describe return values or expected output format, leaving gaps for an agent to fully understand the tool's behavior.
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?
Schema coverage is 100%, so baseline is 3. The description adds value by summarizing key parameter intents (e.g., '@syntax' for prompt, session resume for sessionId, MCP passthrough for mcpConfigFile), helping the agent understand high-level functionality beyond individual schema descriptions.
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 executes the Kimi Code CLI, specifying key features like file analysis, session resume, MCP passthrough, and safety controls. However, it does not explicitly differentiate from sibling tools such as plan-kimi or brainstorm, which may have overlapping capabilities.
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 guidance on when to use this tool versus alternatives like plan-kimi or brainstorm. Given the many sibling tools, explicit usage context is missing.
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?
Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint false, providing a clear safety profile. The description adds that it collects git diff and uses a structured review prompt, but this doesn't reveal new behavioral traits beyond what annotations cover.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness4/5Is the description appropriately sized, front-loaded, and free of redundancy?
Single sentence is efficient and includes essential information (git diff collection). Slightly more detail could be added without harming brevity, but it is well-structured.
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 9 optional parameters and no output schema, the description is brief but combined with the schema it provides adequate context for a tool that returns a review. However, it lacks guidance on output format or side effects.
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 covers all 9 parameters with descriptions, achieving 100% coverage. The description doesn't add parameter-specific meaning beyond what the schema provides, earning a baseline score of 3.
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 clearly states the tool runs a code review using Kimi by collecting git diff and a structured prompt. It distinguishes itself from siblings like ask-kimi or batch-kimi by specifying its action on repository changes.
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?
The description implies usage for code review but does not explicitly discuss when to use it versus siblings like ask-kimi or plan-kimi. No exclusions or alternatives are mentioned, leaving the agent to infer from context.
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?
Annotations indicate readOnlyHint=false and openWorldHint=true. Description adds context that the tool generates ideas and incorporates analysis, but does not elaborate on side effects, permissions, or data handling beyond what annotations provide.
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?
Single sentence that effectively conveys the tool's purpose and key features with no redundant or extraneous words. Every phrase 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?
Given the absence of an output schema and 12 parameters, the description provides high-level context (frameworks, domain, analysis) but does not explain the return format or how to iterate on results. Sufficient for basic understanding but not fully comprehensive.
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 schema fully documents all 12 parameters. The description mentions 'domain context' and 'feasibility analysis' which map to 'domain' and 'includeAnalysis' parameters, but does not add significant extra meaning beyond the schema.
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 clearly states verb 'Generate', resource 'creative ideas', and method 'structured frameworks with domain context and feasibility analysis'. This distinguishes it from sibling tools like ask-kimi (general Q&A) and plan-kimi (planning).
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?
Description implies usage for brainstorming with domain focus and analysis, but does not explicitly state when to use versus alternatives or provide exclusions. The context is clear but lacks explicit guidance on when not to use.
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?
The annotations already declare readOnlyHint, openWorldHint, and idempotentHint, which cover most behavioral aspects. The description adds the specific information returned ('version and system information'), but does not elaborate on response format or potential side effects, which is acceptable given the annotations and zero parameters.
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 extremely concise (7 words) and front-loaded with the key verb and resource. Every word earns its place with no redundancy or filler.
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?
Given zero parameters, comprehensive annotations, and the presence of an output schema, the description is complete. It succinctly states the tool's purpose without needing additional context.
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 no parameters, and the schema coverage is 100%. The description correctly omits parameter details since none exist, adhering to the baseline expectation for parameter-richness compensation.
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 clear verb 'display' and specifies the resource 'version and system information', making the purpose straightforward. However, it does not explicitly distinguish from sibling tools like 'health' or 'ping' that might also return system information, which slightly reduces clarity for nuanced selection.
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 guidance on when to use this tool over alternatives such as 'health' or 'ping'. An agent would need to infer usage from the name and context, which is insufficient for optimal tool 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?
Annotations already declare readOnlyHint=true and idempotentHint=true, indicating safe, idempotent behavior. The description adds no new behavioral context beyond stating it shows output. Since annotations cover the safety profile, a 3 is appropriate – adequate but no additional transparency.
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, direct sentence with no unnecessary words. It is perfectly concise and front-loaded.
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 simple, parameterless help tool, the description is complete. It fully explains the tool's purpose. No output schema exists, but the return value is implied. The description suffices.
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?
There are no parameters, and schema coverage is 100%. The description does not need to add parameter semantics. Baseline 4 is correct as the description adds no extra meaning beyond the empty schema.
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 'Show Kimi CLI help output' clearly states the verb and resource, specifying exactly what the tool does. It is not a tautology and distinguishes it from sibling tools like ask-kimi or version, which have different purposes.
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 vs alternatives. With 13 sibling tools, such guidance would help the agent choose correctly. The description offers no context for usage.
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?
Annotations already declare destructiveHint=true and openWorldHint=true. Description provides no additional behavioral details beyond the tool's batch nature. No contradiction.
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: first states purpose, second lists use cases. No redundant or extraneous information.
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 8 parameters and output schema, description covers core purpose. Could mention task atomicity or dependency handling for better completeness, but adequate.
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?
100% schema coverage means parameters are fully described in the schema. The main description adds no parameter-specific meaning beyond what the schema provides. Baseline 3 applies.
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?
Verbs 'Delegate multiple atomic tasks' clearly states action. 'to Kimi for batch processing' identifies resource and mode. Contrasts with sibling tools like ask-kimi (single) and brainstorm, making purpose distinct.
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?
Identifies ideal scenarios: repetitive operations, mass refactoring, automated transformations. No explicit when-not-to-use or alternatives, but the use cases imply batch nature vs. single-task siblings.
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?
Annotations (destructiveHint=true, readOnlyHint=false) indicate mutation and potential destruction. The description adds that tasks run detached, require polling, and can be stopped or removed, providing helpful behavioral context beyond annotations.
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 extremely concise: two sentences plus a list of subactions. It front-loads the core purpose and immediately follows with actionable subcommands, earning its place without fluff.
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 19 parameters, no output schema, and destructive behavior, the description provides adequate high-level context but lacks details on parameters and return values. It is minimally sufficient for an agent but leaves gaps for complex usage.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters2/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 53%, leaving many parameters (e.g., cd, addDirs, thinking) undocumented in both schema and description. The description lists subactions and a few parameter contexts (e.g., --yolo, prompt required for start) but fails to explain many critical parameters, reducing value.
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 purpose: running Kimi CLI as a detached background task. It lists subactions (start, status, tail, stop, remove, list) and distinguishes it from synchronous siblings by emphasizing 'long-running autonomous work' and immediate return.
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 advises using this tool for long-running tasks and notes that the MCP call returns immediately for polling later. However, it does not explicitly state when not to use it or provide alternatives, missing clear exclusion criteria.
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?
The description complements annotations (readOnlyHint=false, destructiveHint=true, openWorldHint=true) by explaining the sandboxed workflow, autonomy via --yolo, and that changes require caller review. It adds context not in annotations, such as the task lifecycle (start, status, collect) and safety guarantees. However, it does not detail what happens on errors or cleanup behaviors beyond the 'cleanup' parameter.
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 concise (~60 words) and front-loaded with the core purpose. Each sentence adds information: autonomous execution, return value, collection step, and safety. No redundant or vague statements.
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 tool with 11 parameters, multiple actions (start, status, collect), and no output schema, the description covers the basic flow but leaves gaps. It explains start and collect, but not what status returns. It omits details on progress tracking or error states. The high parameter count and complexity warrant more completeness.
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 high (82%), so the baseline is 3. The description adds some semantic value by linking parameters to the workflow (e.g., 'Returns a taskId' explains the purpose of action 'start', and 'optionally looping against a test command' relates to autoTest). However, it does not provide additional meaning beyond what the schema already gives for most parameters.
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 purpose: 'Delegate an implementation task to Kimi in an isolated git worktree.' It uses specific verbs ('delegate') and resources ('Kimi', 'isolated git worktree'), and distinguishes from siblings like 'ask-kimi' (query) and 'plan-kimi' (planning) by emphasizing autonomous execution and sandboxed changes.
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 explains when to use the tool: for autonomous implementation tasks with a test loop, and that changes are sandboxed for later review. It implicitly contrasts with interactive siblings like 'ask-kimi' or 'review-changes'. However, it lacks explicit 'when not to use' or alternative tool recommendations.
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?
Annotations already declare readOnlyHint, idempotentHint, and openWorldHint, providing strong safety signals. The description adds behavioral context about what is checked (installation, auth, session), complementing the annotations without contradiction.
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 8-word sentence that front-loads the core action. No extraneous information; every word is necessary and earns its place.
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?
Given the presence of an output schema, the description need not explain return values. It covers the key components of the health check (installation, auth, session) and, combined with annotations, provides sufficient context for a diagnostic 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?
Schema description coverage is 100% and both parameters ('verbose', 'sessionId') are self-explanatory from the schema. The description adds no extra meaning beyond what is already captured in the schema, so baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb 'Check' and clearly identifies the resources: 'Kimi CLI installation, authentication, and session health'. It effectively distinguishes this diagnostic tool from siblings like 'ask-kimi' or 'ping' which are more interactive or focused on connectivity.
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?
The description implies usage for checking health status but lacks explicit guidance on when to use it over alternatives like 'ping' or 'metrics'. No mention of prerequisites or conditions for use.
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?
Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=true. The description adds behavioral context about the --plan mode and structured output parsing, without contradicting any annotations.
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, front-loaded with the purpose, and contains no superfluous information. Every sentence adds value.
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 no output schema, the description mentions the output structure (steps, files-to-touch, risks, open questions) and distinguishes from siblings. It could have briefly noted that it uses an external API, but overall it is complete enough for an AI agent.
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?
With 63% schema description coverage, the schema provides some parameter details, but the main description does not add any parameter information. It fails to compensate for the 37% of parameters without schema descriptions, especially model, timeout, and workingDir.
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 verb 'Generate' and the resource 'structured implementation plan', and explicitly distinguishes from sibling 'ask-kimi' by referencing the --plan flag and different system prompt.
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 BEFORE coding' and mentions the distinct sibling 'ask-kimi'. However, it does not explicitly list when not to use it or mention other potential alternatives like 'brainstorm'.
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?
Annotations already declare readOnlyHint and idempotentHint, indicating a safe and idempotent operation. The description adds that the output is in Prometheus format, which is useful behavioral context beyond what annotations provide.
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 that conveys the tool's purpose without any superfluous information. It is front-loaded and efficient.
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?
Given the tool has no parameters, no output schema, and is a simple metrics endpoint, the description is complete. It tells the agent what the tool does and what format the output takes, which is sufficient for correct invocation.
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 no parameters, and schema coverage is 100%. The description adds value by specifying the output format (Prometheus-formatted metrics), which compensates for the lack of parameter details.
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 exposes Prometheus-formatted metrics, which is a specific verb and resource. It distinguishes from sibling tools that perform different operations (asking, batching, health, etc.).
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?
The description implies the tool is for retrieving metrics for monitoring purposes, but it does not explicitly state when to use it versus alternatives or provide exclusion criteria. Usage 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.
- Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations declare readOnlyHint=true, destructiveHint=false. Description adds: walks directories, filters by extension, truncates oversized files, caps total payload. No contradictions.
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?
Three sentences, front-loaded with purpose, clear and efficient. No wasted words.
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?
Covers purpose, key behaviors, and constraints. Could be more specific about output format, but given no output schema, 'concentrated brief' is sufficient.
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?
Schema coverage is 73%. Description adds context by mentioning directory walking, extension filtering, truncation, and payload capping, which correspond to parameters. Adds value beyond schema.
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?
Clearly states it ingests many files and answers a focused question using Kimi's large context. Distinguishes from siblings like 'ask-kimi' by emphasizing bulk ingestion and focused answering.
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 says when to use: when files don't fit in the caller's context. Does not provide when-not or alternatives, but context is clear.
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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