mcp-luopan
Server Quality Checklist
Latest release: v0.1.0
- Disambiguation5/5
The two tools have clearly distinct purposes: one creates a new chart-reading session, the other handles follow-up questions within an existing session. There is no overlap or ambiguity.
Naming Consistency5/5Both tools follow a consistent verb_noun pattern with the prefix 'luopan_' (luopan_analyze, luopan_chat) in snake_case, making them predictable and easy to understand.
Tool Count5/5With only 2 tools, the server is tightly scoped to its purpose: initial analysis and follow-up chat. No unnecessary tools exist, and the count is perfect for the functionality provided.
Completeness5/5The tool set covers the complete lifecycle: creating a session with a full chart reading and asking up to 5 follow-up questions. No obvious gaps exist for the intended domain.
Average 5/5 across 2 of 2 tools scored.
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
- CI status not available
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
- Behavior5/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Despite no annotations, the description fully discloses behavioral traits: outputs, session expiration (2 hours), follow-up limit (5), and presentation instructions (translate terms, use persona).
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?
Well-structured with clear sections (title, note, output, presentation, session info). Slightly lengthy but every sentence adds value; no wasted words.
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 output schema exists, the description still adds valuable context about follow-ups, session expiration, and output fields. No notable gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters5/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 0%, but the description explains all 5 parameters with examples and ranges (e.g., year e.g. 1991, month 1-12, day 1-31, hour 0-23, gender 1=男, 0=女). This adds complete 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?
The description clearly states it produces a full destiny-chart reading for a birth moment. It distinguishes from the sibling tool luopan_chat by mentioning follow-up capability.
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 lists pre-call confirmations required from the user, warns about less precise hour, and explains session expiration and follow-up limit. Provides clear guidance on when to use this tool vs luopan_chat.
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 fully discloses behavior: backend-enforced limits, return fields with meanings, and lifecycle management. It clearly states what happens when limits are hit, meeting the full burden for behavioral 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 well-structured: purpose statement, runtime constraints, structured return fields, and actionable usage notes. Each sentence earns its place; no redundancy.
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 output schema not provided as structured input, the description enumerates return fields and their meanings. It fully explains the session lifecycle, restrictions, and expected behavior, providing complete context for an AI to use the tool correctly within the sibling ecosystem.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters5/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 0%, so description must add meaning. It explains session_id comes from prior luopan_analyze, and question provides usage tips ('specific events/years/topics yield better answers'). This adds significant value beyond the bare 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 clearly states the tool's purpose: 'Ask a follow-up question against an existing chart-reading session.' It specifies the resource (session) and verb (ask), and distinguishes from sibling tool luopan_analyze, which starts new sessions.
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 guides when to use (follow-up questions) and when not to (session expired or followup_remaining==0, then call luopan_analyze). It also details constraints (2-hour TTL, 5-question cap) and gives actionable advice (warn user when remaining==1).
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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- Evaluate tool definition quality.
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