psx-mcp
Server Quality Checklist
Latest release: v0.1.1
- Disambiguation5/5
Each tool targets a distinct aspect of PSX data: announcements, dividends (various forms), indices, market status, quotes, and symbol search. No two tools have overlapping purposes.
Naming Consistency4/5Most tools follow a 'get_' prefix (get_announcements, get_quote, etc.), but 'screen_dividend_stocks' and 'search_symbols' use different verbs. The pattern is mostly consistent with minor deviations.
Tool Count5/5Nine tools is well-scoped for a stock exchange data server, covering essential functions without being overly numerous or sparse.
Completeness4/5The tool set covers quotes, indices, market status, dividends (history, upcoming, screening, buy deadline), announcements, and symbol search. Missing historical prices or detailed corporate actions, but adequate for typical queries.
Average 4.2/5 across 9 of 9 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
- Last stable release on
- No critical vulnerability alerts
- No high-severity vulnerability alerts
- No code scanning findings
- CI is passing
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
- 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. It mentions the limit cap (100) but does not disclose other behaviors such as rate limits, authentication requirements, or that it is a read-only operation. Adequate but not detailed.
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 and well-structured: a one-sentence purpose, followed by bullet-like parameter descriptions, and a note on output content. No unnecessary 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?
The tool is simple with two optional parameters and an existing output schema. The description covers the output fields and parameter defaults. Minor gaps: no mention of ordering (e.g., most recent first) or error scenarios.
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?
The input schema has 0% description coverage, but the description fully compensates: it explains 'symbol' as a ticker filter (e.g., OGDC) and 'limit' with default 20 and cap 100, adding meaning beyond the schema's titles and defaults.
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 recent corporate announcements from PSX,' specifying the verb, resource, and scope. It distinguishes from sibling tools like get_quote and get_dividend_history by focusing on announcements.
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 does not provide explicit guidance on when to use this tool versus alternatives. It only describes optional parameters without stating when not to use it or suggesting other tools for different needs.
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 provided, so description carries burden. Mentions 'fuzzy search' but does not detail behavior like ranking, number of results, or whether it searches exact names. Adds some value but incomplete.
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 sentences, front-loaded with purpose, zero wasted words. 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?
Has output schema so return values need not be explained. Description provides a useful example but could elaborate on fuzzy matching behavior or search scope. Overall adequate.
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 0%, so description must compensate. It does not mention parameters at all. Schema shows query and limit clearly, but description adds no extra meaning beyond what schema already provides.
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 'Fuzzy search PSX symbols and company names', specifying the verb 'search', the resource 'PSX symbols and company names', and the method 'fuzzy'. It distinguishes from siblings which are about announcements, dividends, etc.
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 concrete example ('habib bank' -> 'HBL') indicating when to use: when user names a company casually. No explicit when-not or alternatives, but sibling tools are clearly different so guidance is sufficient.
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 provided, so description carries full burden. It correctly indicates a read operation (getting history) with no mention of destructive effects. Missing details on rate limits, error handling, or auth requirements, but acceptable for a simple read tool.
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 (three lines) with no fluff. Purpose is front-loaded, and parameter details follow in a clean docstring format.
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?
Tool has an output schema (context signal true), so description need not explain return value. Parameter coverage is adequate. With siblings listed, the tool's role is clear. Minor gap: no mention of default year behavior or error cases.
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 description coverage is 0%, so description adds vital meaning: 'symbol' is a PSX ticker and 'years' is how many years of history with default 5. This goes beyond the schema's bare types.
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 retrieves historical dividend payouts for a symbol, using specific verb 'Get' and resource 'historical dividend payouts'. It distinguishes from sibling tools like get_upcoming_dividends (future dividends) and get_quote (current price).
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 provides basic context: symbol is a PSX ticker and years defaults to 5. However, it does not specify when to use this tool versus siblings (e.g., get_upcoming_dividends for future payouts) or any prerequisites.
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. It states it gets current values, which is a simple read operation, but provides no details on side effects, authentication, 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.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is extremely concise, front-loading the action and listing indices in one sentence with no extraneous 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 no parameters and presence of an output schema, the description is complete: it fully explains the tool's purpose and scope.
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 description needs only to explain what is returned. It lists all indices, adding value 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 clearly states the tool retrieves current values for major PSX indices and explicitly names eight specific indices, distinguishing it from sibling tools that handle announcements, dividends, quotes, 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 usage for PSX index data by listing indices, but offers no explicit guidance on when to use or avoid this tool, nor does it mention alternatives.
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 provided, the description carries the full burden. It transparently discloses that the tool returns a list of payouts, including specific fields (book closure, AGM date, payout amount/type, buy deadline) and the optional filtering behavior. No hidden side effects or destructive actions are indicated, and the description appears accurate.
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 plus a bullet-like list of result fields. Every sentence adds value without repetition, and the structure is clear and front-loaded with the main purpose.
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?
The description covers the essential behavior (listing upcoming dividends, filtering by symbol) and enumerates the key return fields. With an output schema present (per context signals), avoiding detailed return format is acceptable. It could explicitly note that only future payouts are returned, but 'upcoming' implies this.
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 schema has 0% description coverage, so the description must compensate. It explains the 'symbol' parameter succinctly: 'Optional PSX ticker to filter. If omitted, returns all upcoming payouts in the table.' This provides clear meaning beyond the raw schema definition.
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 'List upcoming dividend payouts on PSX,' specifying a concrete verb, resource, and market. The additional detail about results including book closure dates, AGM date, payout amount/type, and buy deadline further clarifies the tool's purpose and distinguishes it from siblings like get_dividend_history (past payouts) and get_buy_deadline (computing a single deadline).
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 explains the optional symbol filter and its effect ('If omitted, returns all upcoming payouts'), but does not explicitly state when to use this tool versus alternatives like get_quote or screen_dividend_stocks. Usage context is implied but lacks explicit when-to-use/when-not-to-use guidance.
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 exist, so the description carries full burden. It discloses the return values (enum-like) and timezone (PKT). It could mention it's a non-destructive read, but overall clear.
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, front-loaded with the key question, zero waste. Perfectly concise.
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?
No output schema exists, but the description fully explains return values (status enum and next open time). Complete for a simple status-check tool.
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?
No parameters exist, so the description need not add parameter info. Schema coverage is 100% (empty). A baseline of 4 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 explicitly states what the tool does: returns PSX market status (OPEN/PRE_OPEN/CLOSED_TODAY/WEEKEND) and next open time. It distinguishes from sibling tools like get_quote or get_indices by focusing on market hours.
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 if PSX is open ('Is PSX open right now?'), but provides no explicit when-to-use or when-not-to-use guidance, nor mentions alternatives among sibling tools.
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 full burden. It discloses the T+2 settlement rule and the special return string. It does not specify output format (e.g., date format) but adequately conveys the behavior for a simple query tool.
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 sentences, front-loaded with the main purpose, and includes the alternative outcome. No extraneous words; 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 the tool's simplicity (one parameter, no output schema), the description covers core functionality and edge case. It could specify the output format (e.g., date string) but is otherwise complete.
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 single parameter 'symbol' is implied in the description as a stock ticker. The description adds meaning by explaining it must be in the PSX payouts table. With 0% schema coverage, the description compensates well.
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 returns the last buy date for a symbol with an upcoming dividend, applying T+2 settlement. The verb 'return' and resource 'buy deadline' are specific, and the tool is well-distinguished from siblings like get_upcoming_dividends and get_dividend_history.
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 specifies the tool is for symbols with upcoming dividends and details the 'no upcoming dividend' case. However, it does not explicitly contrast with siblings like get_dividend_history or screen_dividend_stocks, leaving some implicit guidance.
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 full burden. It discloses that the tool filters by payout size, not yield, which is a key behavioral trait. It also explains the parameter semantics. However, it does not mention authorization needs, rate limits, or potential side effects, which would be useful but not critical for a screening tool.
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: one sentence stating the purpose plus a short clarifying note. Every sentence earns its place, with no superfluous text. The key information is 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?
Given the tool's simplicity (2 parameters, output schema present), the description is complete. It explains what the tool does, how to use the parameters, and a critical behavioral caveat. The output schema covers return values, so no further detail needed. No obvious 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?
The description compensates for the 0% schema coverage by fully explaining both parameters. For min_payout_pct, it gives a concrete example (50 = 50% of par) and context (PSX payouts quoted as % of face value). For limit, it says 'Max results'. This adds significant value beyond the schema's bare types and defaults.
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 that the tool screens the 'upcoming-payouts table' by payout size, with the verb 'screen' and resource clearly identified. It distinguishes from sibling tools like get_upcoming_dividends (which likely lists all) and get_dividend_history (historical), and explicitly notes it's not a true yield screen, avoiding confusion.
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 the tool's purpose and includes a note clarifying when not to use it (for true yield) and suggests an alternative (get_quote). However, it does not explicitly compare with closely related siblings like get_upcoming_dividends, leaving some ambiguity about when to prefer this tool over others.
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?
No annotations are provided; the description carries full burden. It discloses a 5-minute data delay and explains the return fields (last price, change, volume, etc.), giving a complete picture of 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 concise with four clear sentences covering purpose, parameters, returns, and note. Every sentence adds value with 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 tool's simplicity (one parameter, no output schema, no nested objects), the description fully covers parameter usage, return details, and data delay. No gaps remain.
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?
Input schema has 0% description coverage, but the description defines the 'symbol' parameter with concrete examples (e.g., 'MEBL', 'OGDC'). This adds essential meaning beyond the raw 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 retrieves a current price quote for a PSX-listed symbol, specifying the resource and scope. It distinguishes from siblings like get_indices and get_market_status.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides explicit usage with examples (e.g., 'MEBL', 'OGDC') and context (PSX). It lacks explicit when-not-to-use or alternative tools, but the context is sufficient for correct selection among siblings.
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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