F
license-
qualityC
maintenanceHelps users choose which Steam games to play or buy by analyzing their library, playtime, discounts, and reviews.
Last updated
needmoar.games
Server Details
Ranks Steam games by how much players like them, learned from head-to-head duels.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
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Tool Definition Quality
A4.3/5.0
Tool DescriptionsA
Average 4.4/5 across 3 of 3 tools scored.
Server CoherenceA
Disambiguation5/5
Each tool serves a distinct purpose: search_games resolves names to IDs, game_detail provides detailed info for one game, and versus compares two games. No overlap in functionality.
Naming Consistency3/5
Tool names are not consistently patterned: search_games uses verb_noun, game_detail uses noun_noun, versus is a single word. While readable, the inconsistency could be confusing.
Tool Count5/5
Three tools cover the core workflow of looking up games, getting details, and comparing them. The count is well-scoped for the server's purpose.
Completeness5/5
The tool set provides a complete workflow: resolve names, get detailed info, and compare two games. No obvious gaps for the stated community consensus domain.
Available Tools
3 toolsgame_detailHow liked is a gameARead-onlyIdempotentInspect
The community consensus for one game on needmoar.games: how liked it is (the share of a typical library it beats), its tier and rank, the full distribution of opinions, and the games players who like it also like or dislike — useful for "how popular / well-liked is X?" and "games similar to X". Pass a Steam appid — resolve names with search_games first. The response links to the game's page you can cite.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| appid | Yes | Steam appid of the game (resolve names with search_games). |
Tool Definition Quality
A4.4/5.0
Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations declare readOnlyHint, idempotentHint, and destructiveHint, so the bar is lower. The description adds that it returns community consensus, distribution, and links to the game's page—useful 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.
Conciseness4/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is somewhat long but front-loaded with the main purpose. Every sentence contributes value, and there is no fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness5/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the single parameter, full schema coverage, and no output schema, the description thoroughly explains the return values (how liked, tier, rank, distribution, similar games) and usage context, making it complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% for appid. Description adds meaning by explaining it's a Steam appid and advising to resolve names with search_games, which helps the agent use the parameter correctly.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool returns community consensus for a game on needmoar.games, including how liked it is, tier, rank, distribution, and related games. It uses specific verbs and distinguishes from siblings like search_games for name resolution and versus for comparison.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description advises when to use (for 'how popular/well-liked is X?' and 'games similar to X') and instructs to resolve names with search_games first. It lacks explicit exclusions or comparison with versus, but context from siblings strengthens guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
search_gamesResolve games to Steam appidsARead-onlyIdempotentInspect
Resolve one or more game names to their Steam appids on needmoar.games. Call this first to turn a title like "Hollow Knight" into the numeric appid the versus and game_detail tools need. Accepts several names at once — pass every game the user mentioned in a single call and match each to its result.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| limit | No | Max matches to return per name (1-10, default 5). | |
| queries | Yes | Game names to look up. Pass every title the user mentioned at once. |
Tool Definition Quality
A4/5.0
Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, covering safety and idempotency. The description adds that it accepts multiple names and returns matches, but does not elaborate on response format or potential errors. Given annotations carry the safety burden, the description adds moderate value.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences, each contributing distinct value: purpose, usage order, and batching instruction. No redundant or extraneous information.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple lookup tool with two parameters and full annotation coverage, the description covers the essential context: when to use, how to batch, and the output mapping. However, it could improve by briefly describing the response structure (e.g., array of matches with appid and name).
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%; both parameters have inline descriptions. The description reiterates the batching advice for 'queries' and default for 'limit', but does not add significant new meaning beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5
Does the description clearly state what the tool does and how it differs from similar tools?
The title 'Resolve games to Steam appids' and description clearly state the tool's purpose: converting game names to numeric appids. It identifies the specific resource (needmoar.games) and distinguishes from siblings (versus, game_detail) which require appids as input.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
Description explicitly advises to call this tool first and to batch all user-mentioned game names in one call. However, it does not provide explicit guidance on when not to use the tool or alternatives beyond the implied sequence.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
versusCompare two games head-to-headARead-onlyIdempotentInspect
Head-to-head verdict for two games on needmoar.games: which one players like more, each game's community score (the share of a library it beats) and rank, and the full distribution of opinions on both. Use this to answer "do people prefer A or B?". Pass Steam appids — resolve names with search_games first. The response links to the matching /vs page you can cite.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| appid_a | Yes | Steam appid of the first game (resolve names with search_games). | |
| appid_b | Yes | Steam appid of the second game. |
Tool Definition Quality
A4.9/5.0
Behavior5/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already indicate readOnlyHint=true and destructiveHint=false, so the tool is safe. The description adds context about what the response contains (community score, rank, full distribution of opinions, link to /vs page), fully disclosing behavior 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.
Conciseness5/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, dense sentence that efficiently conveys purpose, inputs, output, and usage. No redundancy or unnecessary words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness5/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a tool with no output schema, the description adequately explains the return content: community score, rank, opinion distribution, and a link. It also mentions the source (needmoar.games) and the prerequisite step (use search_games), making it complete for selection and invocation.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, so baseline is 3. The description adds usage guidance ('resolve names with search_games first' and clarifies that appids are Steam appids), providing value beyond schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it provides a head-to-head verdict for two games, including community scores, ranks, and opinion distributions. It distinguishes from sibling tools by mentioning search_games for name resolution, indicating this tool is for comparison after IDs are obtained.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines5/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explicitly says to pass Steam appids and resolve names with search_games first, providing clear guidance on when to use this tool and when to use the sibling. It also states the purpose: to answer 'do people prefer A or B?'.
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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