hooksense-mcp
Server Quality Checklist
Latest release: v0.2.0
- Disambiguation5/5
Every tool has a clearly distinct purpose: creating, listing, getting endpoints; waiting for, listing, replaying, and verifying callbacks. No functional overlap.
Naming Consistency5/5All tool names follow the consistent verb_noun pattern (e.g., create_callback_endpoint, get_callback_payload, list_callbacks), making them predictable.
Tool Count5/58 tools is well-scoped for a webhook management server, covering endpoint creation, callback handling, and security verification without excess.
Completeness5/5The tool set covers the full lifecycle: create/list/get endpoints, receive callbacks (wait_for_callback), inspect (list/get), replay, and verify signatures. No obvious gaps.
Average 4.2/5 across 8 of 8 tools scored. Lowest: 3.6/5.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 11 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.
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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?
No annotations are present, so description carries full burden. It states it 'gets details' implying read-only, but does not disclose authentication needs, error behavior, or side effects. Some transparency from listing returned info, but significant 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?
One sentence, no waste, directly states purpose and what is returned.
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 is simple with one required param and no output schema. Description adequately indicates what details are returned. Could be improved by mentioning error handling (e.g., if slug not found), but overall sufficient for its 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 description coverage is 100% for the single parameter 'slug' (described as 'Endpoint slug'). The description adds no additional meaning beyond 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?
Description uses specific verb 'Get details' and clearly identifies resource 'specific endpoint', listing the types of details (URL, signature provider config, custom response settings). This distinguishes it from sibling tools like list_endpoints or create_callback_endpoint.
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 on when to use this tool versus alternatives. Usage is implied: when you need details for one endpoint, but no 'when-not' or alternative references are provided.
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 present, so the description carries the full burden. It states headers and body are re-sent unchanged, which is a key behavioral trait, but does not cover error handling, idempotency, 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?
Two sentences, front-loaded with purpose, 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?
For a simple tool with two required params and no output schema, the description covers purpose, usage, and key behavior, though it could mention potential pitfalls like duplicate replays.
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 has 100% description coverage, so baseline is 3. The description does not add meaning beyond what the schema provides for the 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 replays a received callback to a target URL, which is a specific verb+resource. It distinguishes from sibling tools like create_callback_endpoint or get_callback_payload.
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 a clear use case ('re-drive your handler against a known payload without re-triggering the upstream event') but does not explicitly mention when not to use it or alternatives.
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 burden. It discloses the return content (headers, decrypted body, metadata) but does not mention side effects, auth requirements, or rate limits. For a simple fetch operation, this is adequate but not highly transparent.
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: first sentence states the action and what is returned, second sentence provides usage guidance. No extraneous words, front-loaded with key information. Every sentence 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?
The tool is simple with one parameter. The description explains what the tool returns (headers, decrypted body, metadata) and provides workflow context (after wait_for_callback or list_callbacks). No output schema, but description covers the return well. Complete for 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?
The schema already describes requestId with detailed context ('Callback UUID, from wait_for_callback or list_callbacks'). Schema coverage is 100%, so baseline is 3. The description does not add additional meaning beyond the schema, so score remains 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?
The description clearly states the verb 'Fetch' and the resource 'a single received callback with full headers, decrypted body, and metadata', which precisely defines the tool's purpose. It also distinguishes it from siblings by mentioning the use case after wait_for_callback or list_callbacks.
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 explicitly says to use this tool after obtaining a callback ID from wait_for_callback or list_callbacks, providing clear usage context. It doesn't explicitly state when not to use it, but the workflow implication is sufficient. Sibling tools have different purposes, aiding differentiation.
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, so description bears full burden. It discloses creation and return of URL, optional slug, and plan requirement. Lacks details on permissions, rate limits, or persistence, but adequate for a simple creation 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?
Two sentences, no waste. Front-loads key action and return 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?
No output schema, but description explains return (URL). Mentions awaiting via sibling. Sibling list provides context. Adequate for a simple creation 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?
Schema coverage is 100%. Description adds value by explaining slug is optional, auto-generated, and requires Hook plan, which is 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?
Description clearly states 'Create a callback endpoint and return its URL', specifying the action and resource. It distinguishes from siblings like wait_for_callback by explaining its role as a webhook target.
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: hand URL to async job/agent and await with wait_for_callback. Also mentions works with any provider. No exclusions, but clear 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?
With no annotations, the description carries the full burden. It discloses authentication scope and return fields but lacks details on pagination, rate limits, or read-only nature. The basic behavior is clear, but deeper context is missing.
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 14 words, front-loading the verb and resource. Every word adds value with no redundancy.
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 or annotations, the description covers the basic behavior and return fields. It is complete enough for a simple list tool with no parameters, but could mention pagination or filtering.
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 zero parameters, and the schema coverage is 100% (vacuously). The description does not need to add parameter meaning. Baseline for 0 params is 4.
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 'List', the resource 'all webhook endpoints', and the scope 'owned by the authenticated user'. It also mentions the return fields (slug, created_at, request counts), which distinguishes it from sibling tools that deal with specific endpoints or callbacks.
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 implies usage for listing all webhook endpoints, which is clear from the context and sibling names. However, it does not explicitly provide when-not-to-use or alternative tools, though the sibling differentiation is implicit.
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?
Discloses timing-safe comparison, requirement for webhook secret and paid plan, and that it returns authenticity status. Without annotations, the description provides adequate transparency about behavior and 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?
Two sentences, front-loaded with the main action, and no extraneous 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?
For a simple two-parameter tool with no output schema, the description covers what, how (timing-safe), when (before acting), and prerequisites. Return format is implied, which is acceptable for a boolean-like check.
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 parameter descriptions for slug and requestId. The description reinforces their purpose but does not add significant new meaning beyond what the schema 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?
Description clearly states the tool verifies HMAC signatures of callbacks, specifying supported integrations (Stripe, GitHub, Shopify) and the timing-safe comparison. It distinguishes from siblings like get_callback_payload or replay_callback by focusing on authentication verification.
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 advises using this before acting on a payload, and outlines prerequisites (webhook secret, paid plan). While it doesn't explicitly exclude scenarios or compare alternatives, the context is clear about when to invoke.
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 the full burden. It discloses that it returns a summary with specific fields and that results are newest-first. No side effects are mentioned, but the tool appears read-only. The description could mention pagination or lack of mutations, but it's fairly transparent for a list operation.
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, each adding value: purpose+ordering, return format+alternative tool, and a usage tip. No unnecessary words, well-structured and efficient.
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 explains return format (method, status, provider, received_at). It references relevant sibling tools. It does not cover error cases or edge conditions, but for a straightforward list tool, it is 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?
Schema coverage is 100%, so baseline is 3. The description does not add parameter-specific meaning beyond the schema. It mentions ordering and return summary, but these are not tied to parameters. No extra context for slug or limit beyond what schema 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 the action ('List callbacks'), the resource ('received by an endpoint'), and ordering ('newest first'). It differentiates from siblings by referencing get_callback_payload for full body and wait_for_callback for sequential waiting.
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?
The description explicitly tells when to use this tool (list summaries) and when to use alternatives (get_callback_payload for full body). It also provides a practical tip linking to wait_for_callback, showing clear usage context.
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 conveys behavioral traits: blocking until callback or timeout, signature verification, decryption, and the two return states. It also explains the 'after' cursor to avoid missing callbacks between calls. 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?
The description is efficiently structured: first sentence states core function, second gives usage context, third describes return types, fourth explains the 'after' parameter. Every sentence adds necessary information with no redundancy.
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 blocking, timeout, return structures, and parameter usage. It mentions signature verification but doesn't detail the 'request' object structure. However, without an output schema, the provided JSON example suffices. Slightly incomplete for a complex async tool, but adequate.
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% with detailed descriptions, so baseline is 3. The description adds extra context: 'from create_callback_endpoint' for slug, 'how long to block' for timeoutMs, and an example for 'after' explaining its purpose. This adds value 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 the tool blocks until a webhook callback arrives and returns it, distinguishing it from polling. It uses specific verbs ('block', 'return') and references the resource ('webhook callback'), differentiating it from sibling tools like create_callback_endpoint or list_callbacks.
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?
The description explicitly says when to use: 'for async/long-running work: kick off the job... then call wait_for_callback'. It contrasts with polling and explains the retry behavior if timeoutMs elapses. It provides clear context for usage without mentioning alternatives by name.
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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