CanonicAI — cited Answers corpus
Server Details
Read-only hosted MCP over CanonicAI's cited Answers corpus on canonicai.com.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
TDQS
Scored across 3 tools
Each tool maps to a distinct retrieval mode: exact slug lookup, listing all corpus entries, and free-text search. There is no meaningful overlap between the three tools.
All tools follow a consistent verb_noun snake_case pattern: get_answer, list_answers, search_answers. The naming scheme is predictable and uniform.
Three tools are well-scoped for a read-only cited-answers corpus. Each tool earns its place by covering lookup, discovery, and search without redundancy.
For a static corpus, the tool surface is complete: agents can list or search to find answers, then fetch a full answer with citations by slug. No CRUD operations are expected for this read-only domain.
Available Tools
3 toolsget_answerAInspect
Return one Answer contract v0 record with citations for a known slug. Never fabricates content for unknown slugs.
| Name | Required | Description | Default |
|---|---|---|---|
| slug | Yes | Answer slug from answers/index.json. |
Output Schema
| Name | Required | Description |
|---|---|---|
| id | Yes | |
| url | Yes | |
| code | No | |
| home | No | |
| slug | Yes | |
| answer | Yes | |
| message | No | |
| question | Yes | |
| citations | Yes | |
| shortAnswer | No |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full behavioral burden. It explicitly discloses a critical safety behavior: 'Never fabricates content for unknown slugs', which tells the agent the tool will not hallucinate for nonexistent slugs. It also states the record includes citations. It does not specify the exact failure mode for unknown slugs, but the anti-fabrication guarantee is material and well communicated.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two concise sentences with no filler. The primary action and resource are front-loaded, and the behavioral guarantee is a valuable second sentence. Every word earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has a single well-documented parameter, an existing output schema, and a description that states the return content, the known-slug condition, and the no-fabrication behavior, nothing essential is missing for an agent to invoke it correctly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The schema already documents the only parameter with 100% coverage: 'Answer slug from answers/index.json.' The description adds 'known slug' context but does not add format, validation, or usage details beyond the schema. With baseline 3 for high coverage, this is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description names a specific verb ('Return'), a precise resource ('one Answer contract v0 record with citations'), and the key condition ('for a known slug'). The phrase 'Never fabricates content for unknown slugs' further disambiguates this tool from list_answers and search_answers, making its scope unmistakable.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description clearly implies when to use this tool: when a specific known slug is available. It does not explicitly name alternative tools or state when not to use it, but the context 'for a known slug' gives sufficient guidance for an agent to choose it over listing or searching.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
list_answersAInspect
List published CanonicAI answer summaries from the static Answers corpus. Returns slug, id, question, canonical URLs, and citation counts.
| Name | Required | Description | Default |
|---|---|---|---|
| limit | No | Maximum summaries to return. | |
| offset | No | Number of summaries to skip. |
Output Schema
| Name | Required | Description |
|---|---|---|
| count | Yes | |
| answers | Yes |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
There are no annotations, so the description must carry the behavioral burden. It does disclose that the operation lists published items from a static corpus, implying a safe, read-only action, and it lists the returned fields. However, it does not mention ordering, default pagination behavior, or whether full answer content is excluded, leaving some behavioral ambiguity.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences with no redundant wording. The core action and resource are front-loaded, and the second sentence efficiently enumerates the returned fields. Every word earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple list operation with fully documented optional pagination parameters and an output schema, the description is largely complete. It states the source corpus, the published scoping, and the return fields. Minor missing details like default ordering or a maximum limit are not critical given the tool's simplicity and schema coverage.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already describes both parameters clearly: limit is the maximum summaries to return and offset is the number to skip. The description adds no parameter-specific meaning beyond what the schema provides, so the baseline of 3 applies given 100% schema coverage.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description identifies a specific action ('List'), a precise resource ('published CanonicAI answer summaries from the static Answers corpus'), and the return fields. The verb 'List' and the scope of enumerating the corpus clearly differentiate it from the sibling tools get_answer and search_answers.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description gives no explicit guidance on when to use this tool instead of get_answer or search_answers. It implies a paginated listing use case through 'List' and the limit/offset parameters, but it never states exclusions or directs the agent to alternative tools for single-item or search use cases.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
search_answersBInspect
Search CanonicAI answers by simple deterministic token scoring over question, shortAnswer, and answer fields.
| Name | Required | Description | Default |
|---|---|---|---|
| q | Yes | Search query. | |
| limit | No | Maximum matches to return. |
Output Schema
| Name | Required | Description |
|---|---|---|
| count | Yes | |
| query | Yes | |
| matches | Yes |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It does disclose the deterministic token scoring mechanism and the fields searched, which is useful. However, it omits behavior such as scoring/ordering, case sensitivity, token matching rules, or result count behavior beyond the optional limit parameter.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, dense sentence with no filler. It front-loads the action and resource, then adds the key mechanism and target fields without unnecessary detail.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple two-parameter search tool with an output schema, the description is adequate but not complete. It covers the core search behavior and fields, but lacks context about when to choose this tool over siblings and does not explain edge cases like default limit or matching semantics.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already covers both parameters with 100% coverage, giving a baseline of 3. The description adds meaning by specifying that q applies to 'question, shortAnswer, and answer fields', which clarifies how the query is interpreted. This is a meaningful supplement to the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description states a specific action ('Search') and resource ('CanonicAI answers'), and adds relevant detail about the method ('simple deterministic token scoring') and searchable fields. It does not explicitly contrast with get_answer or list_answers, but the verb 'search' already implies a different use case.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description gives no guidance on when to use this tool versus get_answer or list_answers. There is no mention of exclusions, prerequisites, or alternative scenarios. The usage context is only implied by the word 'search', not explicitly stated.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
3 tool updates
- First observed
get_answer - First observed
list_answers - First observed
search_answers
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