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fivetran

Fivetran MCP Server

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by fivetran

connect_card

Generate a Connect Card URI to authorize a Fivetran connection. Provide the connection ID and request body to obtain the URI for user authorization.

Instructions

⚠️ WRITE OPERATION - Confirm with user before calling. Generates the Connect Card URI for the connection

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
schema_fileYesREQUIRED: You must first read the schema file at 'open-api-definitions/connections/connect_card.json', then provide this exact path here to confirm.
request_bodyYesJSON string containing the request body. Refer to the schema file for the expected structure.
connection_idYesThe unique identifier for the connection
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description must fully disclose behavior. It labels itself a 'WRITE OPERATION' but lacks details on side effects, idempotency, authorization requirements, or what happens after generation.

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 extremely concise with no unnecessary words. It uses a warning emoji for clarity and front-loads the operation type and caution.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given three required parameters and no output schema, the description covers the basic generation purpose and a caution. However, it omits the output format, error conditions, and any post-generation effects, leaving some gaps.

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 coverage is 100%, so baseline is 3. The description adds context for schema_file (must read first) and request_body (refer to schema), but these are similar to the schema descriptions and do not substantially deepen understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states 'Generates the Connect Card URI for the connection,' which uses a specific verb and resource. It clearly distinguishes from sibling tools like create_connection or connection_details, though it could briefly explain the URI's purpose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description includes a warning to confirm with the user, implying careful usage, but does not specify when to use this tool over alternatives or when it should not be used.

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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