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chuotdelongchamp

hex-mcp-server

hex-update-data-connection-schema

Add or remove statuses (endorsements) for databases, schemas, and tables in a Hex data connection.

Instructions

Add/remove statuses (endorsements) from databases, schemas, tables in a data connection.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
updatesYesSchema status updates
dataConnectionIdYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

C2.7/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden. It signals a mutation (adding/removing statuses) but says nothing about required permissions, whether removals are reversible, or what happens to unmentioned statuses, which is a notable gap for a write operation on a nested updates payload.

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?

A single efficient sentence with the action and target front-loaded and no filler. It is terse rather than padded, though the brevity borders on under-specification.

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

Completeness2/5

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

For a mutation tool with no annotations, no output schema, a nested updates object, and only 50% schema coverage, the description is not complete enough to call it correctly. Key details about the updates payload and side effects are absent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50% and the only schema description is 'Schema status updates', which is vague. The description's reference to statuses/endorsements adds a little meaning, but the nested 'updates' object structure and the plain 'dataConnectionId' parameter remain unexplained in both places.

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 a specific verb pair (add/remove), the resource (statuses/endorsements), and the affected targets (databases, schemas, tables in a data connection). It is clear enough to distinguish from generic sibling tools like hex-edit-data-connection or hex-create-data-connection, though it never names or contrasts against them.

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

Usage Guidelines2/5

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

No when-to-use guidance, no prerequisites, and no mention of alternatives such as hex-edit-data-connection. The action itself is implied by 'Add/remove', but an agent gets no selection rationale.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.