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cevatkerim

unsplash-mcp

search_photos

Search for photos on Unsplash by keyword, with options to filter by color, orientation, and safety. Each result includes required attribution.

Instructions

Search for photos on Unsplash by keyword.

Use this tool when you need to find photos for a specific topic or theme. Each result includes full attribution data that MUST be displayed when using the image (required by Unsplash API guidelines).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesSearch keyword(s), e.g. "mountain landscape", "coffee shop interior"
pageNoPage number for pagination (default: 1)
per_pageNoNumber of results per page, 1-30 (default: 10)
order_byNoSort order - "relevant" (best match) or "latest" (newest first)relevant
colorNoFilter by color - black_and_white, black, white, yellow, orange, red, purple, magenta, green, teal, blue
orientationNoFilter by orientation - landscape, portrait, squarish
content_filterNoSafety filter - "low" (default) or "high" (stricter)low

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations are provided, so the description carries full burden. It adds one behavioral requirement: 'full attribution data that MUST be displayed.' However, it does not disclose other behaviors such as rate limits, pagination behavior, or error handling. The attribution info is useful but insufficient for full transparency.

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: two sentences, no wasted words. The first sentence states the purpose, and the second provides usage context and a crucial requirement. It is front-loaded and efficient.

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?

Given that an output schema exists, the description does not need to explain return values. It covers the main purpose and a key usage requirement (attribution). However, with 7 parameters and no annotations, it could briefly mention pagination or sorting behavior (already in schema but not highlighted). Still, it is reasonably complete for a search tool.

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%, so the schema already documents all 7 parameters thoroughly. The description adds no additional parameter semantics beyond what is in the schema. Baseline score of 3 is appropriate.

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

Purpose5/5

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

The description clearly states 'Search for photos on Unsplash by keyword,' which is a specific verb+resource. It is easily distinguishable from sibling tools like get_random_photos (random selection) and track_download (tracking), even though no explicit differentiation is provided.

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 provides clear context: 'Use this tool when you need to find photos for a specific topic or theme.' It also mentions the attribution requirement. However, it does not explicitly state when not to use this tool or how it compares to siblings, which would improve guidance.

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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