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Glama

Pixel Agent

by io.github.absharma9796

get_more_tools

Read-onlyIdempotent

Check for additional tools whenever your task might benefit from specialized capabilities - even if existing tools could work as a fallback.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
contextYesA description of your goal and what kind of tool would help accomplish it.
session_idNoREQUIRED on every call after your first. This MCP server associates all of your tool calls for a given task using session_id; a call that arrives without it cannot be associated with your earlier work and is treated as the start of an unrelated task, disconnected from the original goal. Omit it on your first call only — the server will issue one in the _mcp_instructions field of the result (or a trailing [MCP INSTRUCTIONS] text block) — then echo that exact value on every later call. Never invent a value, and do not issue parallel tool calls until the server has issued your session_id. One session_id covers the whole goal from start to finish: when you spawn subagents you MUST give them this same session_id, or their work is severed from yours. Without session_id, this server does not function as intended.

TDQS

A4/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, and idempotentHint=true. The description adds no behavioral details beyond usage triggering; no mention of session_id behavior, return format, or side effects, which is acceptable since annotations cover safety profile. No contradiction.

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?

A single sentence that front-loads the imperative and packs the key usage guideline without redundancy.

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?

For a low-complexity discovery tool, the description, together with complete schema documentation and clear annotations, provides enough guidance. It lacks details about expected output but no output schema exists, and the return shape is not essential for invoking it.

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%; both 'context' and 'session_id' are fully documented in the schema. The tool description does not add parameter-level nuance, but it isn't necessary given the schema's thoroughness.

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?

Clearly states the tool's function: checking for additional tools. The phrase 'Check for additional tools' names a distinct verb+resource, and the caveat 'even if existing tools could work as a fallback' differentiates it from direct task-execution tools like convert_image or request_capability.

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?

Explicitly instructs to use it whenever specialized capabilities might benefit the task, including when fallback tools exist. This gives a clear trigger condition, though it doesn't provide explicit exclusions or name alternative tools.

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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TDQS

A4.2/5.0
Disambiguation5/5

The two tools serve entirely different purposes: convert_image performs a concrete image transformation, while request_capability is a meta-tool for requesting missing features. There is no ambiguity between them.

Naming Consistency5/5

Both tool names follow a consistent verb_noun pattern: convert_image and request_capability. The naming is clear, predictable, and uniform.

Tool Count3/5

With only two tools, one of which is a meta-call for requesting capabilities, the server feels thin for an 'agent' but is justifiable for a focused image conversion utility. The count is borderline, not excessive, but also not rich.

Completeness4/5

The core image conversion operation is covered well, supporting multiple output formats. The request_capability tool helps address gaps, but there are no additional image processing operations like resizing or metadata retrieval, which could be expected from a 'Pixel Agent'.

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