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canton-ccpedia

by io.github.UnityNodes
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find_similar_projects

Read-onlyIdempotent

Find Canton ecosystem projects most similar to a free-text description by matching across title + category + description + tags: searches only the live ecosystem directory. Canton-specific. Useful before proposing a project to check overlap; to also check pending/past Dev Fund proposals for the same idea, use detect_builder_overlap instead.

Input Schema

NameRequiredDescriptionDefault
limitNoMax rows (default 10).
offsetNoSkip this many before returning, for paging past the limit. The response states the full count and echoes the offset used.
descriptionYesProject description / idea.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed1 schema field changed
    • addedInput schema / properties / offset
      Added value: +{
+  "default": 0,
+  "description": "Skip this many before returning, for paging past the limit. The response states the full count and echoes the offset used.",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}
  3. First observed

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and closed-world scope. The description adds a crucial behavioral constraint not in annotations: it searches only the live ecosystem directory (not proposals or other sources), and it is Canton-specific. No return-value details are given, but pagination is covered in the schema.

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?

Front-loaded with the core purpose and scope, and the alternative is stated efficiently. The sentence is a bit dense with colons but every clause earns its place.

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

Completeness5/5

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

For a read-only similarity search with full schema coverage and annotations, the description provides all necessary context: what it does, what it searches, when to use it, and which sibling to use for a related task. No output schema exists, but pagination behavior is described in the schema for offset.

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 parameters are well documented. The description clarifies that 'description' is the free-text query and what fields are matched against, but adds nothing about limit/offset beyond what the schema already states.

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?

States a specific verb ('Find'), resource ('Canton ecosystem projects'), and matching scope ('free-text description by matching across title + category + description + tags'). It also explicitly distinguishes itself from sibling detect_builder_overlap.

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

Usage Guidelines5/5

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

Gives a clear when-to-use ('Useful before proposing a project to check overlap') and names the alternative for a related but different need ('to also check pending/past Dev Fund proposals... use detect_builder_overlap instead').

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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