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search_github_issues

Read-onlyIdempotent

Full-text search across CCPEDIA's indexed GitHub issues (15+ Canton repos). Canton ecosystem only. Use to find prior reports / open bugs / requested features. For PRs use get_proposals (Dev Fund grant PRs) or search with type="github" (broader).

Input Schema

NameRequiredDescriptionDefault
limitNoMax rows (default 10).
queryYesFree-text query.
stateNoIssue state filter (default: all).
offsetNoSkip this many before returning, for paging past the limit. The response states the full count and echoes the offset used.

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

A4.5/5.0
Behavior4/5

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

While annotations already cover the safety profile (readOnlyHint: true), the description adds essential behavioral context regarding data scope—namely, that it is restricted to 'CCPEDIA's indexed' repositories and the 'Canton ecosystem only.' This scope limitation is a key behavioral trait not covered by structured fields.

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 highly concise. It front-loads the most important constraints (what and where) in the first sentence, followed by the intended use cases, and finally, clear routing instructions to siblings. There is zero wasted language.

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?

Given the high schema coverage and safety annotations, the description successfully provides all necessary context for an agent to select this tool correctly and understand its scope limitations without ambiguity. It is exceptionally complete.

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?

Since schema description coverage is 100%, the input schema already provides thorough semantics for all parameters. The description does not add additional meaning to the parameter definitions themselves, thus meeting the baseline standard.

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 the action (Full-text search) and the specific resource (CCPEDIA's indexed GitHub issues). It explicitly limits the scope to the 'Canton ecosystem only,' which differentiates it from generic search tools.

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?

It provides explicit guidance on when to use the tool ('find prior reports / open bugs / requested features'). Crucially, it names two specific alternatives and the conditions under which they should be used (e.g., using get_proposals for PRs, or search with type='github' for broader queries).

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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