Class: RailVerdict::MCP::Tools::GetFinding

Inherits:
Object
  • Object
show all
Defined in:
lib/rail_verdict/mcp/tools/get_finding.rb

Instance Method Summary collapse

Constructor Details

#initialize(server:) ⇒ GetFinding

Returns a new instance of GetFinding.



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 7

def initialize(server:)
  @server = server
end

Instance Method Details

#call(finding_ref: nil, **_rest) ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 54

def call(finding_ref: nil, **_rest)
  begin
    ref = Validators.validate_finding_ref(finding_ref)
    outcome = @server.cache.fetch_outcome
    unless outcome
      outcome = Check.execute(repository_root: @server.repository_root, config_path: File.join(@server.repository_root, ".railverdict.yml"))
      @server.cache.store_outcome(outcome)
    end

    target = (outcome.findings || []).find { |f| f.id == ref || f.fingerprint == ref }
    unless target
      return Serializers.error_response("finding not found: #{ref}", code: "finding_not_found")
    end

    gate_summary = (outcome.result.findings || []).find { |h| h["fingerprint"] == target.fingerprint }
    evidence = evidence_for(outcome, target)
    git_slice = git_slice_for(outcome, target)
    rails_slice = rails_slice_for(outcome)

    structured = {
      "finding" => target.to_schema_h,
      "gate_summary" => gate_summary,
      "evidence" => evidence,
      "git_context" => git_slice,
      "rails_context" => rails_slice,
      "gate" => outcome.result.gate,
      "completion_status" => outcome.result.completion_status
    }
    structured = Serializers.scrub(structured)
    Serializers.tool_response(structured, error: false)
  rescue ArgumentError => e
    Serializers.error_response(e.message, code: "invalid_arguments")
  rescue StandardError => e
    Serializers.error_response("get_finding failed: #{e.message}", code: "internal_error")
  end
end

#tool_annotations ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 50

def tool_annotations
  { read_only_hint: true, destructive_hint: false, idempotent_hint: true, open_world_hint: false, title: tool_title }
end

#tool_description ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 19

def tool_description
  "Retrieve a single finding by id (rv:...) or fingerprint (sha256:...) with bounded context (git slice, rails slice, evidence summary). Finding ID must be exact; no fuzzy match."
end

#tool_input_schema ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 23

def tool_input_schema
  {
    type: "object",
    properties: {
      finding_ref: { type: "string", description: "Finding id (rv:...) or fingerprint (sha256:...)" }
    },
    required: ["finding_ref"],
    additionalProperties: false
  }
end

#tool_name ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 11

def tool_name
  "get_finding"
end

#tool_output_schema ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 34

def tool_output_schema
  {
    type: "object",
    properties: {
      finding: { type: "object" },
      gate_summary: { type: "object" },
      evidence: { type: "object" },
      git_context: { type: "object" },
      rails_context: { type: "object" },
      gate: { type: "string" },
      completion_status: { type: "string" }
    },
    required: %w[finding]
  }
end

#tool_title ⇒ Object 



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# File 'lib/rail_verdict/mcp/tools/get_finding.rb', line 15

def tool_title
  "Get finding"
end