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run-algo-locate-root-cause

station__microgram__run-algo-locate-root-cause external (needs EXECUTION_BACKEND_URL) microgram pv-core Constructa Configa

Algorithm 10 (LOCATE): Boundary contraction search. Takes a failure and systematically narrows the search space through successive comparisons (κ) at each location (λ), halving the boundary (∂) until root cause is located.

Taxonomy

Linnaean classification joined from the algovigilance taxonomy index via the parent config's rank.

Rank	Value
domain	`Substrata`
kingdom	`Constructa`
phylum	`Configa`
class	`station-config`
order	`microgram`
family	`mcp-tool-config`

Characteristics:

substrate: config
domain: pv
lifecycle: continuous
authority: read
compounding: producer
io: agent-request → tool-response

Input schema

error_reproducible booleanrequired — Input parameter: error_reproducible
recent_change booleanrequired — Input parameter: recent_change
error_in_tests booleanrequired — Input parameter: error_in_tests
failure_layer stringrequired — Input parameter: failure_layer

Example call

POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__microgram__run-algo-locate-root-cause",
    "arguments": {
      "error_reproducible": false,
      "recent_change": false,
      "error_in_tests": false,
      "failure_layer": ""
    }
  }
}

How to invoke from a client

From any MCP-aware client, add https://algovigilance.com/api/mcp as an MCP server, then call this tool by name. From a raw HTTP client, send the JSON-RPC body above to /api/mcp.

Agent-friendly formats

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