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Scoring

From “trust me” to “prove it”

When an agent claims a task is complete, how do you verify it actually followed instructions, used approved tools, and produced correct outputs? Manual transcript review doesn’t scale. Valdr’s scoring system automates this with structured audits that produce evidence-backed verdicts.

Tip

Scoring isn’t just for catching failures—it’s how you build confidence in agent operations at scale. Every score links to evidence. Every finding includes remediation.

Who this is for: Operators, pack authors, and teams running agents in production. Solo developers typically consume scores via the UI rather than authoring audits directly.

What scoring is not: Scoring is not LLM self-evaluation, not subjective grading, and not a replacement for human judgment. It’s structured verification of claims against artifacts.

The seven dimensions

The auditor evaluates every agent session across seven dimensions, each scored 0–100:

DimensionWhat it measuresBlocker threshold
instructionsAdherenceDid the agent follow its charter and prompt instructions?80
promptIntegrityWere declared prompts/capabilities actually used? Any drift?80
toolingComplianceDid the agent use only approved tools, in approved ways?80
taskCorrectnessDid outputs satisfy acceptance criteria with evidence?90
riskSafetyWere security, data handling, and safety constraints respected?80
taskQualityWas the task brief clear? Was work executed to standard?80

Scoring rules

  • Every score requires evidence — file path and line number. No evidence = score of 0.
  • Any dimension with blocker=true forces instructionsAdherence ≤ 50 and sets verdict to fail
  • Score < 100 must have at least one finding explaining the gap
  • Score = 100 includes a pass finding with evidence confirming compliance

How auditing works

Inputs

The auditor consumes:

InputPurpose
TranscriptFull session history (system prompt, user prompts, assistant responses, tool calls)
Declared capabilitiesCapability tags extracted from the agent’s system prompt
Observed capabilitiesCapabilities actually exercised during the session
Acceptance criteriaTask requirements that must be satisfied
Artifacts/worktreeFiles produced by the agent for validation
Tool call outcomesSuccess/failure status of each tool invocation

Process

  1. Parse transcript — extract system prompt, identify capability tags
  2. Compare declared vs observed — detect prompt drift or missing capabilities
  3. Validate tool usage — check each call against policy, note failures
  4. Score per acceptance criterion — verdict + evidence for each requirement
  5. Generate findings — severity, root cause, remediation for every gap
  6. Emit structured JSON — validated against the audit schema

Outputs

The auditor produces a JSON document containing:

  • Scores for all seven dimensions with evidence
  • Per-acceptance-criteria verdicts
  • Findings with severity, root cause, and remediation
  • Tool call summary
  • Follow-up items
  • Overall verdict (pass, fail, or needs-follow-up)

Findings structure

Every finding includes:

FieldPurpose
severityblocker, major, or minor
dimensionWhich scoring dimension this affects
issueWhat went wrong
evidenceArray of {path, line, note} references
rootCauseCategorized cause (see below)
remediationHow to fix it
improvementOptional systemic fix to prevent recurrence

Root cause categories

Root causeMeaning
prompt-gapPrompt doesn’t cover this scenario
prompt-driftObserved behavior doesn’t match declared prompt
task-clarityTask/requirements are vague or conflicting
tool-policyTool usage violated policy
data-missingRequired data wasn’t available
env-permissionEnvironment constraints blocked execution
process-gapWorkflow step was skipped or incomplete
user-inputUser provided incorrect or incomplete input
llm-behaviorModel behaved unexpectedly
otherDoesn’t fit other categories

Root cause categorization enables trend analysis—if you’re seeing repeated prompt-gap findings, your prompts need work.


Real example: failed audit

Here’s an actual audit from a documentation task that failed. The agent was asked to research Java Virtual Threads and produce docs/research/research.md.

What happened

The agent:

  1. Tried to list docs/research/ — failed (directory didn’t exist)
  2. Waited for user to tell it to create the directory
  3. Created the directory
  4. Never created the actual research document

Scores

{
  "instructionsAdherence": { "score": 45, "blocker": true },
  "promptIntegrity": { "score": 80 },
  "toolingCompliance": { "score": 70 },
  "taskCorrectness": { "score": 10 },
  "riskSafety": { "score": 75 },
  "taskQuality": { "score": 30 }
}

Overall verdict: fail

Per-acceptance-criteria verdicts

CriterionVerdictEvidence
Sources cited in a bibliographymissingNo research.md exists to contain a bibliography
Key concepts summarized in a cheat sheetmissingNo research.md exists to contain a cheat sheet
Audience pain points documentedmissingNo research.md exists to contain the report
Deliverable: research.md in docs/research/missingtest -f .../research.md reports missing

Key findings

Blocker — instructions adherence:

{
  "severity": "blocker",
  "dimension": "instructionsAdherence",
  "issue": "Audit JSON schema validation could not be executed...",
  "rootCause": "env-permission",
  "remediation": "Provide a local JSON Schema validator...",
  "improvement": "Add a repo script for audit schema validation..."
}

Major — task correctness:

{
  "severity": "major",
  "dimension": "taskCorrectness",
  "issue": "Acceptance criteria were not delivered; the session only created docs/research/ and did not produce docs/research/research.md...",
  "rootCause": "process-gap",
  "remediation": "Create docs/research/research.md containing (1) bibliography with sources, (2) virtual threads cheat sheet, and (3) audience pain points report...",
  "improvement": "Add a task template requiring an outline + minimum section headers for research deliverables..."
}

Minor — tooling compliance:

{
  "severity": "minor",
  "dimension": "toolingCompliance",
  "issue": "Tool failure (list_dir) was surfaced as an error, but the agent did not proactively recover...",
  "rootCause": "llm-behavior",
  "remediation": "On ENOENT for expected output directories, offer to create the directory and continue..."
}

Tool call tracking

{
  "toolCalls": [
    {
      "tool": "list_dir",
      "command": "docs/research",
      "status": "failed",
      "evidence": [{ "path": "...transcript.ndjson", "line": 7 }]
    },
    {
      "tool": "make_dir",
      "command": "docs/research",
      "status": "success",
      "evidence": [{ "path": "...transcript.ndjson", "line": 15 }]
    }
  ]
}

Follow-up items

The audit captures what still needs to happen:

{
  "needsFollowUp": [
    "Implement the requested research deliverable at docs/research/research.md...",
    "Add an offline-capable audit schema validation script..."
  ]
}

Capability tags that enable scoring

The auditor relies on structured tags in prompts to map behavior to expectations:

TagHow auditor uses it
capabilityExtract declared capabilities from system prompt; compare to observed
instructionsBaseline for instructionsAdherence scoring
guidelineMap findings to specific rule violations
checklistScore against required steps
tool_usage_policyBaseline for toolingCompliance scoring

Without tags, auditors can only do surface-level transcript review. With tags, they can diff declared vs. observed, hash content for drift detection, and link findings to exact prompt sections.


Rubric configuration

Each dimension has configurable thresholds:

{
  "rubric": {
    "dimensions": [
      { "dimension": "instructionsAdherence", "weight": 1, "threshold": 80 },
      { "dimension": "promptIntegrity", "weight": 1, "threshold": 80 },
      { "dimension": "toolingCompliance", "weight": 1, "threshold": 80 },
      { "dimension": "taskCorrectness", "weight": 1, "threshold": 90 },
      { "dimension": "riskSafety", "weight": 1, "threshold": 80 },
      { "dimension": "taskQuality", "weight": 1, "threshold": 80 }
    ]
  }
}

Weights enable custom scoring formulas. Thresholds define the minimum score for a dimension to pass without findings.


Why scoring matters

Without scoringWith scoring
“The agent said it’s done”Structured verdict with evidence
Review every transcript manuallyAutomated compliance checks
No trend visibilityRoot cause analysis over time
Hope prompts are followedHash-based drift detection
Audit prep is a fire drillAudit trail is always ready

Scoring transforms agent operations from “trust and hope” to “verify and improve.”