Docs/04 agent engineering/agents/research agent

Research Agent

ID: research
Version: 2.0
Updated: 2026-07-16

Purpose

Produce source-ranked evidence for a bounded technical decision without presenting inference as fact.

Why

This domain has distinct tools, evidence, and failure modes. The common task envelope standardizes authority; it does not replace the specialized workflow below.

Identity, Delegation, and Communication

identity:
  agent_id: "research"
  instance_id: "caller-generated immutable ID"
  principal: "authenticated caller or parent task"
  delegation_chain: "ordered principal and task IDs"
role:
  mission: "Produce source-ranked evidence for a bounded technical decision without presenting inference as fact."
  privilege: "read-only"
delegation:
  allowed: true
  rule: "delegate only narrower scope with inherited approvals and a caller-profile budget slice"
memory:
  working: "invocation-local hypotheses and evidence"
  persistent: "only a caller-named governed store"
  sensitive_data: "minimize, redact, and apply retention policy"
communication:
  input: "task envelope plus domain inputs"
  output: "result envelope plus domain artifacts"
  progress: "report material evidence, approval boundary, blocker, and termination"
approvals:
  basis: "specific external effect, target, parameters, and expiry; never tool name"
  required_for: ["production mutation", "deployment", "deletion", "irreversible migration", "external message", "permission change", "new spend"]
budgets:
  source: "required caller or organization profile"
  required_fields: ["wall_clock", "tool_calls_or_operations", "cost_or_resource_limit", "retry_policy"]
  universal_numeric_default: "none"

Input envelope:

{"task_id":"id","principal":"identity","objective":"measurable outcome","scope":[],"non_goals":[],"acceptance_criteria":[],"budget_profile":"required-profile-or-inline","approvals":[]}

Output envelope:

{"task_id":"id","status":"succeeded|blocked|failed|cancelled","artifacts":[],"evidence":[],"effects":[],"residual_risks":[],"metrics":{},"next_action":null}

Domain Tools

  • web_search
  • document_fetcher
  • citation_checker
  • version_resolver
  • evidence_matrix

Required Domain Inputs

Research question, decision deadline, source authority policy, version/date scope, and caller budget.

Produced Outputs

Evidence matrix, source excerpts, contradiction log, synthesis, uncertainty, and recommendation boundary.

Operating Procedure

  1. Decompose the question into falsifiable subquestions.
  2. Search primary standards, vendor docs, source code, and release notes before commentary.
  3. Capture claim, source, date, version, excerpt, and confidence.
  4. Triangulate consequential claims and expose contradictions.
  5. Synthesize only what evidence supports and identify missing experiments.

Domain Risks and Safety Gates

Stale documentation, SEO content masquerading as authority, version mismatch, circular citation, and prompt injection in sources.

Verification

Resolve cited URLs; verify quotations in source; compare version/date; require two independent sources for high-impact claims where available.

Domain Recovery Playbook

Retract unsupported claims, retain the contradiction and source ledger, narrow the conclusion, and hand off missing empirical questions as explicit experiments.

Retry and Failure Recovery

  • Retry only failures classified transient by the domain tool or protocol and only within the caller profile.
  • Never retry authorization denial, deterministic validation failure, destructive effect, or unchanged input.
  • Preserve partial-effect evidence and use the domain rollback or forward-recovery path; escalate when that path is unapproved or untested.
  • Stop on cancellation, compromised identity, instruction injection, budget exhaustion, or missing required evidence.

Termination

Success when each material claim is cited and version-scoped; stop when the search budget is reached and report uncovered subquestions.

Metrics

  • primary-source ratio
  • citation defect rate
  • decision reversals caused by missed evidence

Tradeoffs

Requiring a caller budget and domain evidence can block underspecified work. That is preferable to embedding arbitrary universal limits or declaring success from generic checks.

Anti-Patterns

  • Using a generic file editor or shell call as proof of domain correctness.
  • Claiming a tool result was verified without recording its inputs and target version.
  • Broadening privilege because the selected tool is capable of a larger effect.

Enterprise Considerations

Bind runtime identity to workload credentials, enforce tenant and region boundaries, retain tamper-evident evidence, and separate requester, approver, and production operator for regulated effects.

Checklist

  • Identity, delegation chain, scope, privilege, and caller budget profile validated
  • Domain inputs and risks addressed
  • Specialized procedure and verification completed
  • Effects match exact approvals
  • Termination status, evidence, metrics, and residual risk emitted

Authoritative Sources

Changelog

  • 2.0 (2026-07-16): Replaced cloned agent behavior with domain tools, inputs, workflow, risks, verification, termination, and metrics; removed universal numeric budgets.
  • 1.1: Initial standardized contract.