Verify discovery candidate

verify_discovery_candidate Queue a saved candidate check with an idempotency key. Returns verification/job records with immutable lineage. Uses check allowance on execution; no synchronous verdict.

Name recorded in the 2026-10-17 deployment. This page describes current source; verify inputs and access in your connected catalog. Provider configuration and workspace access still apply.

Access	Behavior
`discovery:read`, `watches:write`	Writes or admits work

Checks and monitoring can consume workspace capacity. Queued admission is not a completed observation; inspect the returned job or saved state.

Example request

Connect through MCP, CLI, or HTTP. Replace example identifiers with records from your workspace.

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "verify_discovery_candidate",
    "arguments": {
      "runId": "run_example",
      "candidateId": "dc_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "idempotencyKey": "docs-request-001"
    }
  }
}

agentlinkops call verify_discovery_candidate --args '{"runId":"run_example","candidateId":"dc_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","idempotencyKey":"docs-request-001"}'

curl --fail-with-body https://app.agentlinkops.com/v1/commands/verify_discovery_candidate \
  -H "Authorization: Bearer $AGENTLINKOPS_TOKEN" \
  -H 'Content-Type: application/json' \
  --data '{"runId":"run_example","candidateId":"dc_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","idempotencyKey":"docs-request-001"}'

Returned result

Schema-validated example; IDs and dates are illustrative. MCP returns this data in structuredContent and in a text content block; generic HTTP and CLI return the JSON result directly.

Full response example

{
  "schema_version": 1,
  "workspace_id": "ws_example",
  "project_id": "pr_example",
  "run_id": "run_example",
  "candidate_id": "dc_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
  "watch_id": "watch_example",
  "job_id": "job_example",
  "local_reference": null,
  "created_at": "2026-09-13T12:00:00.000Z",
  "candidate": {
    "v": 1,
    "id": "dc_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "workspace_id": "ws_example",
    "project_id": "pr_example",
    "discovery_run_id": "run_example",
    "source_url": "https://publisher.example.org/article",
    "target_url": "https://example.com/",
    "provider": "linktrail_corpus",
    "data_mode": "owned_corpus",
    "provider_retrieved_at": "2026-09-13T12:00:00.000Z",
    "provider_first_seen": "2026-09-13T12:00:00.000Z",
    "provider_prev_seen": null,
    "provider_last_seen": "2026-09-13T12:00:00.000Z",
    "provider_status": {
      "is_lost": null,
      "is_broken": null,
      "is_new": null
    },
    "anchor": "Example",
    "rel": [],
    "dofollow": true,
    "link_type": "anchor",
    "source_http_status": 200,
    "target_http_status": null,
    "links_count": 1,
    "provider_metrics": {
      "linktrail_corpus": {
        "source_outlink_count": 1,
        "source_external_outlink_count": 1,
        "fetch_kind": "direct",
        "extraction_complete": true
      }
    },
    "verification_status": "not_checked",
    "verified_at": null,
    "observation_id": null
  },
  "job": {
    "id": "job_example",
    "state": "queued",
    "execution_mode": "candidate_once",
    "error_code": null,
    "created_at": "2026-09-13T12:00:00.000Z",
    "completed_at": null,
    "usage": {
      "unit": "source_check",
      "units": 1,
      "state": "reserved",
      "period": "2026-09"
    }
  },
  "observation": null,
  "watch": {
    "id": "watch_example",
    "status": "paused",
    "local_reference": null
  },
  "recurring_monitoring_created": false,
  "replayed": false
}

Input fields

Omit optional fields when you do not want to supply them. Null is accepted only where listed. Unknown input properties are rejected.

Field	Type	Presence	Meaning and constraints
`runId`	string	Required	run ID from create/list. pattern: `"^[a-zA-Z0-9_-]{1,128}$"`
`candidateId`	string	Required	candidate ID from create/list. pattern: `"^dc_[a-f0-9]{64}$"`
`localReference`	string	Optional	Local ledger reference. minLength: `1`; maxLength: `200`
`idempotencyKey`	string	Required	Caller-generated key reused only for retries of the same operation and arguments in this workspace. pattern: `"^[\\x21-\\x7e]{1,200}$"`

Validation and omitted values

Omitted localReference remains null. The candidate must belong to the supplied saved run. Admission returns a queued job, not verified presence.

Output fields

Fields inside optional or nullable parents apply only when that parent exists. Common schema conventions explain evidence states, empty lists and extensions.

schema_version (number, required).
workspace_id (string, required): Workspace that owns this record.
project_id (string, required): Project that owns this record.
run_id (string, required): Identifier returned by the related operation.
candidate_id (string, required): Identifier returned by the related operation.
watch_id (string, required): Identifier returned by the related operation.
job_id (string, required): Identifier returned by the related operation.
local_reference (string / null, required): Customer reference for joining this record to a local ledger entry.
created_at (string, required): UTC timestamp when the record was created.
candidate (object, required).
job (object, required).
observation (object / null, required).
watch (object, required).
recurring_monitoring_created (boolean, required): Whether this operation enrolled recurring monitoring.
replayed (boolean, optional): True when the response reuses an earlier request with the same idempotency value.

All fields and nested objects

Types, allowed values, limits and nested fields:

Field	Type	Presence	Meaning and constraints
`schema_version`	number	Required	must equal `1`
`workspace_id`	string	Required	Workspace that owns this record.
`project_id`	string	Required	Project that owns this record.
`run_id`	string	Required	Identifier returned by the related operation.
`candidate_id`	string	Required	Identifier returned by the related operation.
`watch_id`	string	Required	Identifier returned by the related operation.
`job_id`	string	Required	Identifier returned by the related operation.
`local_reference`	string / null	Required	Customer reference for joining this record to a local ledger entry.
`created_at`	string	Required	UTC timestamp when the record was created.
`candidate`	object	Required
`candidate.v`	number	Required	must equal `1`
`candidate.id`	string	Required	Resource identifier returned by the operation. pattern: `"^dc_[a-f0-9]{64}$"`
`candidate.workspace_id`	string	Required	Workspace that owns this record. minLength: `1`; maxLength: `128`; pattern: `"^[a-zA-Z0-9_-]+$"`
`candidate.project_id`	string	Required	Project that owns this record. minLength: `1`; maxLength: `128`; pattern: `"^[a-zA-Z0-9_-]+$"`
`candidate.discovery_run_id`	string	Required	Identifier returned by the related operation. minLength: `1`; maxLength: `128`; pattern: `"^[a-zA-Z0-9_-]+$"`
`candidate.source_url`	string	Required	Publisher page URL recorded in this evidence. maxLength: `4096`
`candidate.target_url`	string	Required	Destination URL recorded in this evidence. maxLength: `4096`
`candidate.provider`	string	Required	values: `"linktrail_corpus"`, `"dataforseo"`, `"imported"`
`candidate.data_mode`	string	Required	values: `"synthetic"`, `"owned_corpus"`, `"provider_index"`, `"imported"`
`candidate.provider_retrieved_at`	string	Required	Timestamp when the upstream evidence was retrieved. format: `"date-time"`; pattern: `"^(?:(?:\\d\\d[2468][048]\|\\d\\d[13579][26]\|\\d\\d0[48]\|[02468][048]00\|[13579][26]00)-02-29\|\\d{4}-(?:(?:0[13578]\|1[02])-(?:0[1-9]\|[12]\\d\|3[01])\|(?:0[469]\|11)-(?:0[1-9]\|[12]\\d\|30)\|(?:02)-(?:0[1-9]\|1\\d\|2[0-8])))T(?:(?:[01]\\d\|2[0-3]):[0-5]\\d:[0-5]\\d\\.\\d{3}(?:Z))$"`
`candidate.provider_first_seen`	string / null	Required
`candidate.provider_prev_seen`	string / null	Required
`candidate.provider_last_seen`	string / null	Required
`candidate.provider_status`	object	Required	additional fields rejected
`candidate.provider_status.is_lost`	boolean / null	Required
`candidate.provider_status.is_broken`	boolean / null	Required
`candidate.provider_status.is_new`	boolean / null	Required
`candidate.anchor`	string / null	Required
`candidate.rel`	array / null	Required
`candidate.dofollow`	boolean / null	Required
`candidate.link_type`	string / null	Required
`candidate.source_http_status`	integer / null	Required
`candidate.target_http_status`	integer / null	Required
`candidate.links_count`	integer / null	Required
`candidate.provider_metrics`	object / object / object	Required
`candidate.provider_metrics.dataforseo`	object	Required	additional fields rejected
`candidate.provider_metrics.dataforseo.rank`	integer / null	Required
`candidate.provider_metrics.dataforseo.page_from_rank`	integer / null	Required
`candidate.provider_metrics.dataforseo.domain_from`	string	Optional	minLength: `1`; maxLength: `253`
`candidate.provider_metrics.dataforseo.domain_from_rank`	integer / null	Required
`candidate.provider_metrics.dataforseo.backlink_spam_score`	integer / null	Required
`candidate.provider_metrics.dataforseo.rank_scale`	string	Required	must equal `"one_thousand"`
`candidate.provider_metrics.imported`	object	Required	additional fields rejected
`candidate.provider_metrics.imported.supplier`	string	Required	values: `"ahrefs"`, `"google_search_console"`, `"bing_webmaster_tools"`, `"semrush"`, `"majestic"`, `"moz"`, `"dataforseo"`, `"linkody"`, `"csv"`
`candidate.provider_metrics.imported.supplier_row_id`	string / null	Required	Identifier returned by the related operation.
`candidate.provider_metrics.imported.target_basis`	string	Optional	values: `"supplier_observed"`, `"user_supplied_target_expectation"`
`candidate.provider_metrics.imported.supplier_generated_at`	string / null	Required
`candidate.provider_metrics.imported.supplier_metrics`	object / null	Required
`candidate.provider_metrics.linktrail_corpus`	object	Required	additional fields rejected
`candidate.provider_metrics.linktrail_corpus.source_outlink_count`	integer / null	Required
`candidate.provider_metrics.linktrail_corpus.source_external_outlink_count`	integer / null	Required
`candidate.provider_metrics.linktrail_corpus.fetch_kind`	string	Required	values: `"direct"`, `"rendered"`, `"proxied"`
`candidate.provider_metrics.linktrail_corpus.extraction_complete`	boolean	Required
`candidate.verification_status`	string	Required	AgentLinkOps check state, independent of supplier flags. not_checked means no AgentLinkOps check is recorded. values: `"not_checked"`, `"present"`, `"absent"`, `"unknown"`, `"source_unavailable"`
`candidate.verified_at`	string / null	Required	Timestamp of the AgentLinkOps check; null until checked.
`candidate.observation_id`	string / null	Required	Identifier returned by the related operation.
`job`	object	Required
`job.id`	string	Required	Resource identifier returned by the operation.
`job.state`	string	Required	Saved lifecycle or evidence state, as enumerated for this record.
`job.execution_mode`	string	Required
`job.error_code`	string / null	Required	Error code recorded for this result, or null.
`job.created_at`	string	Required	UTC timestamp when the record was created.
`job.completed_at`	string / null	Required
`job.usage`	object	Required
`job.usage.unit`	string	Required	must equal `"source_check"`
`job.usage.units`	number	Optional
`job.usage.state`	string	Optional	Saved lifecycle or evidence state, as enumerated for this record.
`job.usage.period`	string	Optional
`observation`	object / null	Required
`observation.id`	string	Required	Resource identifier returned by the operation.
`observation.state`	string	Required	Saved lifecycle or evidence state, as enumerated for this record.
`observation.reason`	string / null	Required	Recorded explanation; null when no explanation applies.
`observation.checked_at`	string	Required	UTC timestamp of the saved check.
`watch`	object	Required
`watch.id`	string	Required	Resource identifier returned by the operation.
`watch.status`	string	Required	Resource lifecycle status.
`watch.local_reference`	string / null	Required	Customer reference for joining this record to a local ledger entry.
`recurring_monitoring_created`	boolean	Required	Whether this operation enrolled recurring monitoring. must equal `false`
`replayed`	boolean	Optional	True when the response reuses an earlier request with the same idempotency value.

Download input schema · Download output schema

Errors and retries

When retrying with idempotencyKey, reuse the original value and the same arguments; preserve originally omitted optional fields. Generic HTTP puts idempotencyKey in the JSON body, while resource routes use the header where listed below. A changed payload under a reused key can conflict. See error recovery for status, scope, cooldown, cursor and retry handling. Unknown observations are result data and do not establish loss.

HTTP resource routes

These existing resource routes share the operation’s domain behavior. Their parameter placement, status and response envelope can differ from generic invocation. See HTTP route details.

Method and route	Success	Details
`POST /v1/discovery/runs/{runId}/candidates/{candidateId}/verify`	202	Remaining arguments go in a JSON object body. Supply idempotencyKey as the Idempotency-Key header on this resource route.

Continue

get_candidate_verification Follow the related workflow. See capability status for availability or the command index for another operation.

Overview

MCP, CLI and API commands

CLI client

HTTP and events

Optional local workflows

Verify discovery candidate

Example request

Returned result

Input fields

Validation and omitted values

Output fields

Errors and retries

HTTP resource routes

Continue

​Example request

​Returned result

​Input fields

​Validation and omitted values

​Output fields

​Errors and retries

​HTTP resource routes

​Continue

Example request

Returned result

Input fields

Validation and omitted values

Output fields

Errors and retries

HTTP resource routes

Continue