GovInbox

Search DLA DIBBS RFQs

search_dibbs

Read-onlyIdempotent

Not affiliated with the U.S. government, GSA, or SAM.gov. Not a U.S. government service. Defense Logistics Agency simplified-acquisition RFQs from DIBBS, the bid board where DLA posts thousands of small-purchase solicitations (parts, medical, clothing, subsistence) that rarely appear on SAM.gov. Filter by keyword, NSN, solicitation number, or buyer code. Quotes are due 3:00 PM Eastern on the return-by date. The status filter is computed from recorded deadlines, not a live verification. Unknown deadlines are included only with status=all. Present as information only. One search counts as one use, regardless of how many records are returned. Every record carries a direct source link (or source name and record ID) so you can verify and cite the underlying record.

Input Schema

Name	Required	Description	Default
`nsn`	No	National Stock Number filter, digits with or without dashes, e.g. 8465015148739
`limit`	No	Maximum 50 records; minimum 1; default 20.
`query`	No	Keyword filter over item description, solicitation number, and NSN
`status`	No	Computed recorded-deadline status. all preserves historical and unknown-deadline records.	all
`buyer_code`	No	Recorded DLA buyer code substring
`match_mode`	No	Keyword matching mode; acronym excludes embedded forms such as SBIRT for SBIR.	substring
`solicitation`	No	Solicitation number filter, e.g. SPE4A626T1775

Output Schema

Name	Required	Description	Default
`rfqs`	Yes
`count`	Yes
`quota`	Yes
`coverage`	Yes
`data_caveat`	No	Data quality caveat	DLA DIBBS simplified-acquisition RFQs from DLA's published daily index. Quotes are typically due 3:00 PM Eastern on the return-by date. Verify terms against the solicitation on DIBBS before quoting.
`applied_filters`	No
`analytical_disclaimer`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed47 schema fields changedOct 24, 2026

addedInput schema / properties / buyer_code

Added value: +{
+  "anyOf": [
+    {
+      "maxLength": 32,
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "Recorded DLA buyer code substring",
+  "title": "Buyer Code"
+}

addedInput schema / properties / limit / description

Added value: +"Maximum 50 records; minimum 1; default 20."

addedInput schema / properties / match_mode

Added value: +{
+  "default": "substring",
+  "description": "Keyword matching mode; acronym excludes embedded forms such as SBIRT for SBIR.",
+  "enum": [
+    "substring",
+    "phrase",
+    "acronym"
+  ],
+  "title": "Match Mode",
+  "type": "string"
+}

changedInput schema / properties / nsn / anyOf

Previous value: -[
-  {
-    "maxLength": 32,
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "maxLength": 32,
+    "pattern": "^[0-9-]+$",
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

addedInput schema / properties / status

Added value: +{
+  "default": "all",
+  "description": "Computed recorded-deadline status. all preserves historical and unknown-deadline records.",
+  "enum": [
+    "open",
+    "closed",
+    "all"
+  ],
+  "title": "Status",
+  "type": "string"
+}

addedOutput schema / $defs / Coverage / properties / as_of / anyOf

Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "type": "null"
+  }
+]

addedOutput schema / $defs / Coverage / properties / as_of / default
```
Added value: +null
```

changedOutput schema / $defs / Coverage / properties / as_of / description

Previous value: -"UTC ISO 8601"New value: +"Known source observation time; null when not recorded. Not the query time."

removedOutput schema / $defs / Coverage / properties / as_of / type
```
Removed value: -"string"
```

addedOutput schema / $defs / Coverage / properties / cache_timestamp_basis

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Cache Timestamp Basis"
+}

addedOutput schema / $defs / Coverage / properties / cache_timestamp_field

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Cache Timestamp Field"
+}

addedOutput schema / $defs / Coverage / properties / exclusions

Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "title": "Exclusions",
+  "type": "array"
+}

addedOutput schema / $defs / Coverage / properties / last_attempt_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Attempt At"
+}

addedOutput schema / $defs / Coverage / properties / last_attempt_scope

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": true,
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Attempt Scope"
+}

addedOutput schema / $defs / Coverage / properties / last_success_record_count

Added value: +{
+  "anyOf": [
+    {
+      "type": "integer"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Success Record Count"
+}

addedOutput schema / $defs / Coverage / properties / last_success_scope

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": true,
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Success Scope"
+}

addedOutput schema / $defs / Coverage / properties / last_successful_ingest_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Successful Ingest At"
+}

addedOutput schema / $defs / Coverage / properties / last_successful_refresh_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Last Successful Refresh At"
+}

addedOutput schema / $defs / Coverage / properties / latest_cached_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Latest Cached At"
+}

addedOutput schema / $defs / Coverage / properties / latest_stored_fetched_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Latest Stored Fetched At"
+}

addedOutput schema / $defs / Coverage / properties / latest_stored_ingested_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Latest Stored Ingested At"
+}

addedOutput schema / $defs / Coverage / properties / oldest_cached_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Oldest Cached At"
+}

addedOutput schema / $defs / Coverage / properties / oldest_ingested_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Oldest Ingested At"
+}

addedOutput schema / $defs / Coverage / properties / pagination_note

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Pagination Note"
+}

addedOutput schema / $defs / Coverage / properties / population

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Population"
+}

addedOutput schema / $defs / Coverage / properties / population_complete

Added value: +{
+  "default": false,
+  "title": "Population Complete",
+  "type": "boolean"
+}

addedOutput schema / $defs / Coverage / properties / population_status

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Population Status"
+}

addedOutput schema / $defs / Coverage / properties / query_time

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "When this stored-data query was calculated; not proof of source refresh",
+  "title": "Query Time"
+}

addedOutput schema / $defs / Coverage / properties / record_type

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Record Type"
+}

addedOutput schema / $defs / Coverage / properties / refresh_error_code

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Refresh Error Code"
+}

addedOutput schema / $defs / Coverage / properties / refresh_status

Added value: +{
+  "default": "unknown",
+  "title": "Refresh Status",
+  "type": "string"
+}

addedOutput schema / $defs / Coverage / properties / scope_note

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Scope Note"
+}

addedOutput schema / $defs / Coverage / properties / source

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source"
+}

addedOutput schema / $defs / Coverage / properties / source_as_of

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source As Of"
+}

addedOutput schema / $defs / Coverage / properties / source_state

Added value: +{
+  "anyOf": [
+    {
+      "enum": [
+        "matched",
+        "no_match",
+        "not_loaded",
+        "unsupported",
+        "failed_refresh",
+        "unknown"
+      ],
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source State"
+}

addedOutput schema / $defs / Coverage / properties / source_url

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source Url"
+}

addedOutput schema / $defs / Coverage / properties / stored_rows

Added value: +{
+  "anyOf": [
+    {
+      "type": "integer"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Stored Rows"
+}

removedOutput schema / $defs / Coverage / required
```
Removed value: -[
-  "as_of"
-]
```

addedOutput schema / $defs / DibbsRfqRow / properties / computed_deadline

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Computed Deadline"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / deadline_basis

Added value: +{
+  "default": "unknown",
+  "title": "Deadline Basis",
+  "type": "string"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / deadline_source_timezone

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Deadline Source Timezone"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / deadline_status

Added value: +{
+  "default": "unknown",
+  "enum": [
+    "open",
+    "closed",
+    "unknown"
+  ],
+  "title": "Deadline Status",
+  "type": "string"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / match_explanation

Added value: +{
+  "additionalProperties": true,
+  "title": "Match Explanation",
+  "type": "object"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / source_record_id

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source Record Id"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / source_url_unavailable_reason

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Source Url Unavailable Reason"
+}

addedOutput schema / $defs / DibbsRfqRow / properties / status_computed_at

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "title": "Status Computed At"
+}

addedOutput schema / properties / applied_filters

Added value: +{
+  "additionalProperties": true,
+  "title": "Applied Filters",
+  "type": "object"
+}

Changed1 schema field changedOct 18, 2026

addedOutput schema / $defs / QuotaBlock / properties / mode

Added value: +{
+  "default": "ordinary",
+  "enum": [
+    "ordinary",
+    "testing",
+    "review",
+    "beta"
+  ],
+  "title": "Mode",
+  "type": "string"
+}

First observedOct 14, 2026

TDQS

A4.6/5.0

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds substantial context beyond the read-only annotations: status is computed from recorded deadlines rather than live verification, unknown deadlines are dropped under non-'all' statuses, billing is one search = one use regardless of result count, and every record carries a source link for citation. The non-affiliation disclaimer and 'information only' framing further set expectations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Dense and largely waste-free, but the first two sentences are legal disclaimers placed before the actual capability statement, delaying the front-loaded purpose. Every sentence still carries information an agent may need.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a 7-parameter, all-optional search tool with a full output schema, the description covers source, filters, deadline semantics, billing, and verifiability. Nothing an agent needs to call it correctly or interpret results is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3; the description adds value by naming the filter facets (keyword, NSN, solicitation, buyer code) and clarifying that status reflects recorded deadlines, not live verification. It does not explain match_mode's acronym behavior, which stays only in the schema, so it is a modest rather than full addition.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Defense Logistics Agency simplified-acquisition RFQs from DIBBS') and enumerates the domain ('parts, medical, clothing, subsistence'). It also distinguishes itself from other notice sources by noting these 'rarely appear on SAM.gov', so an agent can separate it from search_opportunities/search_grants_gov style siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives clear context for when this source is the right one (small DLA purchases absent from SAM.gov) and explains the status filter caveat that unknown deadlines only appear with status=all. It stops short of explicitly naming an alternative tool to use for SAM.gov notices, so routing is implied rather than fully prescribed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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