congressgov-mcp-server

Congress.gov Committee Reports

congressgov_committee_reports

Read-onlyIdempotent

Browse and retrieve committee reports from Congress.gov — reports accompany legislation reported out of committee and explain the bill's purpose, committee amendments, dissenting views, and the committee vote. Report types are 'hrpt' (House), 'srpt' (Senate), and 'erpt' (Executive). 'text' lists the published format URLs; 'content' then reads the report's actual text, a bounded character window at a time.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`limit`	No	Results per page (1-250).
`format`	No	Document format for 'content'. 'text' is GPO's Formatted Text — plain, pre-formatted print output, published for every document checked. 'xml' prefers United States Legislative Markup and falls back to Formatted XML; it exists on some bill text versions and on no committee report or Congressional Record article. PDF is not retrieved — read one at the format URLs 'text'/'articles' return.	text
`offset`	No	Pagination offset.
`congress`	Yes	Congress number.
`operation`	Yes	Which data to retrieve.
`reportType`	No	Report type. Required for get, text, and content operations.
`reportNumber`	No	Committee report number. Required for get, text, and content operations.
`characterLimit`	No	Maximum characters to return for 'content' (1-100000). Legislative documents run past a million characters, so a full bill takes several windows.
`characterOffset`	No	First character to return for 'content', 0-based. Offsets are exact and are never snapped to a section or paragraph break, so feeding the response's nextOffset back walks the whole document with every character returned exactly once.

Output Schema

TableJSON Schema

Name	Required	Description
`data`	No	Result rows. Per-tool item shape is rendered in the markdown body.
`text`	No	Dynamic upstream JSON records.
`error`	No	Present when the call failed. Absent on success.
`notice`	No	Guidance when results are empty, a page is past the end, or a caveat applies.
`report`	No	Dynamic upstream JSON record.
`content`	No	Dynamic upstream JSON record.
`pagination`	No	Pagination metadata: total count and next offset.
`totalCount`	No	Total results across all pages.
`effectiveQuery`	No	The browse scope and applied filters.

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedOct 13, 2026

changedOutput schema / properties / error / properties / data / properties / reason / description

Previous value: -"Machine-readable failure mode. Declared by this tool: `not_found`: A requested bill, member, committee, report, vote, or nomination does not exist in Congress.gov. `rate_limited`: The Congress.gov API rate limit (5,000 requests/hour per key) was exceeded. `invalid_request`: Congress.gov rejected the request as malformed — a bad date range or an identifier with an unexpected shape. `upstream_error`: Congress.gov returned an unexpected error (5xx or another non-2xx status). `document_unavailable`: The 'content' selection resolves to no retrievable document — the text version or article index is past the end of the list, the record publishes no formats at all, or Congress.gov does not hold the file its own metadata names. `format_unavailable`: The document exists but publishes nothing in the requested 'format' — some text versions and committee reports ship PDF only, and no Congressional Record article publishes XML. `document_fetch_failed`: www.congress.gov did not return a readable document — a non-2xx status, a network failure, an empty body, or a content type that is not text or XML. `document_too_large`: The document is larger than the byte ceiling this server retrieves, so no character window can be served from it. `offset_past_end`: characterOffset is at or beyond the last character of every text the call would window — the document on 'content', or every returned row's summary text on 'summaries' — so the window would be empty. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `not_found`: A requested bill, member, committee, report, vote, or nomination does not exist in Congress.gov. `rate_limited`: A process-local attempt budget or the shared upstream credential/IP quota was reached; upstream hourly limits vary and DEMO_KEY also has a daily quota. `invalid_request`: Congress.gov rejected the request as malformed — a bad date range or an identifier with an unexpected shape. `upstream_error`: Congress.gov returned an unexpected error (5xx or another non-2xx status). `upstream_timeout`: The Congress.gov request deadline expired or the upstream returned an HTTP timeout response. `document_unavailable`: The 'content' selection resolves to no retrievable document — the text version or article index is past the end of the list, the record publishes no formats at all, or Congress.gov does not hold the file its own metadata names. `format_unavailable`: The document exists but publishes nothing in the requested 'format' — some text versions and committee reports ship PDF only, and no Congressional Record article publishes XML. `document_fetch_failed`: www.congress.gov did not return a readable document — a non-2xx status, a network failure, an empty body, or a content type that is not text or XML. `document_too_large`: The document is larger than the byte ceiling this server retrieves, so no character window can be served from it. `offset_past_end`: characterOffset is at or beyond the last character of every text the call would window — the document on 'content', or every returned row's summary text on 'summaries' — so the window would be empty. `incompatible_identity`: A list operation carries an entity identifier that only a detail operation uses. Other values are possible when a failure originates below the handler."

changedOutput schema / properties / error / properties / data / properties / reason / examples

Previous value: -[
-  "not_found",
-  "rate_limited",
-  "invalid_request",
-  "upstream_error",
-  "document_unavailable",
-  "format_unavailable",
-  "document_fetch_failed",
-  "document_too_large",
-  "offset_past_end"
-]New value: +[
+  "not_found",
+  "rate_limited",
+  "invalid_request",
+  "upstream_error",
+  "upstream_timeout",
+  "document_unavailable",
+  "format_unavailable",
+  "document_fetch_failed",
+  "document_too_large",
+  "offset_past_end",
+  "incompatible_identity"
+]

Changed1 schema field changedSep 22, 2026

changedOutput schema / properties / error / properties / data / properties / reason / description

Previous value: -"Machine-readable failure mode. Declared by this tool: `not_found`: A requested bill, member, committee, report, vote, or nomination does not exist in Congress.gov. `rate_limited`: The Congress.gov API rate limit (5,000 requests/hour per key) was exceeded. `invalid_request`: Congress.gov rejected the request as malformed — a bad date range or an identifier with an unexpected shape. `upstream_error`: Congress.gov returned an unexpected error (5xx or another non-2xx status). `document_unavailable`: The 'content' selection resolves to no retrievable document — the text version or article index is past the end of the list, the record publishes no formats at all, or Congress.gov does not hold the file its own metadata names. `format_unavailable`: The document exists but publishes nothing in the requested 'format' — some text versions and committee reports ship PDF only, and no Congressional Record article publishes XML. `document_fetch_failed`: www.congress.gov did not return a readable document — a non-2xx status, a network failure, an empty body, or a content type that is not text or XML. `document_too_large`: The document is larger than the byte ceiling this server retrieves, so no character window can be served from it. `offset_past_end`: characterOffset is at or beyond the last character of the document, so the window would be empty. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `not_found`: A requested bill, member, committee, report, vote, or nomination does not exist in Congress.gov. `rate_limited`: The Congress.gov API rate limit (5,000 requests/hour per key) was exceeded. `invalid_request`: Congress.gov rejected the request as malformed — a bad date range or an identifier with an unexpected shape. `upstream_error`: Congress.gov returned an unexpected error (5xx or another non-2xx status). `document_unavailable`: The 'content' selection resolves to no retrievable document — the text version or article index is past the end of the list, the record publishes no formats at all, or Congress.gov does not hold the file its own metadata names. `format_unavailable`: The document exists but publishes nothing in the requested 'format' — some text versions and committee reports ship PDF only, and no Congressional Record article publishes XML. `document_fetch_failed`: www.congress.gov did not return a readable document — a non-2xx status, a network failure, an empty body, or a content type that is not text or XML. `document_too_large`: The document is larger than the byte ceiling this server retrieves, so no character window can be served from it. `offset_past_end`: characterOffset is at or beyond the last character of every text the call would window — the document on 'content', or every returned row's summary text on 'summaries' — so the window would be empty. Other values are possible when a failure originates below the handler."

Changed3 schema fields changedAug 30, 2026

addedOutput schema / properties / content

Added value: +{
+  "additionalProperties": {},
+  "description": "Dynamic upstream JSON record.",
+  "properties": {},
+  "type": "object"
+}

addedOutput schema / properties / report

Added value: +{
+  "additionalProperties": {},
+  "description": "Dynamic upstream JSON record.",
+  "properties": {},
+  "type": "object"
+}

addedOutput schema / properties / text

Added value: +{
+  "description": "Dynamic upstream JSON records.",
+  "items": {
+    "additionalProperties": {},
+    "description": "Dynamic upstream JSON record.",
+    "properties": {},
+    "type": "object"
+  },
+  "type": "array"
+}

Changed6 schema fields changedAug 25, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

addedInput schema / additionalProperties
```
Added value: +false
```

changedOutput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

addedOutput schema / anyOf

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "effectiveQuery",
+      "totalCount"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

addedOutput schema / properties / error

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `not_found`: A requested bill, member, committee, report, vote, or nomination does not exist in Congress.gov. `rate_limited`: The Congress.gov API rate limit (5,000 requests/hour per key) was exceeded. `invalid_request`: Congress.gov rejected the request as malformed — a bad date range or an identifier with an unexpected shape. `upstream_error`: Congress.gov returned an unexpected error (5xx or another non-2xx status). `document_unavailable`: The 'content' selection resolves to no retrievable document — the text version or article index is past the end of the list, the record publishes no formats at all, or Congress.gov does not hold the file its own metadata names. `format_unavailable`: The document exists but publishes nothing in the requested 'format' — some text versions and committee reports ship PDF only, and no Congressional Record article publishes XML. `document_fetch_failed`: www.congress.gov did not return a readable document — a non-2xx status, a network failure, an empty body, or a content type that is not text or XML. `document_too_large`: The document is larger than the byte ceiling this server retrieves, so no character window can be served from it. `offset_past_end`: characterOffset is at or beyond the last character of the document, so the window would be empty. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "not_found",
+            "rate_limited",
+            "invalid_request",
+            "upstream_error",
+            "document_unavailable",
+            "format_unavailable",
+            "document_fetch_failed",
+            "document_too_large",
+            "offset_past_end"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

removedOutput schema / required

Removed value: -[
-  "effectiveQuery",
-  "totalCount"
-]

Changed6 schema fields changedAug 17, 2026

addedInput schema / properties / characterLimit

Added value: +{
+  "default": 25000,
+  "description": "Maximum characters to return for 'content' (1-100000). Legislative documents run past a million characters, so a full bill takes several windows.",
+  "maximum": 100000,
+  "minimum": 1,
+  "type": "integer"
+}

addedInput schema / properties / characterOffset

Added value: +{
+  "default": 0,
+  "description": "First character to return for 'content', 0-based. Offsets are exact and are never snapped to a section or paragraph break, so feeding the response's nextOffset back walks the whole document with every character returned exactly once.",
+  "maximum": 9007199254740991,
+  "minimum": 0,
+  "type": "integer"
+}

addedInput schema / properties / format

Added value: +{
+  "default": "text",
+  "description": "Document format for 'content'. 'text' is GPO's Formatted Text — plain, pre-formatted print output, published for every document checked. 'xml' prefers United States Legislative Markup and falls back to Formatted XML; it exists on some bill text versions and on no committee report or Congressional Record article. PDF is not retrieved — read one at the format URLs 'text'/'articles' return.",
+  "enum": [
+    "text",
+    "xml"
+  ],
+  "type": "string"
+}

changedInput schema / properties / operation / enum

Previous value: -[
-  "list",
-  "get",
-  "text"
-]New value: +[
+  "list",
+  "get",
+  "text",
+  "content"
+]

changedInput schema / properties / reportNumber / description

Previous value: -"Committee report number. Required for get and text operations."New value: +"Committee report number. Required for get, text, and content operations."

changedInput schema / properties / reportType / description

Previous value: -"Report type. Required for get and text operations."New value: +"Report type. Required for get, text, and content operations."

Changed6 schema fields changedMay 30, 2026

removedOutput schema / description

Removed value: -"Detail-mode key 'report' carries: the committee report (citation, title, committees, associated bill); for `text`, an alternative key 'text' carries an array of {type, url} format links."

addedOutput schema / properties / effectiveQuery

Added value: +{
+  "description": "The browse scope and applied filters.",
+  "type": "string"
+}

addedOutput schema / properties / notice

Added value: +{
+  "description": "Guidance when results are empty, a page is past the end, or a caveat applies.",
+  "type": "string"
+}

removedOutput schema / properties / query

Removed value: -{
-  "description": "Echo of the applied filters for list-mode queries. Rendered as the first line of the response.",
-  "type": "string"
-}

addedOutput schema / properties / totalCount

Added value: +{
+  "description": "Total results across all pages.",
+  "type": "number"
+}

addedOutput schema / required

Added value: +[
+  "effectiveQuery",
+  "totalCount"
+]

Changed4 schema fields changedMay 21, 2026

changedOutput schema / description

Previous value: -"Committee report data from Congress.gov API."New value: +"Detail-mode key 'report' carries: the committee report (citation, title, committees, associated bill); for `text`, an alternative key 'text' carries an array of {type, url} format links."

addedOutput schema / properties / data

Added value: +{
+  "description": "Result rows. Per-tool item shape is rendered in the markdown body.",
+  "items": {
+    "additionalProperties": {},
+    "description": "Upstream JSON record. Per-tool item shape is rendered in the markdown body.",
+    "properties": {},
+    "type": "object"
+  },
+  "type": "array"
+}

addedOutput schema / properties / pagination

Added value: +{
+  "additionalProperties": false,
+  "description": "Pagination metadata: total count and next offset.",
+  "properties": {
+    "count": {
+      "description": "Total result count across all pages.",
+      "maximum": 9007199254740991,
+      "minimum": 0,
+      "type": "integer"
+    },
+    "nextOffset": {
+      "anyOf": [
+        {
+          "maximum": 9007199254740991,
+          "minimum": 0,
+          "type": "integer"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "Offset to pass for the next page, or null when there are no more pages."
+    }
+  },
+  "required": [
+    "count"
+  ],
+  "type": "object"
+}

addedOutput schema / properties / query

Added value: +{
+  "description": "Echo of the applied filters for list-mode queries. Rendered as the first line of the response.",
+  "type": "string"
+}

First observedMar 28, 2026

TDQS

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