Acquisition.gov MCP
Read-only, deterministic MCP access to the official Acquisition.gov FAR Overhaul (RFO) model-part pages, the posted agency-deviation index, official deviation PDFs, and a small allowlist of RFO guidance resources.
This server reports source content and metadata. It does not decide which rule governs a procurement. In particular, model deviation text is not treated as operative for an agency without that agency's posted deviation.
Install
uvx acquisition-gov-mcp==1.0.0
The server uses stdio, requires no credentials, and defaults to a three-second cross-process interval between Acquisition.gov requests. FEDERAL_API_MIN_INTERVAL_SECONDS may increase or decrease that interval for controlled testing; production clients should retain three seconds.
Tools
| Tool | Purpose |
|---|---|
list_rfo_parts(part?, agency?, updated_since?) |
List RFO model parts with official source dates and matching posted-deviation counts. |
get_rfo_part(part, section?, cursor?, max_characters?) |
Retrieve parsed, paginated model text for one FAR part. |
list_rfo_agency_deviations(agency?, part?, limit?) |
Discover posted deviation documents. At least one filter is required. |
get_rfo_agency_deviation(source_id, page_start?, page_end?) |
Resolve only an indexed source ID and return page-numbered PDF text and document-found applicability language. |
get_rfo_guidance(resource, heading?, cursor?) |
Retrieve the FAQ, policy-and-guidance page, or FAR Council deviation-guidance PDF. |
Every retrieved source includes a canonical URL, UTC retrieval time, SHA-256 content hash, extraction status, and warnings. Agency PDF dates and applicability are returned only when labeled language is found inside the document; filenames are never used to infer them.
Safety boundary
- Only
https://acquisition.govandhttps://www.acquisition.govare allowed. - Redirect targets are revalidated; credentials, explicit ports, arbitrary hosts, and private IP targets are rejected.
- Responses are limited by content type, bytes, redirects, pages, and output length.
- HTTP 429 is not burst-retried.
Retry-Afteris retained in the shared pacing state. - If the Python TLS transport stalls against Acquisition.gov's CDN, the server may use an installed system
curlfor the same prevalidated URL; redirects remain disabled and revalidated by the server. - Duplicate and conflicting index entries are returned with warnings instead of silently resolved.
- Scanned, encrypted, and malformed PDFs return explicit extraction status and metadata where possible.
See testing.md for the release evidence and live-gate instructions.
1 maintainer
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