fcc-broadband-mcp-server

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  <h1>@cyanheads/fcc-broadband-mcp-server</h1>
  <p><b>Access FCC broadband availability, coverage analysis, and digital divide data for US geographies and census blocks via MCP. STDIO or Streamable HTTP.</b>
  <div>9 Tools • 2 Resources • 1 Prompt</div>
  </p>
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**Public Hosted Server:** [https://fcc-broadband.caseyjhand.com/mcp](https://fcc-broadband.caseyjhand.com/mcp)

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---

## Tools

9 tools for working with FCC broadband data — block-level availability, geography-level coverage analysis, provider search, and BDC bulk download manifests:

| Tool | Description |
|:---|:---|
| `fcc_geocode_block` | Converts a latitude/longitude coordinate to a census block FIPS code (15-digit), county FIPS, county name, state FIPS, state code, and state name. Required prerequisite for `fcc_search_availability`. |
| `fcc_search_availability` | Queries broadband providers and advertised speeds at a census block, filtered by technology type and speed threshold. The starting point for any address-level broadband lookup. |
| `fcc_get_coverage_summary` | Returns a broadband coverage summary for a geography — population with zero, one, two, or three-plus providers at a given speed threshold, split by urban/rural and tribal/non-tribal. |
| `fcc_compare_areas` | Compares broadband coverage metrics across multiple geographies of the same type and returns a ranked table sorted by unserved or underserved population. |
| `fcc_find_underserved` | Finds geographic areas with limited or no broadband coverage at a given speed threshold, ranked by underserved population. The core tool for BEAD program analysis and broadband equity research. |
| `fcc_search_providers` | Searches for ISPs by holding company name, filtered by state and technology type. Returns a deduplicated list with `hoconum` identifiers for follow-up calls. |
| `fcc_get_provider` | Returns a national-level coverage profile for a specific holding company — states served, technologies deployed, and locations covered at each speed tier. |
| `fcc_list_filing_periods` | Returns available data vintages: Form 477 filing periods (Jun 2015–Jun 2021) and BDC as-of dates (Jun 2022 onward, requires credentials). |
| `fcc_list_downloads` | Lists downloadable BDC data files for a specific as-of date — availability by state and provider, mobile coverage, and challenge data. Requires BDC API credentials. |

### `fcc_geocode_block`

Convert geographic coordinates to a census block FIPS code for broadband availability lookups.

- Calls the FCC Geo API — no auth required, no rate limit documented
- Returns 15-digit block FIPS, 5-digit county FIPS, county name, state FIPS, 2-letter state code, and state name
- Required first step before `fcc_search_availability` — the broadband deployment dataset is indexed by census block, not address

---

### `fcc_search_availability`

Query which ISPs serve a specific census block and what speeds they advertise.

- Requires a 15-digit census block FIPS; use `fcc_geocode_block` to convert coordinates first
- Filter by technology code (fiber=50, cable=40–43, DSL=10–12, satellite=60, fixed wireless=70)
- Filter by minimum advertised download speed in Mbps
- Filter to consumer-only or business-only service
- Returns per-provider records with `hoconum`, `techcode`, `maxaddown`, `maxadup`, `consumer`, `business`
- Coverage is Form 477 data through June 2021 — reflects ISP-reported availability at census block granularity (not address-level)

---

### `fcc_get_coverage_summary`

Analyze broadband access across any US geography at a given speed threshold.

- Supports seven geography types: `nation`, `state`, `county`, `cd` (congressional district), `place` (census-designated place), `cbsa` (metro area), `tribal`
- Technology filter: any wired/fixed wireless (`acfosw`), fiber only (`f`), cable (`c`), DSL (`a`), satellite (`s`), fixed wireless (`w`), or combinations
- Speed thresholds: 0.2, 4, 10, 25 (FCC legacy broadband definition), 100 (BEAD standard), 250, 1000 Mbps
- Returns population breakdowns: zero providers (unserved), one (no competition), two, three-plus; coverage %, unserved %, competitive %
- Per-segment breakdown by urban/rural and tribal/non-tribal for equity analysis

---

### `fcc_compare_areas`

Rank geographies by broadband access metrics to identify where underservice is worst.

- Compare up to 50 geographies of the same type, or all 50 states + DC via `compare_all_states: true`
- Sort by unserved population share, raw unserved headcount (useful for BEAD funding allocation), coverage rate, or competitive share
- Returns a ranked table with per-geography population and coverage metrics

---

### `fcc_find_underserved`

Find the most broadband-underserved areas within a state or nationwide.

- Scope to a specific state or run nationwide (returns top areas only)
- Geography granularity: county, congressional district, census place, or CBSA
- Default filter: rural areas only — where underservice is most concentrated
- Minimum unserved population threshold to exclude very small areas
- Results ranked by unserved population percentage

---

### `fcc_search_providers`

Look up ISPs by name or state to get `hoconum` identifiers for follow-up queries.

- Case-insensitive partial name match — e.g., `"Comcast"`, `"T-Mobile"`, `"Frontier"`
- Filter by 2-letter state abbreviation or technology code
- Returns deduplicated holding companies with `hoconum`, states served, and technology codes
- Geographic filtering is state-level; sub-state granularity requires cross-referencing block data via `fcc_search_availability`
- Up to 200 results per call

---

### `fcc_list_filing_periods`

Discover valid data vintages before querying download manifests.

- Form 477 periods (Jun 2015–Jun 2021) are hardcoded — always available, no credentials needed
- BDC as-of dates (Jun 2022 onward) are fetched live from the authenticated API — requires `FCC_BDC_USERNAME` and `FCC_BDC_HASH_VALUE`
- Call before `fcc_list_downloads` to determine valid `as_of_date` values

---

### `fcc_list_downloads`

List BDC bulk data files available for download for a specific filing period.

- Requires BDC API credentials (`FCC_BDC_USERNAME`, `FCC_BDC_HASH_VALUE`)
- Filter by data type (availability or challenge), file category, technology type, state, or provider name
- Returns file metadata — provider, state, technology, record count — plus download URLs
- Returns file manifests, not file contents; BDC CSVs are large zipped files not suitable for inline API response

## Resources and prompts

| Type | Name | Description |
|:---|:---|:---|
| Resource | `fcc-broadband://geography/{type}/{id}/summary` | Broadband coverage summary for a specific geography: provider counts by speed tier, urban/rural split, tribal breakdown. Addressable by type and GEOID. |
| Resource | `fcc-broadband://providers/list` | List of all Form 477 holding companies with `hoconum` identifiers and names. Reference for resolving `hoconum` before calling `fcc_get_provider`. |
| Prompt | `broadband_equity_analysis` | Structures a digital divide analysis comparing broadband access across demographic groups — guides chaining with Census and BLS data. Accepts `region` and `focus` (`underserved`, `rural`, `tribal`, `all`). |

All resource data is also reachable via tools. The `providers/list` resource is derived from the deployment table via `$group` aggregation — use `fcc_search_providers` for filtered lookups.

## Features

Built on [`@cyanheads/mcp-ts-core`](https://www.npmjs.com/package/@cyanheads/mcp-ts-core):

- Declarative tool, resource, and prompt definitions — single file per primitive, framework handles registration and validation
- Unified error handling — handlers throw, framework catches, classifies, and formats
- Pluggable auth: `none`, `jwt`, `oauth`
- Swappable storage backends: `in-memory`, `filesystem`, `Supabase`, `Cloudflare KV/R2/D1`
- Structured logging with optional OpenTelemetry tracing
- S