Openfec MCP Server
@cyanheads/openfec-mcp-server Access FEC campaign finance data through MCP. Query data about candidates, money trails, and election filings. STDIO & Streamable HTTP. Its 29 documented tools cover openfec, expenditures, legal, recipient.
People who work with openfec, expenditures and legal and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-08-31 · ★ 2 · #111 OF 318 MAINTAINED FINANCE · VERIFIED 2026-09-18
Apache-2.0 · TypeScript servers · how we verify → /methodology
01 · Install Openfec MCP Server
before you install - you'll need
Set MCP_TRANSPORT_TYPE before connecting. FEC_API_KEY is optional or environment-specific per the README.
Claude Code
claude mcp add cyanheads-openfec-mcp-server --transport http https://openfec.caseyjhand.com/mcp Claude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"cyanheads-openfec-mcp-server": {
"url": "https://openfec.caseyjhand.com/mcp"
}
}
} Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · Evidence
https://openfec.caseyjhand.com/mcp
transport: streamable-http
endpoint alive - responded to MCP initialize · probed 2026-09-17
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to openfec.caseyjhand.com
endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect
license Apache-2.0 - declared in the repository
npm package @cyanheads/openfec-mcp-server - published under the repo owner's npm scope (@cyanheads)
registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner
03 · What Openfec MCP Server can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
What you can build
With this server connected, an agent can find federal candidates by name, state, office, party, or cycle, find political committees by name, type, candidate affiliation, or state, get pre-aggregated committee financial totals for one committee, or rank committees of one entity type, and search itemized individual contributions or aggregate breakdowns by size, state, employer, or occupation.
Capability map
Tools grouped from the project's README - what Openfec MCP Server lets an agent do.
Openfec
12 tools - e.g. Find federal candidates by name, state, office, party, or cycle.; Find political committees by name, type, candidate affiliation, or state.; Get pre-aggregated committee financial totals for one…
openfec_search_candidates · openfec_search_committees · openfec_get_committee_totals · openfec_search_contributions · openfec_search_disbursements · openfec_search_expenditures…
Recipient
2 tools - e.g. Aggregate by payee name; Aggregate by recipient committee ID
by_recipient · by_recipient_id
Single
1 tool - e.g. One committee's totals, one row per two-year cycle it filed
single
Entity
1 tool - e.g. Every committee of one type - presidential, pac, party, pac-party, house-senate, ie-only
by_entity_type
Itemized
1 tool - e.g. Individual contribution records with keyset cursor pagination
itemized
Size
1 tool - e.g. Aggregate breakdowns by contribution size range
by_size
State
1 tool - e.g. Geographic breakdown of contributions
by_state
Employer
1 tool - e.g. Top employer aggregates
by_employer
Latest releases
v0.8.0 · 2026-08-31
OpenFEC input validation · Direct candidate and committee lookups now reject search-only filters, and totals scope requires totals to be enabled (#25) · Resolved Schedule A/B/E and election endpoints reject unsupported…
v0.7.2 · 2026-08-25
mcp-ts-core ^0.12.3 - SDK v2 on the wire · Tool inputs are strict: an unrecognized argument key is rejected by name instead of silently dropped · Advertised schemas move to JSON Schema 2020-12 with…
v0.7.1 · 2026-07-26
Prompt sequence fixes: committee totals, coordinated expenditures, cycle pinning · openfec_money_trail and openfec_campaign_analysis now chain openfec_get_committee_totals and openfec_search_coordinated_expenditures…
04 · Who maintains Openfec MCP Server
openfec-mcp-server is maintained by cyanheads. We track 125 MCP servers from cyanheads - 119 actively maintained, 1,816 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.
- obsidian-mcp-server Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP. ★ 681
- mcp-ts-core Agent-native TypeScript framework for MCP servers. ★ 151
- pubmed-mcp-server Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms. ★ 148
- git-mcp-server Comprehensive Git MCP server enabling native git tools including clone, commit, worktree, & more. ★ 240
- clinicaltrialsgov-mcp-server Search ClinicalTrials.gov - find studies, retrieve results, match patients to eligible trials. ★ 94
- ntfy-mcp-server Send, manage, and replay ntfy push notifications via MCP. ★ 22
05 · Facts
- repository
- github.com/cyanheads/openfec-mcp-server
- category
- finance - ranked #111 of 318 actively-maintained finance servers as of 2026-09-18.
- release cadence
- 9 releases in the last 90 days (latest 2026-08-31)
- registry
- io.github.cyanheads/openfec-mcp-server (active, first published 2026-04-05 · 27 versions)
- packages
- npm:@cyanheads/openfec-mcp-server · npm:@cyanheads/openfec-mcp-server
06 · Openfec MCP Server FAQ
Is Openfec MCP Server still maintained?
Yes - as of 2026-09-18, its last commit was 2026-08-31 and it shipped 9 releases in the last 90 days. We re-verify nightly.
What can Openfec MCP Server do?
With this server connected, an agent can find federal candidates by name, state, office, party, or cycle, find political committees by name, type, candidate affiliation, or state, get pre-aggregated committee financial totals for one committee, or rank committees of one entity type, and search itemized individual contributions or aggregate breakdowns by size, state, employer, or occupation.
How do I install Openfec MCP Server?
Run `npx -y @cyanheads/openfec-mcp-server`. The README documents 2 environment variables (MCP_TRANSPORT_TYPE, FEC_API_KEY) to set first. Set MCP_TRANSPORT_TYPE before connecting. FEC_API_KEY is optional or environment-specific per the README. You can also paste the ready-made client config above.
Does Openfec MCP Server require authentication?
No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-09-17; you can connect without credentials.
07 · Alternatives to Openfec MCP Server
Alternatives to Openfec MCP Server
Maintained finance servers if Openfec MCP Server isn't the fit.
- CCXT Official CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets ★ 44,030 · 2026-09-18
- Tradingview MCP Real-time market data, screeners, technical analysis & backtesting for stocks, crypto and forex. ★ 4,567 · 2026-09-01
- Edgar Tools Open-source SEC EDGAR toolkit - 11 tools, 7 prompts, every filing type. No API key required. ★ 2,726 · 2026-09-17
- TickDB Market Data Real-time & historical market data: forex, stocks, crypto, indices, metals, K-line, quotes ★ 801 · 2026-06-20
- xbbg MCP Local Bloomberg tools for xbbg users. ★ 715 · 2026-09-16
- Emilia Protocol Exact-action approval for consequential agent actions: request, track, and verify signed receipts. ★ 650 · 2026-09-17
Pairs well with
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