political-finance-mcp-server
Provides an MCP server for AI agents to query US political finance data such as campaign contributions/spending, PAC spending, lobbying-related records, and congressional member voting behavior, using upstream public APIs (e.g., FEC and ProPublica Congress).
Score Breakdown
⚙ Agent Friendliness
🔒 Security
The provided materials do not describe authentication between the agent and this MCP server, secret storage, logging/redaction, or fine-grained access controls. The upstream APIs are public-data oriented, but without code-level confirmation, assume risk around API key handling and insufficient rate-limit/error hygiene. TLS enforcement is unknown from README; default expectation is HTTPS for upstream calls, but this is not stated.
⚡ Reliability
Use Cases
- • Ask natural-language questions about campaign fundraising and spending for candidates or election cycles
- • Find top donors by industry/sector and search donations by donor name
- • Summarize PAC spending for a given election cycle
- • Retrieve voting records for Congress members
- • Generate agent responses backed by public political finance and voting datasets
Not For
- • Handling sensitive personal data or making decisions that require legal/financial compliance guarantees
- • Use as a source of truth without validating data provenance and recency
- • Production-grade audit trails without additional verification, logging, and governance
Interface
Authentication
README states FEC API is free/no registration required and ProPublica requires registration; however, the MCP server’s own auth mechanism (if any) and how API keys are provided are not documented in the provided text.
Pricing
No pricing information provided. Upstream sources are described as free (with ProPublica registration), but MCP server hosting/operational costs are not stated.
Agent Metadata
Known Gotchas
- ⚠ No documentation provided for pagination behavior, result limits, or parameter constraints for the listed tools
- ⚠ No documented retry/backoff strategy for upstream rate limits/timeouts
- ⚠ Search/name-based tools may return ambiguous results; agents may need disambiguation logic
- ⚠ Data freshness and completeness depend on upstream API update cadence; README does not clarify caching or sync strategy
Alternatives
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Scores are editorial opinions as of 2026-04-04.