Opensecrets MCP server

by mrfentmen·io.github.mrfentmen/opensecrets-mcp·v1.0.2

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MCP server for OpenSecrets: money in U.S. politics. Needs a free API key.

A89/100grade A

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Safety scan

A89/100

full report

Adoption

Growing

0 stars167 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Opensecrets tools (4)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

candidate_summary
Raised, spent, cash on hand and debt for one candidate and cycle.
fec_candidate_search
Federal campaign-finance candidate index by name fragment, with office, state and party filters, plus each candidate's principal committees and cycle history.
fec_committee_search
Federal campaign committees by name keyword: type, designation, party, treasurer, filing frequency, cycle span and sponsored candidates.
search_candidates
Find federal candidates by name fragment: party, state, chamber, CRP id.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings

Code scan7 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancelast push 0 days ago15/15
Maintainer identityregistry namespace matches repository owner6/10

Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How Opensecrets compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 89/100; higher than 80% of 48,255 servers
Tools: 4; the typical server has 7
Tools that change things: 0%; typical: 0%. Fewer write tools means less an agent can break
Downloads a week: 167; more than 72% of 12,191 servers with a package

What its tools let an agent do: 4 read

Release history: 2 versions in the registry since 2026-09-22, latest 2026-10-02, typically one every 10 days.

Install Opensecrets in Claude Code, Cursor or VS Code

Runs npx -y opensecrets-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add opensecrets-mcp -- npx -y opensecrets-mcp

Add to Cursor

What the publisher says

From the Opensecrets repository's README, as published. We do not edit it. Read it on GitHub

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Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Opensecrets: common questions

Is Opensecrets MCP server safe?: Yes, by our scan: it is graded A (89/100). Read the Opensecrets safety report
How do I install Opensecrets?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Opensecrets need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Opensecrets maintained?: The last commit was 3 days ago (2026-11-01). The latest release is v1.0.2.
How does Opensecrets compare with other MCP servers?: safety score 89/100 (higher than 80% of 48,255 servers); tools 4 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.