Pairbook MCP server

by pairbook-io·io.github.pairbook-io/pairbook-mcp·v1.3.1

Portfolio risk analysis, correlation and ETF overlap for 4,700+ US stocks and ETFs. Free, no key.

C65/100grade C

What users say

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Safety scan

C65/100

Adoption

New

61 downloads/wk

Reviews

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

write = sends, deletes, buys or posts

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

analyze_portfolio
Whole-portfolio risk and diversification analysis for 2 to
compare_pair
Correlation (weekly returns), annualized covariance, beta vs S&P 500, volatility,
find_diversifiers
Assets with the lowest or most negative 3-year correlation to the given US stock
resolve_symbol
Find the ticker for a company or fund name (e.g. 'nvidia' -> NVDA) across PairBook's
symbol_profile
One US stock or ETF: beta vs S&P 500, annualized volatility, 1/3/5-year returns,
weekly_returns
Weekly return series for one US stock or ETF (W-FRI, most recent last,

scanner v0.1.10 · 2026-10-30 · same rubric, same numbers if you re-run it

no findings

Code scan10 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
Maintenancerepository not readable: repo not found3/15
Maintainer identityno repository or website to verify2/10

Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

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

Safety score: 65/100; higher than 20% of 48,243 servers
Tools: 6; the typical server has 7
Tools that change things: 0%; typical: 0%. Fewer write tools means less an agent can break
Downloads a week: 61; more than 48% of 12,306 servers with a package

What its tools let an agent do: 6 read

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

claude mcp add pairbook-mcp -- npx -y pairbook-mcp

Is Pairbook MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Pairbook safety report
How do I install Pairbook?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Pairbook need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Pairbook maintained?: The latest release is v1.3.1.
How does Pairbook compare with other MCP servers?: safety score 65/100 (higher than 20% of 48,243 servers); tools 6 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.