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com.bellwethermetrics/bellwether-mcp

NPM · BELLWETHER-MCP · SCANNED AUG 3

Live prediction market data from Polymarket and Kalshi with VWAP pricing and reportability.

Available components

+24 this week 70 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →

Supply Chain Security86
  • No malware found by supply-chain analysis.Pass
  • Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.Partial
  • No install/post-install scripts declared.Pass
  • Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
Schema Quality & AI Usability81
  • AI-judged instruction clarity (excellent).Pass
  • Tool/resource definitions use about 409 tokens (~81/item across 5 items; 5 tools + 0 resources), lean.Pass
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
  • Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

npm · bellwether-mcp

# add to Claude Code
claude mcp add com-bellwethermetrics-bellwether-mcp -- npx -y bellwether-mcp
# add to Codex CLI
codex mcp add com-bellwethermetrics-bellwether-mcp -- npx -y bellwether-mcp
// opencode.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "com-bellwethermetrics-bellwether-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "bellwether-mcp"
      ],
      "enabled": true
    }
  }
}
# add to OpenClaw
openclaw mcp add com-bellwethermetrics-bellwether-mcp --command npx --arg -y --arg bellwether-mcp
# ~/.hermes/config.yaml
mcp_servers:
  com-bellwethermetrics-bellwether-mcp:
    command: "npx"
    args: ["-y", "bellwether-mcp"]
// mcp.json
{
  "mcpServers": {
    "com-bellwethermetrics-bellwether-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "bellwether-mcp"
      ]
    }
  }
}
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 3 Aug 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

  • 2 Aug 26 +48
    • Provenance: unverified → fail security
    • Install scripts: unverified → pass security
    • Known CVEs: unverified → partial security
    • Malware scan: unverified → pass security
    • Stability: unverified → 0.23 functional
    • MCP protocol: unverified → pass functional
    • Dependency health: unverified → partial functional
    • License: unverified → pass functional
    • Schema quality: unverified → excellent functional
    • Maintenance: unverified → pass functional
    • Licence: MIT functional
  • 1 Aug 26 −7
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 31 Jul 26 −18
    • Malware scan: pass → unverified security
  • 30 Jul 26 +19
    • Dependency health: partial → unverified functional
    • Tool coverage: unverified → 100 functional
  • 28 Jul 26 −19
    • Tool coverage: 100 → unverified functional
    • Dependency health: unverified → partial functional
    • First check of Schema quality: unverified functional
  • 27 Jul 26 46

    First indexed and scored.

Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Analysed npm/[email protected]

Provenance none

Ecosystem: npm · Outcome: none

Dependencies 94 packages

94 packages in the resolved dependency tree · 94 deprecated · 29 stale.

The dependency tree was only partially resolved, so these counts may be incomplete.

MCP tools — 5 exposed · ~409 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
get_market ~85

Get live price, volume-weighted average price (VWAP), and data quality tier for a specific market. Accepts a Bellwether ticker or slug. Always check reportability before citing a price in published content.

NameTypeReqDescription
tickerstringyesBellwether ticker or slug. Example: BWR-DEM-CONTROL-HOUSE-CERTIFIED-ANY-2026

No output schema declared.

No examples provided.

get_platform_spread ~65

Compare prices between Kalshi and Polymarket for a matched market. Returns the spread in cents and which platform is pricing higher. Only works for cross-platform matched markets (is_matched: true).

NameTypeReqDescription
tickerstringyesBellwether ticker for a matched market

No output schema declared.

No examples provided.

get_reportability ~71

Check whether a prediction market is safe to cite in published content. Returns a reportability tier (Reportable, Caution, or Fragile) and plain-English editorial guidance. Always call this before citing a market price in an article or report.

NameTypeReqDescription
tickerstringyesBellwether ticker or slug

No output schema declared.

No examples provided.

get_top_markets ~68

Get the most actively traded prediction markets right now, optionally filtered by political category. Useful for discovering what political questions markets are currently focused on.

NameTypeReqDescription
categorystringFilter by political category
limitintegerMaximum results to return. Default 10, max 50

No output schema declared.

No examples provided.

search_markets ~120

Search active political prediction markets by topic or keyword. Returns matching markets with tickers, titles, and volume. Use this tool first when you need to find a market on a topic — then pass the ticker to get_market for live price data.

NameTypeReqDescription
categorystringFilter by political category
limitintegerMaximum results to return. Default 10, max 50
querystringyesTopic or keyword to search for. Examples: "senate 2026", "federal reserve", "trump tariffs"

No output schema declared.

No examples provided.