Atlas / MCP servers / kukapay / Crypto Fear Greed Index

Crypto Fear Greed IndexSAFE

mcp/kukapay/crypto-fear-greed-index

Providing real-time and historical Crypto Fear & Greed Index data

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
3 3r · 0w · 0d
Transport
—
License
MIT
Stars
52
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A mcp server that provides real-time and historical Crypto Fear & Greed Index data, powered by the Alternative.me.

This server exposes resources and tools for fetching and analyzing the Fear & Greed Index, making it easy to integrate into MCP-compatible clients, including Claude Desktop.

Features

  • Current Index: Retrieve the latest Fear & Greed Index value and classification.
  • Historical Data: Fetch historical index values for a specified number of days.
  • Trend Analysis: Analyze trends over time with statistics like average value and trend direction.
  • Tool-Only Support: Includes tool versions of all resources for compatibility with tool-only MCP clients.
  • Prompt Generation: Provides a prompt template for interpreting index values.

Resources

  • fng://current. Current crypto Fear & Greed Index. Output:
Crypto Fear & Greed Index (as of 2025-03-15 00:00:00 UTC):
Value: 45
Classification: Fear
  • fng://history/{days}. Historical Data of Crypto Fear & Greed Index.Output:
Historical Crypto Fear & Greed Index:
2025-03-15 00:00:00 UTC: 45 (Fear)
2025-03-14 00:00:00 UTC: 48 (Fear)
...

Tools

  • get_current_fng_tool() -> str.

Current Index. Same as fng://current

  • get_historical_fng_tool(days: int) -> str.

Historical Index Data. Same as fng://history/{days}

  • analyze_fng_trend(days: int) -> str.

Index trend Analysis. Output:

Fear & Greed Index Analysis (30 days):
Latest Value: 45 (Fear) at 2025-03-15 00:00:00 UTC
Average Value: 47.3
Trend: falling
Data points analyzed: 30

Prompts

  • interpret_fng

Index Data Interpretation.

Output:

Please interpret this Crypto Fear & Greed Index value and explain what it means
Read from source at commit 2f1ca7885794OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add crypto-feargreed-mcp -- uvx crypto-feargreed-mcp
claude-desktop
{
  "mcpServers": {
    "crypto-feargreed-mcp": {
      "command": "uvx",
      "args": [
        "crypto-feargreed-mcp"
      ]
    }
  }
}
03

Exposed tools (3)

3 read · 0 write · 0 destructive.

ToolRiskDescription
analyze_fng_trendread
get_current_fng_toolreadGet the current Crypto Fear & Greed Index as a tool.
get_historical_fng_toolread
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
declared (5 observation(s))
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (0)

No findings outside the package's declared scope.

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha 2f1ca7885794full audit observations/trust-audit/mcp-server/kukapay__crypto-fear-greed-index.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-082f1ca7885794SAFEB89first audit
06

Questions

What is the Crypto Fear Greed Index MCP server?

Providing real-time and historical Crypto Fear & Greed Index data

What tools does Crypto Fear Greed Index expose?

3 in total: 3 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Crypto Fear Greed Index safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does Crypto Fear Greed Index need?

No credential environment variables were found in its source, so it appears to need none.

How current is this page?

The grade is for one exact copy of the source (2f1ca7885794), read on 2026-10-08. The repository is watched and re-audited when it changes.

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