Crypto Fear Greed IndexSAFE
Providing real-time and historical Crypto Fear & Greed Index data
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
2f1ca7885794OBSERVED · 2026-10-08Connect
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 mcp add crypto-feargreed-mcp -- uvx crypto-feargreed-mcp
{
"mcpServers": {
"crypto-feargreed-mcp": {
"command": "uvx",
"args": [
"crypto-feargreed-mcp"
]
}
}
}Exposed tools (3)
3 read · 0 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
analyze_fng_trend | read | |
get_current_fng_tool | read | Get the current Crypto Fear & Greed Index as a tool. |
get_historical_fng_tool | read |
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.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (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.
2f1ca7885794full audit observations/trust-audit/mcp-server/kukapay__crypto-fear-greed-index.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-08 | 2f1ca7885794 | SAFE | B | 89 | first audit |
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.