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Read-only access to signed, verifiable crypto index prices from the Pulse Verity Index
About
Read-only access to signed, verifiable crypto index prices from the Pulse Verity Index
Security Report
This is a well-designed read-only MCP server for accessing signed crypto index prices. Authentication is properly implemented via environment variable, permissions are appropriately scoped to read-only API calls, and the code demonstrates strong security practices including cryptographic verification, proper error handling, and intentional API pinning. Minor code quality observations do not materially affect the security posture. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
6 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: PULSE_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-pulsebet-pulse-verity": {
"env": {
"PULSE_API_KEY": "your-pulse-api-key-here"
},
"args": [
"-y",
"pulse-verity"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Pulse Verity Index
pulse-verity connects an AI agent to the Pulse Verity Index: signed,
verifiable crypto index prices through the Model Context Protocol (MCP).
It exposes exactly three read-only tools:
| Tool | Purpose |
|---|---|
get_index_price(symbol) | Return the current signed index value. |
get_settlement_print(symbol, at) | Return the recorded signed print nearest a moment. |
verify_print(print) | Verify a print locally with ECDSA and the published public key. |
There are no write tools. This package contains no Pulse platform engine code.
It only calls the public Pulse Verity Index API. The developer supplies their
own API key through PULSE_API_KEY.
Install
Create a developer API key at thepulse.markets/developers, then add the server to your MCP client:
claude mcp add pulse-verity \
--env PULSE_API_KEY=pidx_your_key_here \
-- npx -y pulse-verity
For any stdio MCP client:
{
"mcpServers": {
"pulse-verity": {
"command": "npx",
"args": ["-y", "pulse-verity"],
"env": { "PULSE_API_KEY": "pidx_your_key_here" }
}
}
}
Security boundary
- Read-only MCP tools only.
- API origin pinned to the public Pulse Verity Index API.
- Developer key read from local configuration and sent only to that API.
- Print verification happens locally using ECDSA P-256/SHA-256.
- No wallet, account, platform-engine, venue-level, or private repository code.
See SECURITY.md for reporting instructions.
Verify locally
npm ci
npm test
The test suite builds the package, checks signed-print verification and negative cases, and runs the Pulse WORDS vocabulary gate over every emittable string.
Alternate install names
The following functional redirect packages install and run this same server:
pulse-verity-index, pulseverityindex, pulseverity, pulse-index, and
pulseindex. They are deprecated in npm metadata so new integrations converge
on the canonical pulse-verity name.
License
MIT
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