Server data from the Official MCP Registry
Check a domain's A0-A4 trust level and verified facts before your agent acts.
About
Check a domain's A0-A4 trust level and verified facts before your agent acts.
Security Report
This is a well-architected MCP server with strong security practices. It implements read-only access to a public trust registry, properly handles optional API keys without logging them, validates all inputs, and includes comprehensive error handling. Minor code quality improvements around broad exception handling and request timeout configurability would further strengthen it, but the current implementation poses no significant security risks. Supply chain analysis found 5 known vulnerabilities in dependencies (0 critical, 5 high severity). Package verification found 1 issue.
5 files analyzed · 9 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: INTESTA_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-intesta-intesta-mcp": {
"env": {
"INTESTA_API_KEY": "your-intesta-api-key-here"
},
"args": [
"intesta-mcp"
],
"command": "uvx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
intesta-mcp
An MCP server that lets an AI agent check who it is dealing with before it acts.
Intesta is a trust registry. Every entity has a trust level on the
A0→A4 ladder (A0 claimed · A1 domain-control · A2 payment-verified · A3/A4 higher) and a
set of facts, each marked confirmed (independently verified) or auto_collected (scraped
from public sources, not verified). This server exposes the registry's public reads as
MCP tools so an agent can ask "can I trust this domain, and what is actually proven?" before
it pays a counterparty, shares data, or follows instructions from an unknown party.
Its ethos is Intesta's own: refuse, don't guess. A level is only ever what was proven; an
auto_collected fact is not a verified one. The server reports exactly what the registry says
and never upgrades either.
Tools
| Tool | What it answers |
|---|---|
search_registry(query, limit=10) | Find an entity by name or domain; each result carries its trust level. |
check_trust(domain) | The headline: A0..A4 level, whether it's attested, what_is_proven, and the proof method (e.g. dns_txt). |
get_facts(domain) | The entity's public facts, each flagged confirmed vs auto_collected, with its source. |
ask_entity(domain, question) | A question answered only from that entity's registry facts, with a passport_hash and, when configured, a registry signature you can verify offline. |
trust_ladder() | What each of A0..A4 means. |
All tools are read-only and need no API key — public registry reads work out of the box.
An optional INTESTA_API_KEY (ik_…) is only needed for metered or private use.
Install
// Claude Desktop / any MCP client — mcp config
{
"mcpServers": {
"intesta": { "command": "uvx", "args": ["intesta-mcp"] }
}
}
Or run directly:
uvx intesta-mcp
Example
Agent is about to send funds to
acme-invoicing.com.
check_trust("acme-invoicing.com")
→ { "level": "A0", "attested": false,
"what_is_proven": "listed only; nothing independently verified" }
A0 and attested:false means the domain is unproven — the agent should pause or escalate
(pair this with Raposa Aval for a human approval step) rather than
assume the counterparty is who it claims to be.
Development
python3 -m venv .venv && .venv/bin/pip install -e ".[test]"
.venv/bin/python -m pytest -q # contract tests, no network
MIT · a DC ESCRYPT product · https://intesta.io
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