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
1 maintainer
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