Evr runs on your own machine — the client starts it, so there is no endpoint to ping. 136 installs a week from pypi. Last commit 12 Aug 2026.
Checks agent traces for evidence-readiness: verifies evidence is present, not that it is true.
What the code does
We read the source, 2 d ago · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
proc = subprocess.run(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add evr -- uvx evidence-readiness{
"mcpServers": {
"evr": {
"args": [
"evidence-readiness"
],
"command": "uvx"
}
}
}[mcp_servers.evr]
command = "uvx"
args = ["evidence-readiness"]{
"mcpServers": {
"evr": {
"args": [
"evidence-readiness"
],
"command": "uvx"
}
}
}{
"mcpServers": {
"evr": {
"args": [
"evidence-readiness"
],
"command": "uvx"
}
}
}Alternatives to Evr
same job, measured the same wayTamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.
Watchdog for unattended AI agents: alerts, evidence checks and a verifiable proof per run.
Source-traced evidence research for AI agents. We organise the evidence; you decide.
Tamper-evident audit logs for AI agents: submit, fetch, and verify cryptographic proof bundles.
Independent AI-agent reviews: trust checks, evidence scorecards, incident registry, recommendations.
Verifiable cognition: prove a session ledger is tamper-evident; audit & import any agent's logs.
Commit-time policy checks for AI agent writes (ALLOW/DENY/STEP_UP) with a tamper-evident audit log.
Commit-time policy checks for AI agent writes (ALLOW/DENY/STEP_UP) with a tamper-evident audit log.
Evr — questions
Answers built from our own checks of this server.