Record MCP tool activity, check deterministic contracts, and audit historical authorization decisions.
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Actiontape is an MCP server that record MCP tool activity, check deterministic contracts, and audit historical authorization decisions. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 85/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"actiontape": {
"args": [
"-y",
"actiontape"
],
"command": "npx"
}
}
}Are you the author?
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ActionTape records and analyzes AI agent tool calls. Today it is a deterministic recording, contract-testing, and historical authorization layer for Model Context Protocol (MCP) stdio traffic: capture real sessions, normalize them into ActionEnvelope records, check them against declarative contracts, and ask what a candidate AuthZEN policy would have decided — with evidence of which COAZ-MCP authorization mapping actually applied at each point in the recording.
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y 'actiontape' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories - click any category to see the underlying evidence.
No known CVEs.
Checked actiontape against OSV.dev.
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