PyRIT MCP Server
Exposes Microsoft's PyRIT AI red-teaming framework as structured tools for MCP-compatible agents, enabling authorized AI security assessments through engagements, targets, attacks, scoring, and reporting.
README
PyRIT MCP Server
An MCP (Model Context Protocol) server that exposes Microsoft's PyRIT AI red-teaming framework as a set of structured, discoverable tools for MCP-compatible agents (Claude Code, Antigravity, etc.).
This server is an execution layer only. It does not contain pentesting methodology, does not decide which attack to run, and does not hardcode attack sequences. The calling agent is responsible for all planning and decision-making; this server just executes what it's told, against authorized targets, and returns structured results.
Quickstart
uv sync
uv run python server.py
This starts the server on stdio, ready to be attached to an MCP client. See docs/examples.md for Claude Code / Antigravity client configuration.
What it does
- Engagements: independent, stateful red-team sessions (
create_engagement,list_engagements,get_engagement,close_engagement). - Targets: configure any REST/JSON chat endpoint as an attack target (
configure_target,get_target,validate_target). - Attacks: run/continue/cancel any of PyRIT's attack strategies against a target
(
list_attack_strategies,run_attack,continue_attack,cancel_attack). - Scoring: score any response with a PyRIT scorer (
score_response,get_scores). - Reports: generate JSON/Markdown/HTML reports from engagement findings, scores, and timeline
(
generate_report,list_reports,export_report). - Discovery: introspect what's available (
get_server_info,get_pyrit_version,list_capabilities). - Findings: record and list findings on an engagement (
add_finding,list_findings).
See docs/tool_reference.md for the full tool reference.
Documentation
Requirements
- Python 3.12+
- uv (or Poetry)
Testing
uv run pytest
Security notes
This server is designed for authorized AI security assessments only. It stores no API keys in reports, redacts auth tokens/headers in every serialized view, and never logs secret values. It sends real HTTP requests to whatever endpoint you configure as a target -- only point it at systems you are authorized to test.
Contributing
Contributions are welcome. See CONTRIBUTING.md.
License
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