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Rigour

rigour-labs/rigour

Runs quality gates on your codebase through MCP, exposing 26 tools that let AI agents check for hardcoded secrets, structural issues, and AI-specific drift like hallucinated imports. Gates fire automatically when agents write code and return Fix Packets with exact line numbers and remediation steps agents can consume directly. The Brain learns your codebase patterns over time, promoting recurring violations to hard rules. Works with TypeScript, JavaScript, Python, Go, Ruby, and more through AST analysis. Includes a live dashboard in Claude Desktop and VS Code that shows real-time pass/fail scores as agents iterate. Add it with npx and point your MCP config at @rigour-labs/mcp to get instant governance without leaving the agent loop.

GitHub stars
29
tools
9
transport
STDIO
last updated
Oct 19, 2026
View on GitHub

Tools

9 tools

Public tool metadata for what this MCP can expose to an agent.

rigour_checkRun quality gate checks on the project. Matches the CLI 'check' command.1 params

Run quality gate checks on the project. Matches the CLI 'check' command.

Parameters* required
cwdstring
Absolute path to the project root.
rigour_explainExplain the last quality gate failures with actionable bullets. Matches the CLI 'explain' command.1 params

Explain the last quality gate failures with actionable bullets. Matches the CLI 'explain' command.

Parameters* required
cwdstring
Absolute path to the project root.
rigour_statusQuick PASS/FAIL check with JSON-friendly output for polling current project state.1 params

Quick PASS/FAIL check with JSON-friendly output for polling current project state.

Parameters* required
cwdstring
Absolute path to the project root.
rigour_get_fix_packetRetrieves a prioritized 'Fix Packet' (v2 schema) containing detailed machine-readable diagnostic data.1 params

Retrieves a prioritized 'Fix Packet' (v2 schema) containing detailed machine-readable diagnostic data.

Parameters* required
cwdstring
Absolute path to the project root.
rigour_record_failureRecord an operation failure to track retry loops and prompt for documentation consult.3 params

Record an operation failure to track retry loops and prompt for documentation consult.

Parameters* required
categorystring
Optional category (deployment, runtime_error, network, etc.). Auto-classified if omitted.
cwdstring
Absolute path to the project root.
errorMessagestring
The error message or type (e.g., 'Deployment failed').
rigour_clear_failureClear failure history for a category after a successful operation or manual fix.2 params

Clear failure history for a category after a successful operation or manual fix.

Parameters* required
categorystring
The failure category to clear (e.g., 'deployment').
cwdstring
Absolute path to the project root.
rigour_rememberStore a persistent instruction or context that the AI should remember across sessions. Use this to persist user preferences, project conventions, or critical instructions that the agent should always follow.3 params

Store a persistent instruction or context that the AI should remember across sessions. Use this to persist user preferences, project conventions, or critical instructions that the agent should always follow.

Parameters* required
cwdstring
Absolute path to the project root.
keystring
A unique key for this memory (e.g., 'user_preferences', 'coding_style', 'critical_instructions').
valuestring
The instruction or context to remember.
rigour_recallRetrieve stored instructions or context. Call this at the start of each session to restore memory. Returns all stored memories if no key specified.2 params

Retrieve stored instructions or context. Call this at the start of each session to restore memory. Returns all stored memories if no key specified.

Parameters* required
cwdstring
Absolute path to the project root.
keystring
Optional. Key of specific memory to retrieve. If omitted, returns all memories.
rigour_forgetRemove a stored memory by key.2 params

Remove a stored memory by key.

Parameters* required
cwdstring
Absolute path to the project root.
keystring
Key of the memory to remove.

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Readme

Rigour

npm version npm downloads License: MIT MCP Registry

A reviewer that knows how your team works, whichever agent writes the code.

Whichever agent your engineers use, its work arrives already shaped by how your team builds software, and it gets closer to your standards every week.

Teams used to carry their judgment through people: the senior who briefed you before you started, the reviewer who caught what you missed, the engineer who remembered why the last attempt failed. Coding agents write faster than any person can brief, review or remember. The knowledge is still in your team; Rigour is how it reaches every agent, at the speed agents work.

Works with Claude Code, Cursor, Codex, Cline and Windsurf. Free, open source, and runs on your machine.

View the full README on GitHub

Details

Repository
github.com/rigour-labs/rigour
Package
@rigour-labs/mcp
Transport
STDIO
Registry
MCP registry, active