Executive Summary: ADR-Ledger / SecureLLM-MCP Integration

Date: 2026-02-05 Author: Claude Sonnet 4.5


Overview

This analysis identifies integration opportunities between adr-ledger and securellm-mcp to build a unified architectural governance system. The document details 5 priority integrations, an implementation roadmap, and estimated impact metrics.

Complementary documents: - INTEGRATION_ANALYSIS.md -- 8 detailed integrations, architecture, 6-phase roadmap, code examples - PROJECT_IMPROVEMENTS.md -- 10 independent improvements (5 per project), implementations with code


Priority Integrations

1. ADR Management via MCP -- Priority: Critical

MCP tools in securellm-mcp to manage ADRs: adr_query (semantic search), adr_create (validated creation), adr_validate (schema + compliance), adr_sync (bidirectional sync), adr_research_backed_proposal (validation by research_agent).

Estimated Effort: 2 weeks


2. Architectural Decision Detection Engine -- Priority: Critical

System that automatically detects architectural changes via code analysis (git hooks), conversation analysis, and governance enforcement.

Git commit -> Code analysis -> Detect impact -> Suggest ADR ->
Research validation -> Generate proposal -> Governance check -> Notify user

Estimated Effort: 3 weeks


3. Semantic Search for ADRs -- Priority: High

Integrate semantic cache for searching over ADRs. Embeddings per ADR (3 chunks: context, decision, alternatives), FAISS vector store, similarity threshold 0.75.

await adrQuery({
  query: "Why did we choose Redis?",
  semantic: true,
  top_k: 5
});
// Returns: ADR-0042 (relevance: 0.94), ADR-0012 (0.67), ADR-0021 (0.58)

Estimated Effort: 2 weeks


4. Research-Backed ADR Creation -- Priority: High

Use research_agent to create ADRs with multi-source validation: deep research (7+ sources), credibility scoring (minimum 0.7), alternative analysis, risk assessment, ADR generation with references.

Estimated Effort: 3 weeks


5. Compliance Automation via ADRs -- Priority: Medium

Use accepted ADRs as enforceable policies via pre-commit hooks.

# ADR-0001: Use NixOS
enforcement:
  - type: "must_not_use"
    pattern: "docker-compose\\.yml"
    severity: "blocking"

Estimated Effort: 4 weeks


Roadmap

Phase Objective Estimated Duration Estimated Hours
Phase 1 Basic MCP integration (query, create, validate, sync) 2 weeks ~80h
Phase 2 Semantic search (embeddings, FAISS, cache) 2 weeks ~80h
Phase 3 Auto-generation (detection engine, code analysis, git hooks) 3 weeks ~120h
Phase 4 Research integration (multi-source validation, quality checks) 3 weeks ~120h
Phase 5 Compliance engine (enforcement, pre-commit, dashboard) 4 weeks ~160h

Total Estimated: 14 weeks (~560 hours)


Expected Impact (Estimates)

Quantitative

Metric Before (Estimated) After (Estimated) Estimated Improvement
Time to create ADR 60-120 min 10-20 min ~70-83%
ADRs created/month 2-3 8-12 ~3-4x
Time to find decision 15-30 min <1 min ~95%
Undocumented decisions ~70% ~10% ~85%
Governance violations 3-5/month 0-1/month ~80%

Note: these values are projections based on experience with similar systems, not measurements of the current environment.

Qualitative

  • Automatic Documentation -- ADRs generated from significant commits, context extracted from code
  • Multi-source Validation -- Research agent validates with real sources, credibility scoring, verifiable references
  • Natural Search -- Semantic similarity surpasses keyword matching, embedding cache reduces costs
  • Enforced Governance -- Blocks commits that violate ADRs, programmatic enforcement, audit trail via Git
  • Data Sovereignty -- ADRs as the source of truth, Git history = decision history, zero SaaS dependency

Next Steps

This Week

  1. Review documents (INTEGRATION_ANALYSIS.md, PROJECT_IMPROVEMENTS.md)
  2. Strategic decisions: prioritize integrations vs independent improvements, sequential vs parallel roadmap, available resources
  3. Quick wins: Native MCP Server for adr-ledger (2 weeks), Semantic cache v2 in securellm-mcp (2 weeks)

Next Month

  1. Implement Phase 1 (core tools: query, create, validate, sync)
  2. Plan Phase 2 (semantic search: vector store, embeddings, chunking)

Next Quarter

  1. Complete Phases 1-3
  2. Production rollout (staging, user acceptance testing, iteration)

Conclusion

The integration between ADR-Ledger and SecureLLM-MCP allows advancing from passive documentation to active architectural governance: automatic documentation via code analysis, validation with verified sources, semantic search, and programmatic decision enforcement. The implementation can be done incrementally over 14 weeks.


Author: Claude Sonnet 4.5 Date: 2026-02-05 Status: Proposal under evaluation