---
phase: 03-agent-interfaces
verification: retroactive
captured: 2026-02-23
audit_source: .planning/v1.0-MILESTONE-AUDIT.md
---

# Phase 03: Agent Interfaces — Verification (Retroactive)

**Note:** This VERIFICATION.md was captured retroactively as part of Phase 4 (Defensive Hardening).
Verification was performed inline during phase execution and documented in individual SUMMARY.md files.
The audit source is `.planning/v1.0-MILESTONE-AUDIT.md`, which cross-references all evidence.

## Requirements Status

| Requirement ID | Description | Status | Evidence |
|---------------|-------------|--------|----------|
| MCP-01 | Expose a `corpus_search` tool via FastMCP for AI agent integration. | SATISFIED | 03-01-SUMMARY.md |
| MCP-02 | Return full file content alongside search results for agent analysis. | SATISFIED (silent OSError hardened in Phase 4) | 03-01-SUMMARY.md |
| MCP-03 | Support all CLI filters (`--source`, `--type`, `--construct`) in MCP tool. | SATISFIED | 03-01-SUMMARY.md |
| MCP-04 | Prevent the MCP server from writing anything to stdout. | SATISFIED | 03-01-SUMMARY.md |
| MCP-05 | Log MCP server events to stderr (not stdout). | SATISFIED | 03-01-SUMMARY.md |
| MCP-06 | Pre-warm the configured embedding model at server startup. | SATISFIED | 03-03-SUMMARY.md |
| API-01 | Provide a public Python API (`corpus_analyzer.api`) for programmatic access. | SATISFIED | 03-02-SUMMARY.md |
| API-02 | Expose a `search()` function that returns typed `SearchResult` objects. | SATISFIED | 03-02-SUMMARY.md |
| API-03 | Expose an `index()` function for programmatic indexing triggers. | SATISFIED | 03-02-SUMMARY.md |
