{"schema_version":"silentcritique.assurance-subject-index.v0.1","resource_type":"assurance_subject_index","generated_at":"2026-08-11T23:24:42.432Z","evidence_mode":"dated_public_smoke_test","live_monitoring":false,"count":15,"subjects":[{"slug":"mcp-calculator","name":"Calculator MCP Server","type":"mcp_server","vendor":"githejie (community)","source_url":"https://github.com/githejie/mcp-server-calculator","score":87,"score_label":"Narrow, deterministic, injection-resistant in smoke test","tested_at":"2026-07-03","updated_at":"2026-07-03","freshness":{"tier":"fresh","age_days":39,"label":"Recently verified"},"snapshot_cursor":"scac_b65860487453010da2a2a818","context_path":"/api/assurance/subjects/mcp-calculator","changes_path":"/api/assurance/subjects/mcp-calculator/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-calculator","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-calculator/changes"},{"slug":"chroma-mcp","name":"Chroma MCP Server","type":"mcp_server","vendor":"Chroma","source_url":"https://github.com/chroma-core/chroma-mcp","score":80,"score_label":"Solid vector-memory primitive, ephemeral mode tested","tested_at":"2026-07-03","updated_at":"2026-07-03","freshness":{"tier":"fresh","age_days":39,"label":"Recently verified"},"snapshot_cursor":"scac_e79c12bcb072b4e4bf14eab1","context_path":"/api/assurance/subjects/chroma-mcp","changes_path":"/api/assurance/subjects/chroma-mcp/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/chroma-mcp","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/chroma-mcp/changes"},{"slug":"excel-mcp","name":"Excel MCP Server","type":"mcp_server","vendor":"haris-musa (community)","source_url":"https://github.com/haris-musa/excel-mcp-server","score":77,"score_label":"Verified workbook round-trip, large untested surface","tested_at":"2026-07-03","updated_at":"2026-07-03","freshness":{"tier":"fresh","age_days":39,"label":"Recently verified"},"snapshot_cursor":"scac_f85b4e7e8d6e85bbe0832ae8","context_path":"/api/assurance/subjects/excel-mcp","changes_path":"/api/assurance/subjects/excel-mcp/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/excel-mcp","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/excel-mcp/changes"},{"slug":"duckduckgo-mcp","name":"DuckDuckGo Search MCP Server","type":"mcp_server","vendor":"nickclyde (community)","source_url":"https://github.com/nickclyde/duckduckgo-mcp-server","score":74,"score_label":"Working keyless search, unofficial upstream","tested_at":"2026-07-03","updated_at":"2026-07-03","freshness":{"tier":"fresh","age_days":39,"label":"Recently verified"},"snapshot_cursor":"scac_2ccb730d385060af2f424a52","context_path":"/api/assurance/subjects/duckduckgo-mcp","changes_path":"/api/assurance/subjects/duckduckgo-mcp/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/duckduckgo-mcp","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/duckduckgo-mcp/changes"},{"slug":"yfinance-mcp","name":"Yahoo Finance MCP Server (yfmcp)","type":"mcp_server","vendor":"narumi (community)","source_url":"https://github.com/narumiruna/yfinance-mcp","score":71,"score_label":"Working market data, unofficial data path","tested_at":"2026-07-03","updated_at":"2026-07-03","freshness":{"tier":"fresh","age_days":39,"label":"Recently verified"},"snapshot_cursor":"scac_a911079fe745008c9dd80554","context_path":"/api/assurance/subjects/yfinance-mcp","changes_path":"/api/assurance/subjects/yfinance-mcp/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/yfinance-mcp","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/yfinance-mcp/changes"},{"slug":"mcp-git-reference","name":"MCP Git Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/git","score":82,"score_label":"Accurate git reads, powerful write surface","tested_at":"2026-06-13","updated_at":"2026-06-13","freshness":{"tier":"aging","age_days":59,"label":"Evidence aging"},"snapshot_cursor":"scac_a84e853782a3e3d7ae7f33e2","context_path":"/api/assurance/subjects/mcp-git-reference","changes_path":"/api/assurance/subjects/mcp-git-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-git-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-git-reference/changes"},{"slug":"mcp-everything-reference","name":"MCP Everything Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/everything","score":81,"score_label":"Clean protocol conformance in smoke test","tested_at":"2026-06-13","updated_at":"2026-06-13","freshness":{"tier":"aging","age_days":59,"label":"Evidence aging"},"snapshot_cursor":"scac_155cd8770f00a4f7a258f456","context_path":"/api/assurance/subjects/mcp-everything-reference","changes_path":"/api/assurance/subjects/mcp-everything-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-everything-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-everything-reference/changes"},{"slug":"mcp-fetch-reference","name":"MCP Fetch Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/fetch","score":79,"score_label":"Focused fetch tool, needs egress guardrails","tested_at":"2026-06-13","updated_at":"2026-06-13","freshness":{"tier":"aging","age_days":59,"label":"Evidence aging"},"snapshot_cursor":"scac_066a51e8800b547ba4136d32","context_path":"/api/assurance/subjects/mcp-fetch-reference","changes_path":"/api/assurance/subjects/mcp-fetch-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-fetch-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-fetch-reference/changes"},{"slug":"mcp-markitdown","name":"MarkItDown MCP Server","type":"mcp_server","vendor":"Microsoft","source_url":"https://github.com/microsoft/markitdown/tree/main/packages/markitdown-mcp","score":78,"score_label":"Clean conversion, broad URI reach","tested_at":"2026-06-13","updated_at":"2026-06-13","freshness":{"tier":"aging","age_days":59,"label":"Evidence aging"},"snapshot_cursor":"scac_abed8a4bdcda3ee38b28573f","context_path":"/api/assurance/subjects/mcp-markitdown","changes_path":"/api/assurance/subjects/mcp-markitdown/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-markitdown","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-markitdown/changes"},{"slug":"mcp-sqlite-reference","name":"MCP SQLite Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers-archived/tree/main/src/sqlite","score":76,"score_label":"Works as shown, but archived and write-broad","tested_at":"2026-06-13","updated_at":"2026-06-13","freshness":{"tier":"aging","age_days":59,"label":"Evidence aging"},"snapshot_cursor":"scac_ba787671b58fa964e82c4b14","context_path":"/api/assurance/subjects/mcp-sqlite-reference","changes_path":"/api/assurance/subjects/mcp-sqlite-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-sqlite-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-sqlite-reference/changes"},{"slug":"mcp-time-reference","name":"MCP Time Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/time","score":88,"score_label":"Narrow, deterministic utility","tested_at":"2026-06-11","updated_at":"2026-06-11","freshness":{"tier":"aging","age_days":61,"label":"Evidence aging"},"snapshot_cursor":"scac_c932da8e197d019420c72680","context_path":"/api/assurance/subjects/mcp-time-reference","changes_path":"/api/assurance/subjects/mcp-time-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-time-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-time-reference/changes"},{"slug":"mcp-filesystem-reference","name":"MCP Filesystem Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/filesystem","score":84,"score_label":"Strong scoped file control in smoke test","tested_at":"2026-06-11","updated_at":"2026-06-11","freshness":{"tier":"aging","age_days":61,"label":"Evidence aging"},"snapshot_cursor":"scac_c73b88502135b0cb5dc7819f","context_path":"/api/assurance/subjects/mcp-filesystem-reference","changes_path":"/api/assurance/subjects/mcp-filesystem-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-filesystem-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-filesystem-reference/changes"},{"slug":"playwright-mcp","name":"Playwright MCP Server","type":"mcp_server","vendor":"Microsoft","source_url":"https://github.com/microsoft/playwright-mcp","score":82,"score_label":"Capable browser automation with high-power surface","tested_at":"2026-06-11","updated_at":"2026-06-11","freshness":{"tier":"aging","age_days":61,"label":"Evidence aging"},"snapshot_cursor":"scac_7f064e4af9abf564d18b2bc0","context_path":"/api/assurance/subjects/playwright-mcp","changes_path":"/api/assurance/subjects/playwright-mcp/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/playwright-mcp","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/playwright-mcp/changes"},{"slug":"mcp-memory-reference","name":"MCP Memory Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/memory","score":76,"score_label":"Useful memory primitive, limited assurance","tested_at":"2026-06-11","updated_at":"2026-06-11","freshness":{"tier":"aging","age_days":61,"label":"Evidence aging"},"snapshot_cursor":"scac_33322d5efa7617caba54e567","context_path":"/api/assurance/subjects/mcp-memory-reference","changes_path":"/api/assurance/subjects/mcp-memory-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-memory-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-memory-reference/changes"},{"slug":"mcp-sequential-thinking-reference","name":"MCP Sequential Thinking Reference Server","type":"mcp_server","vendor":"Model Context Protocol","source_url":"https://github.com/modelcontextprotocol/servers/tree/main/src/sequentialthinking","score":68,"score_label":"Functional narrow reasoning utility","tested_at":"2026-06-11","updated_at":"2026-06-11","freshness":{"tier":"aging","age_days":61,"label":"Evidence aging"},"snapshot_cursor":"scac_f14c9ba2a6cefa9e3aeef101","context_path":"/api/assurance/subjects/mcp-sequential-thinking-reference","changes_path":"/api/assurance/subjects/mcp-sequential-thinking-reference/changes","context_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-sequential-thinking-reference","changes_url":"https://agents.silentcritique.com/api/assurance/subjects/mcp-sequential-thinking-reference/changes"}]}