Document corpus (io.github.jorgell23-sys/markdown-document-search@1.2.1) Document corpus, a search tool for querying verified document collections, released version 1.2.1 to the official MCP registry on 2026-08-20, distributed as mdcx on PyPI, and declares 2 environment variables (MDCX_FILE and MDCX_KEY). The mcpindex gate pins its tool contracts and holds calls on silent drift, but the tool has not yet received a clearing verdict, so agents should treat it as not-yet-cleared. ← Index /leaderboard Document corpus Query a verified document collection: passages that answer a question, with their source. The current version, v1.2.1, was published to the official MCP registry on 2026-08-20. It is distributed as mdcx on PyPI, filed under Search by this index, and declares 2 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts /stats put this record in context. Using Document corpus in Claude, Cursor, Gemini CLI, Cline, or Zed? MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself use Install this server for that . Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less uv tool install mcpindex-gate && mcpindex-config-wire method /methodology Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands 15/150 labels to graduation . The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits /methodology . Own this server? Screen its description → /screen That verdict was true at screening time snapshot 2026-08-20 . Contracts can change after screening, with no version bump. The gate pins Document corpus’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday. See your first HOLD in 2 minutes → /guides/install-the-gate-first-hold Related: how to trust an MCP server /guides/how-to-trust-an-mcp-server · screen before install /guides/screen-mcp-server-before-install · silent contract drift /guides/mcp-silent-contract-drift MDCX FILE Absolute path to the .mdcx package to query MDCX KEY Key that decrypts the package methodology /methodology YTDL RMCPai.dinglebear/rytdl /server/ai-dinglebear-rytdl yt-dlp search, download, metadata, delivery, and Plex workflows over MCP and CLI. Fodda Topic & Trend Researchai.fodda/topic-research /server/ai-fodda-topic-research Trend, stats & insight search across PSFK expert graphs with citable sources. Reddit RSS io.github.jorgen-k/reddit-mcp /server/io-github-jorgen-k-reddit-mcp Read Reddit via public RSS feeds: browse subreddits, posts, comments, and search. No auth.