--- bezeichner: "io.github.pattrnlabs/grain" art: "mcp_server" slug: "io-github-pattrnlabs-grain" paketkoordinate: "npm:grain-tools" status: "aktiv" homepage: "https://grain.tools" erhebungsstand: "2026-10-11T01:17:01.851Z" namensraum: "io.github.pattrnlabs" registerseite: "https://tracevero.com/mcp/io-github-pattrnlabs-grain" abgerufen_am: "2026-10-11" zugangsdaten_erforderlich: false ausfuehrungsort: "lokal" dateisystem_pfadargument: false quelloffen_einsehbar: true einsatzgebiet: "datenbank" roh_beschreibung: "Run SQL queries and inspect database schemas through safe, visible MCP tools." version: "0.10.30" roh_umgebungsvariablen: "GRAIN_CONNECTIONS, GRAIN_MCP_SAFE_MODE, GRAIN_MAX_ROWS" roh_geheime_pflichtvariablen: "" roh_transportarten: "stdio" roh_pfadargumente: "" roh_repository_url: "https://github.com/pattrnlabs/grain" roh_paketquellen: "npm" roh_geheime_pflichtkopfzeilen: "" roh_pfad_umgebungsvariablen: "" roh_remote_adressen: "" roh_remote_hosts: "" roh_statusmeldung: "" roh_veroeffentlicht_am: "2026-10-08" roh_aktualisiert_am: "2026-10-08" roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json" roh_bereitstellungsform: "paket" roh_repository_quelle: "github" roh_repository_unterordner: "" roh_paketbezeichner: "grain-tools" roh_paketversionen: "0.10.30" roh_laufzeithinweise: "npx" roh_umgebungsformate: "boolean, number, string" roh_umgebungsbeschreibungen: "GRAIN_CONNECTIONS=JSON array of Grain connection profiles for headless use. · GRAIN_MAX_ROWS=Maximum rows returned by query tools. Defaults to 10000. · GRAIN_MCP_SAFE_MODE=Set to false to allow mutating SQL. Defaults to true." roh_symbolformate: "image/png" roh_verbindungswege: "{\"packages\":[{\"registryType\":\"npm\",\"identifier\":\"grain-tools\",\"version\":\"0.10.30\",\"runtimeHint\":\"npx\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"GRAIN_CONNECTIONS\",\"description\":\"JSON array of Grain connection profiles for headless use.\",\"format\":\"string\",\"required\":false,\"secret\":true},{\"name\":\"GRAIN_MCP_SAFE_MODE\",\"description\":\"Set to false to allow mutating SQL. Defaults to true.\",\"format\":\"boolean\",\"required\":false,\"secret\":false},{\"name\":\"GRAIN_MAX_ROWS\",\"description\":\"Maximum rows returned by query tools. Defaults to 10000.\",\"format\":\"number\",\"required\":false,\"secret\":false}],\"additional_arguments_declared\":true}],\"remotes\":[]}" --- # Grain SQL ## Measured values | Property | Value | Source | Collected on | Level of trust | Raw declaration | | --- | --- | --- | --- | --- | --- | | Required secrets declared | false | MCP-Register | 2026-09-15T01:17:01.369Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: | | Execution location | lokal | MCP-Register | 2026-09-15T01:17:01.369Z | abgeleitet | roh_transportarten: stdio | | Path argument present | false | MCP-Register | 2026-09-15T01:17:01.369Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: | | Repository URL listed | true | MCP-Register | 2026-09-15T01:17:01.369Z | abgeleitet | roh_repository_url: https://github.com/pattrnlabs/grain | | Field of use, derived from the vendor description | datenbank | MCP-Register | 2026-09-15T01:17:01.369Z | abgeleitet | roh_beschreibung: Run SQL queries and inspect database schemas through safe, visible MCP tools. | | Description (raw) | Run SQL queries and inspect database schemas through safe, visible MCP tools. | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Declared version | 0.10.30 | MCP-Register | 2026-10-09T01:17:01.645Z | selbstauskunft | | | Environment variables (raw) | GRAIN_CONNECTIONS, GRAIN_MCP_SAFE_MODE, GRAIN_MAX_ROWS | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Required secret variables (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Transports (raw) | stdio | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Path arguments (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Repository (raw) | https://github.com/pattrnlabs/grain | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Package registries (raw) | npm | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Required secret headers (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Path environment variables (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Remote URLs (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Remote hosts (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Registry status message (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | First listed in the registry (raw) | 2026-10-08 | MCP-Register | 2026-10-09T01:17:01.645Z | selbstauskunft | | | Last changed in the registry (raw) | 2026-10-08 | MCP-Register | 2026-10-09T01:17:01.645Z | selbstauskunft | | | Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Delivery form (raw) | paket | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Repository platform (raw) | github | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Repository subfolder (raw) | | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Package identifiers (raw) | grain-tools | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Package versions (raw) | 0.10.30 | MCP-Register | 2026-10-09T01:17:01.645Z | selbstauskunft | | | Runtime hints (raw) | npx | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Environment variable formats (raw) | boolean, number, string | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Environment variable descriptions (raw) | GRAIN_CONNECTIONS=JSON array of Grain connection profiles for headless use. · GRAIN_MAX_ROWS=Maximum rows returned by query tools. Defaults to 10000. · GRAIN_MCP_SAFE_MODE=Set to false to allow mutating SQL. Defaults to true. | MCP-Register | 2026-09-15T01:17:01.369Z | selbstauskunft | | | Icon formats (raw) | image/png | MCP-Register | 2026-10-08T01:17:01.893Z | selbstauskunft | | | Connection paths (source structure) | {"packages":[{"registryType":"npm","identifier":"grain-tools","version":"0.10.30","runtimeHint":"npx","transport":"stdio","environment":[{"name":"GRAIN_CONNECTIONS","description":"JSON array of Grain connection profiles for headless use.","format":"string","required":false,"secret":true},{"name":"GRAIN_MCP_SAFE_MODE","description":"Set to false to allow mutating SQL. Defaults to true.","format":"boolean","required":false,"secret":false},{"name":"GRAIN_MAX_ROWS","description":"Maximum rows returned by query tools. Defaults to 10000.","format":"number","required":false,"secret":false}],"additional_arguments_declared":true}],"remotes":[]} | MCP-Register | 2026-10-09T01:17:01.645Z | selbstauskunft | | ## Links - Namespace: [[namensraum/io-github-pattrnlabs|io.github.pattrnlabs]] --- - Registry page: - Retrieved on: 2026-10-11