Convex documents a Model Context Protocol server shipped in the Convex CLI at docs.convex.dev/ai/convex-mcp-server, started locally with `npx -y convex@latest mcp start` over stdio after linking a project via `npx convex dev`. Tools include `status` (deployment selector), `tables` (declared and inferred schemas), `data` (paginated documents), `runOneoffQuery` (sandboxed read-only JS), `functionSpec`, `run` (invoke deployed functions), `logs`, `insights` (72-hour OCC and resource-limit health), and `envList`/`envGet`/`envSet`/`envRemove`. Flags such as `--prod`, `--preview-name`, `--deployment-name`, and `--disable-tools` restrict scope; production writes require `--dangerously-enable-production-deployments` per changelog defaults.
Use cases
- Let Cursor inspect Convex table schemas before writing mutations
- Paginate production-like dev data with the `data` tool during debugging
- Run sandboxed `runOneoffQuery` probes without deploying new functions
- Check `insights` for OCC conflicts after agent-driven schema changes
- Disable `run` or `envSet` via `--disable-tools` for read-only agent sessions
Key features
- Cursor
- Claude Desktop
- Claude Code
- VS Code
- Codex
Frequently Asked Questions
- Does this connect to production by default?
- Docs and CLI changelog note production access is blocked unless you pass explicit prod flags.
- Is this a separate npm package?
- No—the MCP server ships inside the official `convex` CLI (1.19.5+).
- Can agents write data?
- `run` can invoke mutating functions; use `--disable-tools` or dev-only deployments to limit blast radius.
Related
Related
3 Indexed items
Turso MCP Server
Turso documents a built-in Model Context Protocol server in the Turso CLI (`tursodb`) at docs.turso.tech/cli/mcp-server, started with `tursodb /path/to/database.db --mcp` over stdio JSON-RPC. Tools include `open_database`, `current_database`, `list_tables`, `describe_table`, `execute_query` (SELECT-only), `insert_data`, `update_data`, `delete_data`, and `schema_change` (CREATE/ALTER/DROP) per the Mintlify MCP reference. Turso's launch blog at turso.tech/blog/introducing-the-turso-database-mcp-server shows Claude Desktop and Claude Code configuration via `claude mcp add` with the same `--mcp` flag—no separate npm package required for local embedded databases.
Neo4j MCP Server
Neo4j documents an official Model Context Protocol server at neo4j.com/docs/mcp/current and in the neo4j/mcp repository. It gives MCP clients structured access to a Neo4j graph: get-schema introspects labels, relationship types, and property keys; read-cypher runs read-only Cypher checked with EXPLAIN and Neo4j query-type classification; write-cypher runs writes unless NEO4J_MCP_READ_ONLY=true; list-gds-procedures lists Graph Data Science procedures when GDS is installed. Prerequisites are a running Aura, Neo4j Desktop, or self-managed database plus the APOC plugin. Local clients use stdio via uvx neo4j-mcp-server or the Homebrew/binary neo4j-mcp, with NEO4J_MCP_URI, NEO4J_MCP_USERNAME, NEO4J_MCP_PASSWORD, and NEO4J_MCP_DATABASE. Aura uses HTTP at https://<instance-id>.mcp-instances.neo4j.io after Tool authentication is enabled in the Aura console. Docs also describe an HTTP transport mode that takes URI and credentials per request and selects the database from the /db/{databaseName}/mcp path.
PlanetScale MCP Server
PlanetScale documents a hosted Model Context Protocol server at planetscale.com/docs/connect/mcp, reachable at `https://mcp.pscale.dev/mcp/planetscale` with OAuth authentication for organizations, databases, branches, schemas, and Insights data. An insights-only endpoint at `https://mcp.pscale.dev/mcp/planetscale-insights-only` omits read/write query tools. Tools documented include organization/database/branch listing, schema inspection, `planetscale_get_insights`, documentation search, and—when scopes allow—`planetscale_execute_read_query` and `planetscale_execute_write_query` with replica routing, ephemeral credentials, and destructive-query safeguards per the January 2026 changelog. PlanetScale notes the older local CLI MCP path is deprecated in favor of the hosted HTTP server for Cursor, Claude Code, and other MCP clients.