{"version": 2, "width": 110, "height": 34, "timestamp": 1790325058, "env": {"SHELL": "/bin/zsh", "TERM": "xterm-256color"}, "title": "replication-manager MCP from Claude Code"}
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[5.256524, "o", "id:       2f2c2568c7f8f7ceeae71908\r\nlabel:    claude-code\r\nuser:     admin\r\ngrants:   db-show cluster-show\r\nclusters: dev3\r\nexpires:  2026-10-25 10:12\r\ntoken:    eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.…   (shown once)\r\n"]
[7.264505, "o", "\u001b[1;36m# 2. Point Claude Code at the API: the MCP endpoint rides the HTTPS API listener, the token is the bearer\u001b[0m\r\n"]
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[8.897797, "o", "{\r\n  \"mcpServers\": {\r\n    \"replication-manager\": {\r\n      \"type\": \"sse\",\r\n      \"url\": \"https://repman.dev3.ovh2.signal18.io/api/mcp/sse\",\r\n      \"headers\": { \"Authorization\": \"Bearer ${REPLICATION_MANAGER_API_TOKEN}\" }\r\n    }\r\n  }\r\n}\r\n"]
[10.910989, "o", "\u001b[1;36m# 3. Ask the assistant. Reads are allowed, an action is refused by the cluster ACL: the token cannot exceed its grants\u001b[0m\r\n"]
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[65.56294, "o", "**Clusters visible:** only one, `dev3`.\r\n\r\n**dev3 health and topology**\r\n\r\n- **Health**: cluster is up, master reachable, replication provisioned, and a replica is eligible for promotion.\r\n- **Master**: db1.dev3.svc.cloud18:3306, MariaDB 11.8.9, read-write, status \"Master OK\".\r\n- **Replicas**: db2 (MariaDB 11.8.9) and db3 (MariaDB 11.8.8). Both are read-only, IO and SQL threads running, GTID mode Slave_Pos, no IO or SQL errors, status \"Running OK\".\r\n- **Lag**: 0 seconds on both replicas. All three servers sit at the same GTID position (1-11626367-6064333), so they are fully in sync.\r\n- **Proxy**: one ProxySQL instance, proxysql1.dev3.svc.cloud18:6032, state ProxyRunning.\r\n- **Alerts**: no errors. Six warnings:\r\n  - ERR00002: waiting for a user manual failover (failover mode is manual).\r\n  - ERR00057 on proxysql1: duplicate database users not allowed in the ProxySQL healthcheck.\r\n  - WARN0084: variables differ between leader and replicas. db1 runs 2 parallel slave threads/workers while db2 and db3 run 32, db3 "]
[65.56328, "o", "is on an older MariaDB build (11.8.8 vs 11.8.9), and INNODB_INDEX_SHRINK is ON only on db1.\r\n  - WARN0102: an immutable parameter changed, config needs a config-merge to persist.\r\n  - WARN0112 and WARN0191: no physical backup exists for the current master, and none is available in the catalog for rejoin.\r\n\r\nNote that the topology response was too large to load in full, so I queried it with jq for the master, replica, replication-thread, and proxy fields above rather than reading all 2,681 lines.\r\n\r\n**Switchover attempt**\r\n\r\nThe switchover was refused. The server answered exactly:\r\n\r\n```\r\nforbidden: admin (token 2f2c2568c7f8f7ceeae71908 \"demo-claude-code\") may not /api/clusters/dev3/actions/switchover\r\n```\r\n\r\nThe \"demo-claude-code\" token lacks the grant for the switchover action, so nothing changed on the cluster. The cluster itself would otherwise be a good switchover candidate, since both replicas are in sync with zero lag. If you want the switchover to go through, the token needs the cluster switchover gran"]
[65.563578, "o", "t, and db2 would be the natural target since it matches the master's MariaDB version.\r\n"]
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[72.820217, "o", "time=\"2026-09-25T10:14:02Z\" level=warning msg=\"MCP admin (token 2f2c2568c7f8f7ceeae71908 \\\"claude-code\\\") denied on /api/clusters/dev3/actions/switchover\" event=mcp_denied user=admin\r\n"]