Field-by-field comparison
Compare the evidence before choosing an MCP.
Each signal stays separate, missing facts remain visible, and the column order follows your selection.
| Evidence field | Google Cloud Firestore MCPShortlist candidate | Redis MCPMCP100 Recommended |
|---|---|---|
| Task fit | ||
| Best for |
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| Not ideal for |
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| Avoid when |
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| Provenance | ||
| Provenance details | First-party MCP Google · Publisher source ↗ | First-party MCP Redis · Publisher source ↗ |
| Maintenance | ||
| Maintenance details | Repo: Not documented Package: Not documented | Repo: Sep 21, 2026 Package: Not documented |
| Popularity evidence | ||
| GitHub stars | Not documented | 628 GitHub stars · checked 2026-09-24T04:14:26.347000Z |
| Client coverage | ||
| Client coverage details | Not documented | Claude Code✓ Local stdio Claude Desktop✓ Local stdio Codex✓ Local stdio VS Code✓ Local stdio Cursor✓ Local stdio OpenCode✓ Local stdio |
| Client coverage note | Local stdio runs on your computer. Streamable HTTP connects to a remotely hosted MCP server. | |
| Access and data | ||
| Authentication | Google and Google Cloud remote MCP servers support user credentials or dedicated application credentials. OAuth 2.0 and IAM-principal based authentication are documented; Google Cloud MCP calls require MCP Tool User permission plus resource-specific IAM permissions. | Supports Redis username/password URLs, individual credential options, TLS through `rediss://`, CA certificate verification, cluster mode, and Microsoft Entra ID authentication for Azure Managed Redis. |
| Cost | Firestore can charge for document reads/writes/deletes, index-entry reads, storage, bandwidth, backups/PITR and other operations. Free quota exists for some usage, but several features require billing. | The first-party server is open source and the PyPI package documents no MCP usage fee. Redis Cloud, infrastructure, network, container, and AI-client costs remain separate. |
| Permissions | Effective access is controlled by Google Cloud IAM. The Firestore MCP exposes both read and write/admin tools, including add/update/delete document, create/update/delete database, index operations, and backup/schedule operations. | The server can read and write Redis keys and data structures, operate streams and pub/sub, manage search indexes, and inspect server information according to the connected Redis user's ACL. Redis ACL configuration is the effective permission boundary. |
| Data handling | Not documented in the reviewed sources. The Firestore MCP reference does not make a separate MCP-specific retention or training claim; requests operate on Firestore resources under the authenticated Google Cloud identity. | The stdio server runs locally and sends Redis query inputs and returned key values to the connected MCP client. It connects directly to the configured Redis deployment. Credentials can be supplied in a URI, CLI arguments, or environment variables; avoid embedding them in shareable config and logs. |
| Limitations | ||
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| Risk context | This is a write-capable database/admin MCP. Incorrect tool calls can change or delete documents, databases, indexes, backups, or schedules and can generate billable usage. | A broad Redis tool set can expose or mutate application state, sessions, queues, cached records, and vector data. Use a dedicated database, a narrowly scoped ACL user, verified TLS, pinned releases, and backups. This review does not claim MCP100 execution testing. |
| Evidence date | ||
| Editorial review | 2026-10-19 | 2026-07-24 |
| Candidate evidence | 2026-10-19 | 2026-09-24T04:25:05.554391Z |
Popularity, maintenance, fit, permissions, and client support are independent evidence fields.
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