mongo-mcp-server

Provides a Go-based MongoDB-backed server that exposes gRPC operations for managing models, contexts, executing protocols, tracking protocol execution status, and storing/retrieving arbitrary data. It also mentions an MCP-style (Model Context Protocol) and Cursor IDE integration via a /mcp prefix.

Evaluated Apr 04, 2026 (16d ago)

Repo ↗ Infrastructure mongodb mcp model-context-protocol grpc go server data-storage cursor-integration

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

README claims encrypted gRPC communication and authentication for all endpoints, but the auth scheme, TLS configuration requirements, and secret-handling practices are not documented. MongoDB is mentioned with 'secure defaults' but connection/authuration details are not provided, so actual security posture cannot be verified from the README.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You want a lightweight, self-hostable gRPC + MongoDB service to build MCP-oriented tooling around models/contexts/protocols and you control the deployment environment.

Avoid When

You need enterprise-grade documentation for auth, rate limits, pagination, error codes, and operational guarantees; the provided README does not show these details.

Use Cases

• Storing and managing model/context metadata in MongoDB
• Running protocol executions tied to a selected context and tracking execution status
• Persisting and retrieving protocol-related artifacts or snippets ("data")
• Integrating model/protocol tooling into developer workflows (Cursor) via MCP-style access

Not For

• Production deployments requiring well-specified authentication/authorization details from documentation alone
• Use cases needing a REST/HTTP API with OpenAPI specs or SDKs
• Workloads that require clear, documented rate limits and retry/idempotency semantics

Interface

REST API

GraphQL

gRPC

Yes

MCP Server

Yes

SDK

Webhooks

Authentication

Methods: Authentication required (unspecified in README)

OAuth: No Scopes: No

README asserts that all API endpoints require authentication but does not document the auth mechanism (e.g., API key, JWT, mTLS) or any scopes/roles.

Pricing

Free tier: No

Requires CC: No

Open-source/self-hosted style repository; no pricing information provided.

Agent Metadata

Pagination

page_size + page_token

Idempotent

False

Retry Guidance

Not documented

Known Gotchas

⚠ README does not document authentication details, error codes, or retry/idempotency semantics—agents may need trial-and-error for robust usage.
⚠ gRPC method usage is illustrated via grpcurl, but the underlying proto schemas and return/status formats are not included here.
⚠ Cursor integration is described as 'auto-detect', but no configuration or security model is specified.

Alternatives

Self-built gRPC services over MongoDB for model/context/protocol management Existing MCP server implementations specific to your provider/tooling (if available) GraphQL/REST wrappers around MongoDB-backed orchestration services (if MCP is not required)

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API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-04-04.