registry / record
@e2b/mcp-server
Does @e2b/mcp-server MCP work in Claude Code and Cursor? Throne executed @e2b/mcp-server mcp in a single-use Firecracker microVM and replayed both recorded client behaviours. Compatibility verdict: fit. Is @e2b/mcp-server mcp safe? Static security scan: no findings under security ruleset v1. The full per-step results, security findings, scan date, and evidence hash are below.
> throne registry @e2b/mcp-server
sealed
- scan id
- 37a04a1ce5a44eb0a378f89e9d27e1ba
- target
- @e2b/mcp-server
- sealed at
- 2026-06-16 17:28:46Z
- evidence hash
- sha256:6e6bf00ddb698fa8f0253224ca614b88ed41931d1c1dd446c8cd35c49fab24d2
initialize ok: server e2b-mcp-server 0.1.0, negotiated protocolVersion 2025-06-18, capabilities ['resources', 'tools']
supported: tools/list (1 tools); method not found (tolerated): resources/list, prompts/list
all 1 tool inputSchemas are valid JSON Schema
called 1 of 1 tools (cap 10, strategy=serial): 0 ok, 1 returned tool-level errors (expected for synthesized args)
structured error responses, connection survived, wrong_type_args: run_code:error(-32602); unknown_method: error(-32601); invalid_id: no response (silent), connection alive; oversized_input: error(-32601); recovery: accepted (returned result); cancellation: error(-32601); old_version: accepted old version 2024-10-07, negotiated 2024-10-07, server may have stale protocol handling
no streaming-capable tool declared by this server
resources capability not declared
ladder 1 overlapping run_code calls: max_observed_stable_concurrency=1; all ids answered exactly once, but every call returned an error (error -32603: 401: authorization header is missing), the tool may need runtime dependencies this sandbox does not provide
transport closed and relaunched; re-handshake ok (protocolVersion 2025-06-18, first session was 2025-06-18)
initialize ok: server e2b-mcp-server 0.1.0, negotiated protocolVersion 2025-06-18, capabilities ['resources', 'tools'] [request_strategy=pipelined, connection_count=2, second connection established]
supported: tools/list (1 tools); method not found (tolerated): resources/list, prompts/list; notes: connection 2 confirms 1 tools
all 1 tool inputSchemas are valid JSON Schema
called 1 of 1 tools (cap 10, strategy=pipelined): 0 ok, 1 returned tool-level errors (expected for synthesized args)
structured error responses, connection survived, wrong_type_args: run_code:error(-32602); unknown_method: error(-32601); invalid_id: no response (silent), connection alive; oversized_input: error(-32601); recovery: accepted (returned result); cancellation: error(-32601); old_version: accepted old version 2024-10-07, negotiated 2024-10-07, server may have stale protocol handling
no streaming-capable tool declared by this server
resources capability not declared
ladder 1/2/4/6 overlapping run_code calls: max_observed_stable_concurrency=6; all ids answered exactly once, but every call returned an error (error -32603: 401: authorization header is missing), the tool may need runtime dependencies this sandbox does not provide
transport closed and relaunched; re-handshake ok (protocolVersion 2025-06-18, first session was 2025-06-18)
- target
- @e2b/mcp-server npm
- engine
- sandboxed
- claude code
- calibration: partial recorded=9,spec=0,assumed=9
- cursor
- calibration: partial recorded=11,spec=0,assumed=7
- chatgpt desktop
- calibration: unavailable recorded=0,spec=2,assumed=16
- steps exercised
- 14 of 18
- test suite
- v1.0.0
- security ruleset
- v1.0.0
- sealed at
- 2026-06-16 17:28:46Z
- evidence hash
- sha256:6e6bf00ddb698fa8f0253224ca614b88ed41931d1c1dd446c8cd35c49fab24d2
- valid until
- 2026-09-14
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[](https://usethrone.dev/server/e2b-mcp-server)maintainer of this server? challenge this record: hello@usethrone.dev. tell us what we got wrong and we re-run it in the open.
this page renders the stored record of a real run. nothing on it is asserted without the execution that proved it.