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Evidence fieldSalesforce Hosted MCPMCP100 SelectedExcel MCP ServerMCP100 Selected
Task fit
Best for
  • Connect compatible AI clients to Salesforce's documented MCP capabilities.
  • Reading, creating, formatting, charting, and updating XLSX workbooks and worksheets, including formulas and pivot tables
Not ideal for
  • Users who need a fully reviewed MCP100 recommendation today
  • Workbooks that depend on full desktop Excel behavior, macros, or manual visual review
Avoid when
  • Permissions, credentials, and connected data cannot be tested with least privilege
  • You cannot restrict file access or are using a version affected by CVE-2026-40576
Provenance
Provenance details

First-party MCP

Salesforce · Publisher source ↗

Community implementation

Haris Musa · Publisher source ↗

Maintenance
Maintenance details

Repo: Not documented

Package: Not documented

Repo: Apr 12, 2026

Package: Apr 12, 2026

Popularity evidence
GitHub starsNot documented

4,108

GitHub stars · checked 2026-08-14T18:46:26.000Z

External adoption evidenceNot documented
  • github: repository stars: 4,108Exact attributable signal.github: repository stars · Admission snapshot · checked 2026-08-14T18:46:26.000ZEvidence source ↗
Client coverage
Client coverage details
Claude Code✓ Streamable HTTP
Claude Desktop✓ Streamable HTTP
Codex✓ Streamable HTTP
VS Code✓ Streamable HTTP
Cursor✓ Streamable HTTP
OpenCode✓ Streamable HTTP
Claude Code✓ Local stdio
Claude Desktop✓ Local stdio
Codex✓ Local stdio
VS Code✓ Local stdio
Cursor✓ Local stdio
OpenCode✓ Local stdio
Client coverage noteLocal stdio runs on your computer. Streamable HTTP connects to a remotely hosted MCP server.
Access and data
AuthenticationFollow only the publisher source; credential storage, scopes, and revocation remain under review.Local stdio has no separate service authentication. Remote MCP authentication is not documented, so remote listeners must remain network-restricted.
CostPublisher plans, API usage, infrastructure, or per-action charges may apply; MCP100 has not published a cost conclusion.The MIT-licensed local server lists no usage fee; normal hosting, client, model, and network costs may apply.
PermissionsExact permissions and read/write boundaries have not completed MCP100 review.The server can read, create, modify, format, chart, and delete workbook content. Remote modes confine relative paths to EXCEL_FILES_PATH in the patched release.
Data handlingCandidate-specific retention, subprocess, telemetry, and model-data behavior remain review items.Workbook paths and spreadsheet content are processed by the server and returned to the connected client as required by tool calls; publisher telemetry and retention are not documented.
Limitations
Tradeoffs
  • Publisher attribution supports discovery, but does not replace an independent permissions and usability review.
  • It provides deep spreadsheet manipulation without desktop Excel, but write tools can overwrite data and remote transports add network and filesystem exposure.
Risk contextUse a test account, least privilege, read-only controls where available, and explicit approval for mutations.Versions through 0.1.7 have a critical path-traversal vulnerability. Use 0.1.8 or later, prefer stdio, restrict workbook paths, avoid public remote listeners, and keep recoverable backups.
Evidence date
Editorial review2026-07-242026-08-13
Candidate evidence2026-07-30T19:00:00.000Z2026-08-14T18:46:26.000Z

Popularity, maintenance, fit, permissions, and client support are independent evidence fields.

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