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xbbg MCP

io.github.xbbg-org/xbbg-mcpv1.4.6Other

Local Bloomberg tools for xbbg users.

The current version, v1.4.6, was published to the official MCP registry on 2026-08-07. It is distributed through a declared package, filed under Other by this index, and declares 6 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using xbbg MCP in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
REVIEWstatus: PARTIALfresh until 2026-08-26 11:02 UTC
screened 2026-07-27tier: scannedgranularity: description-levelsource: registry

Semantic screen found no manipulation pattern in the description. Conformance probe not yet run.

mcpindex.integrity.descriptionpassINFO

evidence“No malicious instructions found”via static_description

Limits of this verdict
  • - Semantic screen only - the deterministic conformance probe has not run on this server
  • - Confidence is reported but not yet calibrated (v1)
  • - Screen reads the tool description, not the live behavior
  • - advisory
  • - registry description only no input schema
  • - screen model 8b
  • - The registry listing (version, packages, links) changed after this screen ran - the description we assessed did not

Semantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-08-19).

Contracts can change after screening, with no version bump. The gate pins xbbg MCP’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Cite this record

People vet a server before wiring it in. One line on your project site or docs answers that with an independent record: screening verdict, registry provenance, contract drift history. It stays current as new screens and drift events land.

Markdown
[Independent trust record for xbbg MCP](https://mcpindex.ai/server/io-github-xbbg-org-xbbg-mcp) - screening verdict, registry provenance, and contract drift monitoring.
HTML
<a href="https://mcpindex.ai/server/io-github-xbbg-org-xbbg-mcp">Independent trust record for xbbg MCP</a> - screening verdict, registry provenance, and contract drift monitoring.
Embed this badge

A live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.

Markdown
[![mcpindex](https://mcpindex.ai/api/v1/badge/io-github-xbbg-org-xbbg-mcp)](https://mcpindex.ai/server/io-github-xbbg-org-xbbg-mcp)
HTML
<a href="https://mcpindex.ai/server/io-github-xbbg-org-xbbg-mcp"><img src="https://mcpindex.ai/api/v1/badge/io-github-xbbg-org-xbbg-mcp" alt="mcpindex verdict" height="20" /></a>
Environment variables
XBBG_MCP_LIB_DIR

Optional directory containing Bloomberg runtime libraries. Leave unset to use BLPAPI_ROOT, an authorized vendored SDK layout, or Python blpapi fallback.

XBBG_MCP_HOST

Bloomberg API host. Defaults to localhost.

XBBG_MCP_PORT

Bloomberg API port. Defaults to 8194.

XBBG_MCP_AUTH_METHOD

Bloomberg auth method: none, user, app, userapp, dir, manual, or token.

XBBG_MCP_MAX_ROWS

Maximum rows returned to the MCP client per response. Defaults to 500.

XBBG_MCP_MAX_STRING_CHARS

Maximum characters per string value returned to the MCP client. Defaults to 2048.

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
15
installability
25
documentation
15
stability
10
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