Skills/PyPI/jpos-mcp-server

jpos-mcp-server@0.1.1

VERIFIED

Publisher claims: "The first open-source MCP server for jPOS and ISO 8583. Give AI agents deterministic access to payment protocol expertise." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher mohisyed · joined 0 days agoInstalls 88Last detonated 4 h ago
$claude mcp add jpos-mcp-server -- uvx jpos-mcp-server
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-05 and scored it 82/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.1sprocessdependency install exit 1
0.1sprocessexec /usr/bin/timeout
0.1sprocessexec .venv/bin/jpos-mcp
0.1sprocessexited 127: timeout: failed to run command '.venv/bin/jpos-mcp': No such file or directory
0.1sclaimedno tools/list reply (exit 127)
0.1sprocessscript backend runs setup only

Static findings

CRITICAL
HTML comment carrying imperative instructions to the agentknowledge/sources/jpos-tutorial/transaction-manager__groups-and-selector.md:20 · HTML comment carrying imperative instructions to the agentFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST01

No other findings across 15,095 lines in 78 files.

Cost to the agent

Not measured yet; benchmarks are collected with each run since November 5, 2026. See the MCP server benchmarks.

Known vulnerabilities

Not checked against OSV yet; the weekly check has not reached this version.