prbe-knowledge (prbe-ai/prbe-knowledge) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 3 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100

prbe-knowledge

Self-hosted knowledge engine: ingest your team's tools, hybrid (vector+keyword+graph) retrieval, cited LLM answers.

→ prbe-ai/prbe-knowledge· listed on github_repo_search

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Code Verified⚡ Live Monitored: not connected

Verified is a snapshot. Live keeps it current, and builds your track record.

⚡ Connect GitHub → continuous verification on every pushwhy connect →

Who stands behind it

prbe-ai

Source: github_repo_search

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find. Or connect your repo for our deepest verification, Live Monitored: read-only, revoke anytime. What we access →

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Install from

GitHub

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
🚨
Secret credentials may flow to a network call
1 flow detected: POSTHOG_API_KEY. We can’t prove the destination matches the brand the credential belongs to.
🔐
You'll be asked for 1 credential: POSTHOG_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configMCP_TEST_SLOW_ROUTE_ENABLED
configENVIRONMENT
configINGESTION_MODE
configWORKER_HEALTH_PORT
configREPLAY_UPSTREAM_URL
configREPLAY_MODE
configREPLAY_BASE_MS
configREPLAY_PREFILL_MS_PER_KB
configREPLAY_DECODE_MS_PER_KB
configREPLAY_FIXED_MS
configREPLAY_BIND
configREPLAY_PORT
configINGEST_CLAIM_COALESCE_MAX
configSEARCH_AGENT_PREFANOUT_TOKEN_BUDGET
configSEARCH_AGENT_RULER_STRIDE
configSEARCH_AGENT_RULER_MIN_CHARS
configSEARCH_AGENT_SPAN_MIN_LEN
configSEARCH_AGENT_SPAN_MAX_LEN
configSEARCH_AGENT_MODEL_CONTEXT_WINDOW
configSEARCH_AGENT_MAX_OUTPUT_TOKENS
configSEARCH_AGENT_LENGTH_RETRY_FREQUENCY_PENALTY
configSEARCH_AGENT_LENGTH_RETRY_TEMPERATURE
configSEARCH_AGENT_CONTEXT_SAFETY_MARGIN
configSEARCH_AGENT_EXTRACTOR_MAX_TOKENS
configSEARCH_AGENT_HEDGE_AFTER_SECONDS
configSEARCH_AGENT_TRACE_SAMPLE_RATE
configLLM_TPM_BUDGET
configLLM_TPM_MAX_WAIT_SECONDS
configLLM_REQUEST_TIMEOUT_SECONDS
configLLM_LONG_GENERATION_TIMEOUT_SECONDS
configPRBE_CLUSTER_NAME
🔐 secretPOSTHOG_API_KEY
configPOSTHOG_HOST
configOTEL_EXPORTER_OTLP_ENDPOINT
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployDATABASE_URL
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

3/3 tools missing one or more hints — search_knowledge (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); query_knowledge (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_source (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/prbe-ai/prbe-knowledge)](https://m8ven.ai/mcp/prbe-ai/prbe-knowledge)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: c1d0e7ee7938e0e95300d796d495c1cf7396349e
code hash: c2a672aaf0f687ab6fcc3faf7025d4976fd8a8f8ebe31fdcf56939d7fd321997
view raw JSON →
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