mcp-agent-bridge (xfajarr/shared-context-mcp) is an MCP server listed on the M8ven Trust Index. It scores 50 out of 100, grade D. It declares 26 tools. No publisher has claimed this listing.

D
Caution
50/100

mcp-agent-bridge

A local MCP server that provides shared, real-time context across multiple AI agents via WebSocket and MCP resource notifications, enabling collaborative workspaces, memory, tasks, and messaging.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we 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

xfajarr

Source: Glama

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 →

Install from

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
⚠️
Tool descriptions don’t match what handlers do
1 tool describes read intent but its handler mutates — read_messages (line 52: fs.writeFile(dataFile(name), JSON.stringify(data, null, 2), "utf-8"))
⚠️
Known vulnerabilities in dependencies: 1 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// tools this server exposes26 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

create_context

Create a new named context (workspace). All agents that join it share the same memory, tasks, messages, etc.

list_contexts

List all available contexts (workspaces) and who is currently in each one

join_context

Switch your active context. All subsequent operations (memory, tasks, messages, etc.) will be scoped to this context.

leave_context

Leave current context and return to 'default'. Your data in the context is preserved.

delete_context

Delete a context and all its data. Cannot delete 'default'.

context_status

Show your current context, peers, and a summary of what's in it

identify

Register this agent session. Call this first. Then use join_context() to enter a shared workspace.

get_events

Get events from current context since a timestamp. For real-time push subscribe to ws://localhost:3721/ws.

send_message

Send a message to another agent in the current context

read_messages

Read your pending messages in the current context

broadcast

Send a message to all agents in the current context

create_task

Create and assign a task within the current context

list_tasks

List tasks in the current context

update_task

Update a task in the current context

set_memory

Write a value to the current context's shared memory. All peers get notified in real-time.

get_memory

Read from the current context's shared memory. Omit key to list all.

delete_memory

Delete a key from the current context's shared memory

save_artifact

Save a code or text artifact in the current context

get_artifact

Get a shared artifact by name from the current context

list_artifacts

List all artifacts in the current context

add_to_discussion

Add a message to a shared discussion thread in the current context

get_discussion

Get discussion threads in the current context

start_session

Start a collaborative session in the current context. All peers are notified in real-time.

get_session

Get the active session in the current context

end_session

End the active session in the current context

agent_status

See all connected agents, grouped by context

// known CVEs in dependencies1 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

highws@8.20.0GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

ws: Uninitialized memory disclosure

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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

26/26 tools missing one or more hints — create_context (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_contexts (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); join_context (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +23 more. 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.

Destructive tools are labelled

1 tool perform destructive updates without destructiveHint — delete_context deletes at line 365 (fs.unlink(dataFile(`ctx_${name}`)))

Add destructiveHint:true to any tool whose handler calls .delete(), .upsert(), .update(), unlink, rm, DELETE, DROP, REPLACE INTO, or any operation that overwrites existing data.

Descriptions match behaviour

1 tool describes read intent but its handler mutates — read_messages (line 52: fs.writeFile(dataFile(name), JSON.stringify(data, null, 2), "utf-8"))

Rename the tool, rewrite the description, or move the side-effect into a separate clearly-named tool.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 1 high severity in production deps — ws@8.20.0 (high), ws@8.20.0 (low)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Tool description accuracy

read_messages: description implies read-only but handler writes/deletes/executes

Update tool descriptions to accurately reflect all capabilities — especially write, delete, or execute operations.

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 8 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 Verified](https://m8ven.ai/badge/mcp/xfajarr/shared-context-mcp?variant=verified)](https://m8ven.ai/mcp/xfajarr/shared-context-mcp)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: e0f39f28f4904465a29e444fa3d643a4637e0329
code hash: 0d198bef8038d707f5728275fc53bdb42461ef02fc4d28c3ac300522550005e8
view raw JSON →
Check MCPs from inside your assistant
Tool Check · MCP

Vetting this one by hand? Tool Check is an MCP that scores other MCPs. Add it once and ask Claude, ChatGPT, or any MCP client to grade a server, surface CVEs, check the publisher, and suggest safer alternatives — before you install.

https://m8ven.ai/api/mcp/tool-check
check_toolsearch_toolscompare_toolsrecommend_alternativescheck_publisherreport_concern
How to add it →Free · no account needed · works in any MCP client