Atlas / MCP servers / blackwell-systems / Agent LSP

Agent LSPCAUTION

mcp/blackwell-systems/agent-lsp

MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

Verdict
CAUTION
Grade
C
Trust score
78 /100
Exposed tools
—
Transport
stdio · streamable-http
License
MIT
Stars
157
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

English · 简体中文 · Русский · हिन्दी · العربية

Code intelligence infrastructure for AI agents. 65 tools, 32 CI-verified languages, 24 agent workflows. Single Go binary.

curl -fsSL https://raw.githubusercontent.com/blackwell-systems/agent-lsp/main/install.sh | sh && agent-lsp init

What is it?

agent-lsp is an MCP server t

Read from source at commit d85f852c6b97OBSERVED · 2026-10-07
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code (npm)
claude mcp add agent-lsp -- npx -y @blackwell-systems/[email protected]
03

Trust audit

CAUTIONgrade C · trust 78/100 Install with care. The audit found things worth knowing before you trust its output.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeWARN
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
declared (6 observation(s))
Network
declared (4 observation(s))
Shell
none-observed
Dependencies
not all pinned
Secrets in source
found

Findings (25)

MEDIUMHard-coded secrets · secret.db_uri · CWE-798, CWE-321
test/fixtures/prisma/schema.prisma:3
url      = "postgresql://postgres:postgres@localhost:5432/prismatest?schema=public"
MEDIUMHard-coded secrets · secret.generic · CWE-798, CWE-321
cmd/agent-lsp/http_test.go:114
const token = "testtoken-integration"
LOWInventory / provenance · inv.binary · CWE-1104
test/fixtures/cpp/.cache/clangd/index/greeter.cpp.9E8894AE24BDC63E.idx
greeter.cpp.9E8894AE24BDC63E.idx
Why it matters. a compiled or binary member cannot be reviewed from source
Fix. ship source, or explain the binary in the README
LOWInventory / provenance · inv.binary · CWE-1104
test/fixtures/cpp/.cache/clangd/index/person.cpp.B4A194926E14B7F4.idx
person.cpp.B4A194926E14B7F4.idx
Why it matters. a compiled or binary member cannot be reviewed from source
Fix. ship source, or explain the binary in the README
LOWInventory / provenance · inv.binary · CWE-1104
test/fixtures/cpp/.cache/clangd/index/person.h.A09FB4C76E6CAEB5.idx
person.h.A09FB4C76E6CAEB5.idx
Why it matters. a compiled or binary member cannot be reviewed from source
Fix. ship source, or explain the binary in the README
LOWInventory / provenance · inv.hidden_file · CWE-1104
.coderabbit.yaml
.coderabbit.yaml
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.goreleaser.yml
.goreleaser.yml
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.polywave-state/wave1/agent-A/.polywave-ownership.json
.polywave-ownership.json
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.saw-agent-brief.md
.saw-agent-brief.md
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.hidden_file · CWE-1104
.saw-worktree-env
.saw-worktree-env
Why it matters. hidden member outside the usual dotfiles
Fix. review its purpose
LOWInventory / provenance · inv.symlink · CWE-1104
docs/changelog.md
docs/changelog.md
Why it matters. link not followed
LOWCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
docs/IMPL/complete/IMPL-autodetect.yaml:173
- os/exec (for LookPath)
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
LOWFilesystem / path · fs.traversal · CWE-22, CWE-59
internal/tools/coverage_round6_test.go:292
_, err := ValidateFilePath("/home/user/project/../../etc/passwd", "/home/user/project")
LOWNetwork egress · net.raw_ip · CWE-200, CWE-319
cmd/agent-lsp/http_test.go:116
baseURL := "http://127.0.0.1:" + strconv.Itoa(port)
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
test/fixtures/prisma/package.json
@prisma/client
Why it matters. 1 dependency range(s) float
Fix. pin exact versions or ship a lockfile
LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427
CHANGELOG.md:68
> Note: npm skipped 0.19.2 (its publish was blocked by the token deprecation); 0.19.3 carries the 0.19.2 fixes forward, including the `detect_changes` argument-injection fix ([#23](https://github.com/
Why it matters. an instruction to move sensitive data to an outside destination
Fix. remove; a skill never needs the user's secrets off the machine
LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427
CHANGELOG.md:300
- **Proactive server notifications.** Four server-initiated MCP notification channels push state changes to agents without requiring a tool call: (1) diagnostic changes with 2-second debouncing to coa
Why it matters. an instruction to move sensitive data to an outside destination
Fix. remove; a skill never needs the user's secrets off the machine
LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427
CHANGELOG.md:796
- **MCP log notifications** — internal log messages (LSP server start, tool dispatch errors, indexing events) now route as `notifications/message` to the connected MCP client via `mcpSessionSender`; w
Why it matters. an instruction to move sensitive data to an outside destination
Fix. remove; a skill never needs the user's secrets off the machine
LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427
docs/architecture/architecture.md:672
Language servers report long-running work (like indexing a workspace) via `$/progress` notifications, each tagged with a token. agent-lsp tracks active tokens to know when the server is ready. Workspa
Why it matters. an instruction to move sensitive data to an outside destination
Fix. remove; a skill never needs the user's secrets off the machine
LOWPrompt injection · prompt.transfer_instruction · CWE-94, CWE-1427
docs/architecture/ci-notes.md:29
**MQL (mql-lsp-server):** Runs in a dedicated `multi-lang-mql` job without `continue-on-error`. The job installs the self-contained linux-x64 binary from the [davalillo/mql-language-server releases](h
Why it matters. an instruction to move sensitive data to an outside destination
Fix. remove; a skill never needs the user's secrets off the machine
LOWInventory / provenance · mcp.no_tools_extracted · CWE-1104
server.json
Why it matters. the tool list is enumerated at runtime by tools/list, not declared in source
Fix. the page says so rather than showing an empty table
INFOInventory / provenance · inv.oversize · CWE-1104
assets/banner.png
assets/banner.png
Why it matters. 1057554 bytes not read
INFOInventory / provenance · inv.oversize · CWE-1104
assets/social-preview-minimal.png
assets/social-preview-minimal.png
Why it matters. 1119533 bytes not read
INFOInventory / provenance · inv.oversize · CWE-1104
assets/social-preview.png
assets/social-preview.png
Why it matters. 2166838 bytes not read
INFOPrompt injection · prompt.credential_read · CWE-94, CWE-1427
CHANGELOG.md:756
- **SQL integration test** — `sqls` (`go install github.com/sqls-server/sqls@latest`); fixture at `test/fixtures/sql/` with `schema.sql` (CREATE TABLE person + post), `query.sql` (two SELECT statement
Why it matters. asks the agent to read credentials

Gates applied: no_behavioural_pass.

Audited 2026-10-07 · audit v0.4.1 · source sha d85f852c6b97full audit observations/trust-audit/mcp-server/blackwell-systems__agent-lsp.json · Report an issue / request a re-scan
04

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-07d85f852c6b97CAUTIONC78first audit
05

Questions

What is the Agent LSP MCP server?

MCP server that orchestrates language servers into agent-native workflows. 65 tools, 30 CI-verified languages.

Is Agent LSP safe to connect to an agent?

With care. The audit graded it C (78/100) and found 25 things worth knowing before you trust this server, listed below with the exact line each was found on.

What credentials does Agent LSP need?

No credential environment variables were found in its source, so it appears to need none.

How does Agent LSP run?

It speaks stdio and streamable-http, so it runs as a local process your client starts. It is published on npm as fixture at 1.0.0.

How current is this page?

The grade is for one exact copy of the source (d85f852c6b97), read on 2026-10-07. The repository is watched and re-audited when it changes.

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