Skills/PyPI/code-weaver

code-weaver@0.1.0a3

CAUTION· not started

Publisher claims: "Extensible MCP server for semantic code search with plugin architecture supporting multiple embedding providers, vector databases, and data sources." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server) · listed in the official MCP RegistryPublisher knitli · publishing for 352 daysInstalls 146Last detonated 4d ago
What would fix thisWatchDispute verdict

Coverage

Not started: dependency install failed; the server itself was not observed.
Tested
the dependency install step · every file read, file written and host contacted by what ran
Not tested
server startup · the tool list · tool behavior

What this means for the label: Caution here covers what ran. The server's tools were not exercised with a real credential, so nothing about their behavior is asserted; the credential summary below says what to do with that.

Before you give it your token

It will ask for
AWS_SECRETS_MANAGER_ENDPOINT_URLAWS_SECRETS_MANAGER_REGIONAWS_SECRETS_MANAGER_SECRET_IDGOOGLE_SECRET_MANAGER_PROJECT_IDConfiguration, not credentials: AZURE_KEY_VAULT_URL, CODEWEAVER__UVICORN__PORT, CODEWEAVER_CONFIG_FILE, CODEWEAVER_HOST, CODEWEAVER_LOG_LEVEL, CODEWEAVER_MCP_PORT, CODEWEAVER_PORT, CODEWEAVER_PROFILE, CODEWEAVER_PROJECT_NAME, CODEWEAVER_PROJECT_PATH, CODEWEAVER_VECTOR_STORE_URL, MISE_INSTALL_PATH, STACK_YAML, TERM_PROGRAM
Where it talks to
no vendor host named in the codeAlso pydantic.dev, python.org, githubusercontent.com, jdx.dev, askubuntu.com, apple.com, nssm.cc, posthog.com — not the publisher's domain; check what for before connecting.
What the honeypot saw
no credential files read · no network
What we could not test
server startup · the tool list · tool behavior

Connect it with a scoped credential, under the guard, and read the third-party hosts first. The code names pydantic.dev, python.org, githubusercontent.com, jdx.dev, askubuntu.com, apple.com, nssm.cc, posthog.com as well as its own vendor. The guard injects AWS_SECRETS_MANAGER_ENDPOINT_URL, AWS_SECRETS_MANAGER_REGION, AWS_SECRETS_MANAGER_SECRET_ID, GOOGLE_SECRET_MANAGER_PROJECT_ID only into requests to the host you bind (and its subdomains) and refuses the rest.

$vet-skills run --net declared -- uvx code-weaver

Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios; not started: dependency install failed; the server itself was not observed) on 2026-11-10 and scored it 76/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Access to sensitive file paths; Access to sensitive file paths; Access to sensitive file paths. 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 ·
0.1sclaimednot started: dependency install failed (exit 1); the server itself was not observed
0.1sprocessscript backend runs setup only
0.1sprocessno install scripts to re-run

Static findings

MEDIUM
Python subprocess execution detectedscripts/build/prepare-build.py:30 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
MCP server using network transport (SSE/HTTP)pyproject.toml:175 · MCP server using network transport (SSE/HTTP) — data sent over network# FASTMCP_SERVER_AUTH_AUTHKITPROVIDER_AUTHKIT_DOMAIN="https://your-project-12345.authkit.app"Fix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
MEDIUM
MCP server using network transport (SSE/HTTP)pyproject.toml:176 · MCP server using network transport (SSE/HTTP) — data sent over network# FASTMCP_SERVER_AUTH_AUTHKITPROVIDER_BASE_URL="http://localhost:8000"Fix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
HIGH
Access to sensitive file pathssrc/codeweaver/config/settings.py:791 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files- .envFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/codeweaver/config/settings.py:789 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files3. dotenv_settings - .env files:Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/codeweaver/config/settings.py:913 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files".env",Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Hidden zero-width characters detectedsrc/codeweaver/core/language.py:879 · Hidden zero-width characters detected — may conceal content# Java's more common than Kotlin, but Kotlin is more likely to use 'build.gradle.kts' ... I think. 🤷‍♂️Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Access to sensitive file pathsscripts/docker/validate-setup.sh:76 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesif grep -q "VOYAGE_API_KEY=your-" .env 2>/dev/null; thenFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/cli/commands/init.py:1094 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Access to sensitive file pathsscripts/docker/validate-setup.sh:70 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesecho -n "Checking .env file... "Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsscripts/docker/validate-setup.sh:71 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesif [ -f ".env" ]; thenFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/__init__.py:55 · Python subprocess execution detectedgit_describe = subprocess.run( # noqa: S603Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Access to sensitive file pathssrc/codeweaver/core/language.py:1253 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesDirectoryName(".env"),Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/codeweaver/config/settings.py:795 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files- .codeweaver/.envFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsscripts/docker/validate-setup.sh:75 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesif grep -q "VOYAGE_API_KEY=" .env 2>/dev/null; thenFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsscripts/docker/validate-setup.sh:69 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files# Check .env fileFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/codeweaver/config/settings.py:917 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files".codeweaver/.env",Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/common/utils/git.py:41 · Python subprocess execution detectedoutput = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/cli/commands/init.py:1161 · Python subprocess execution detectedsubprocess.run(["/bin/launchctl", "unload", str(plist_file)], capture_output=True) # noqa: S603Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/cli/commands/init.py:1163 · Python subprocess execution detectedsubprocess.run( # noqa: S603Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/daemon.py:132 · Python subprocess execution detectedsubprocess.Popen([cw_cmd, *cw_args], **kwargs) # noqa: S603Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/cli/commands/init.py:1101 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
MCP server using network transport (SSE/HTTP)src/codeweaver/mcp/server.py:51 · MCP server using network transport (SSE/HTTP) — data sent over networkelse DictView(FastMcpServerSettingsDict(**FastMcpHttpServerSettings().as_settings()))Fix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
MEDIUM
Python subprocess execution detectedsrc/codeweaver/common/utils/git.py:181 · Python subprocess execution detectedoutput = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/common/utils/git.py:154 · Python subprocess execution detectedoutput = subprocess.run([git, "--version"], capture_output=True, check=False)Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/cli/commands/init.py:1107 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/codeweaver/common/utils/git.py:194 · Python subprocess execution detectedoutput = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
MCP server using network transport (SSE/HTTP)src/codeweaver/mcp/server.py:339 · MCP server using network transport (SSE/HTTP) — data sent over networkhttp_settings = DictView(FastMcpServerSettingsDict(**cast(dict, http_settings)))Fix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
MEDIUM
MCP server using network transport (SSE/HTTP)src/codeweaver/config/settings.py:719 · MCP server using network transport (SSE/HTTP) — data sent over networkmcp_server=FastMcpHttpServerSettings().as_settings(),Fix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04
MEDIUM
Python subprocess execution detectedsrc/codeweaver/common/utils/git.py:51 · Python subprocess execution detectedoutput = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05

Cost to the agent

Instructions loaded
≈74 tok
1 file · 81 in bundle
Tool list per prompt
≈0 tok
0 tools · 0 per tool
Handshake
no reply
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 0

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

No advisories in OSV for code-weaver@0.1.0a3 as of 4d ago. This is the package itself, not its dependencies.

What would make this Verified

4 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Unclaimed publisher≈ +8 on the totalClaim knitli: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  2. Access to sensitive file paths≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  3. Hidden zero-width characters detected≈ +4 on the totalKeep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
  4. Python subprocess execution detected≈ +2 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  5. MCP server using network transport (SSE/HTTP)≈ +2 on the totalNamespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
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