MCP, MCP server
io.github.chrischall/charlotteonthecheap-mcp
MCP server for the On the Cheap network — free and cheap events, deals and local guides across 14 US cities
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
skills/otc-curl/SKILL.md, line 30
curl -sA "$UA" "$BASE/wp-json/wp/v2/posts?sea - SECRETS_PATH_DOTENV Low
Mentions a .env file.
.mcpbignore, line 58
.env
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
skills/otc-curl/SKILL.md, line 30
curl -sA "$UA" "$BASE/wp-json/wp/v2/posts?sea
skills/otc-curl/SKILL.md, line 33
curl -sA "$UA" "$BASE/wp-json/wp/v2/posts?slug=<slug>" | jq -r '.[0].content.rendered'
skills/otc-curl/SKILL.md, line 36
curl -sA "$UA" "$BASE/wp-json/wp/v2/categories?per_page=100&orderby=count&order=desc&_fields=id,slug,count" | jq -r '.[] | "\(.id)\t\(.count)\t\(.slug)"'
Show more
skills/otc-curl/SKILL.md, line 48
EXPIRED=$(curl -sA "$UA" "$BASE/wp-json/wp/v2/categories?slug=expired&_fields=id" | jq -r '.[0].id')
skills/otc-curl/SKILL.md, line 49
curl -sA "$UA" "$BASE/wp-json/wp/v2/posts?per_page=10&categories_exclude=$EXPIRED&_fields=date,title,link"
skills/otc-curl/SKILL.md, line 63
curl -sLA "$UA" "$BASE/events/view-date/7-25-2026/"
skills/otc-curl/SKILL.md, line 66
curl -sLA "$UA" "$BASE/events/calendar/08-2026/"
skills/otc-curl/references/recipes.md, line 12
EXPIRED=$(curl -sA "$UA" "$BASE/wp-json/wp/v2/categories?slug=expired&_fields=id" | jq -r '.[0].id // empty')
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
.gitignore, line 2
dist/
.mcpbignore, line 34
CLAUDE.md
.mcpbignore, line 58
.env
Show more
.mcpbignore, line 57
# Runtime secrets
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 17551bf8779d. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 17551bf8779da9c7dffc0360bcf64e8637ab0a61
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