18 tools from the Developer Utilities MCP Server, categorised by risk level.
View the Developer Utilities policy →tool_base64_decode Decode a base64 string. 2/5 tool_base64_encode Encode a string to base64. 2/5 tool_csv_to_json Convert CSV text to a JSON array of objects. 2/5 tool_datetime_convert Convert a datetime between timezones/formats, including Unix timestamps. 2/5 tool_diff_text Compute a unified diff between two texts. 2/5 tool_hash_generate Generate hash (md5, sha256, sha512) of input text. 2/5 tool_html_to_markdown Convert HTML to Markdown. 2/5 tool_json_format Pretty-print or minify a JSON string. 2/5 tool_json_to_csv Convert a JSON array to CSV text. 2/5 tool_jwt_decode Decode a JWT payload without verification (inspection only). 2/5 tool_markdown_to_html Convert Markdown to HTML. 2/5 tool_slug_generate Generate a URL-safe slug from text. 2/5 tool_text_stats Compute text statistics: word count, char count, sentences, reading time. 2/5 tool_uuid_generate Generate a UUID (v4 or v7). 2/5 The Developer Utilities MCP server exposes 18 tools across 3 categories: Read, Write, Execute.
Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Developer Utilities server.
Developer Utilities tools are categorised as Read (2), Write (14), Execute (2). Each category has a recommended default policy.
Open source. One binary. Zero dependencies.
npx -y @policylayer/intercept