About Pasr
Pasr is an MCP server published by Apheironn in the RAG category.
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Install
From source
git clone https://github.com/Apheironn/pasrThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (8)
expand_contextre-run a prior selection once with a larger budget
Parameters not published.
explain_selectionreturn the stored receipt for a prior selection
Parameters not published.
find_evidencewhich lines *anywhere* bear on a question, ranked by term rarity — the only tool that bridges a question worded differently from the code
Parameters not published.
find_filesrank files by path/filename match
Parameters not published.
find_symbolswhere a symbol is **defined**, as `file:line` (Python, JS/TS, Rust)
Parameters not published.
find_usageswhere a symbol is **used**: every line, with its code and enclosing definition
Parameters not published.
select_contextbudgeted, provenance-tracked slice for a query — `outline=true` for a definitions-only index, `files=["path.rs:190-193"]` to read exactly those lines, plus `map_tokens` and `trace=`
Parameters not published.
trace_dependenciesdeterministic def/reference closure for a symbol; `direction="callers"` reverses it for impact analysis
Parameters not published.
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Releases
workflow-study-20261005Workflow study 2026-10-05 - no production promotion · 5 Oct 2026Research/data release for the frozen 2026-10-05 workflow study. Not a new PASR product version; v0.4.0 remains the latest product release and its published artifacts are unchanged. Result: no production retrieval promotion The selected…
v0.4.0PASR v0.4.0 · 5 Oct 2026PASR 0.4.0 `pasr doctor` checks a real MCP subprocess, default tool catalogue, source provenance and token budget without changing the inspected project. Temporary directories and tokenizer caches must remain outside that project; reports…
v0.3.0PASR v0.3.0 · 4 Oct 2026PASR 0.3.0: local, token-budgeted, source-traceable context for coding agents. What ships Rendered-context budget enforcement, coherent source fingerprints/line provenance, strict UTF-8/BOM/newline handling, and revision-pinned Git review…
v0.2.1PASR v0.2.1 · 7 Sep 2026Packaging and docs only — no code changes. `pip install --upgrade pasr-mcp` is optional. README renders on PyPI. Image and doc-link URLs are now absolute, so the project description shows correctly off GitHub. `pasr-mcp` sdist is…
v0.2.0PASR v0.2.0 · 7 Sep 2026First public release — a zero-setup, offline, deterministic context-broker MCP for coding and document agents. (0.1.x was the internal M0–M12 build; never published.) MCP tools (stdio) `select_context` — a budgeted, provenance-tracked…